Volcanoes Erupting All Over

[XPan]

Erta Alé, Afar triangle, Ethiopia
24 July 2025

Another Volcanic/Earthquake related article i thought was noteworthy / out of the ordinary. From German Vulkane.net

Äthiopien: Massive Erdbewegungen in der Danakil nahe Erta Alé - Vulkane Net Newsblog

Rissbildungen nach Erdbebenserie am Afdera-Salzsee in der äthiopischen Wüste Danakil, die im äthiopischen Afar-Dreieck liegt.

www.vulkane.net

Ethiopia: Massive earth movements in the Danakil near Erta Alé

Cracks form after series of earthquakes at Lake Afdera in Ethiopia's Danakil Desert

Afdera, July 24, 2025 – A major rifting process appears to be underway in Ethiopia's Afar Triangle, particularly in the Danakil Desert, largely unnoticed by the public. According to geotourism expert Enku Muguleta, there has been a series of earthquakes in the vicinity of the Afdera Salt Lake in recent days, resulting in several sinkholes and long fissures. The earthquakes were not recorded by the known earthquake services because there is no seismic network in the area.




According to Enku, the events occurred on July 22, 2025, at around 4:00 p.m.

Photos taken by local Afar residents show narrow, sometimes deep openings in the dry, sandy terrain. Their morphology corresponds to typical stress cracks or smaller collapse structures, such as those that can occur after strong tremors in unstable geological zones. The depth visible in the image indicates a significant opening that may be part of a long crack.

The Afdera Salt Lake is located at the southeastern end of the Erta Alé volcanic chain, which consists of a series of shallow shield volcanoes, at the center of which is the caldera of the volcano that gives the volcanic chain its name. Just last week, a significant event occurred at the Erta Alé Volcano, where two pit craters formed as a result of a fissure eruption on the southeastern flank of the volcano. They were mainly caused by the collapse of the fillings of earlier craters when the magma level in the reservoir beneath the volcano dropped as a result of the eruption.

South of the eruption fissure with its lava flow, there were indications that lava was flowing in an existing lava tube towards the neighbouring volcano Hayli Gubbi. At that point, I already speculated that a rift might have formed in which the lava was flowing. The volcanoes in the volcanic chain are all located on a line that ends at Lake Afdera, just under 50 kilometers away, where the new cracks opened up two days ago. In my opinion, we could be witnessing a major rifting episode stretching from the Erta Ale complex to Afdera. The satellite photo shows that there is a large lava field south of Hayli Gubbi. At that time, the lava stopped a few kilometers before the salt lake. It cannot be ruled out that a similar eruption will occur again in the near future.

It remains unclear whether there is a direct connection to the strong swarm of earthquakes that occurred in the Awash region in the spring. At that time, the earthquakes were caused by a magmatic intrusion and a rifting episode. The two areas are 500 kilometers apart. In addition, the direction in which the fault zones run is changing. The intersection point of the fault systems is in the area of Lake Abee. Therefore, I do not believe that this is a rift formation along a fault zone. However, the events of recent months suggest that the entire region has entered a phase of extraordinary tectonic activity and that further special (and also dangerous) events could occur in the near future.

END OF ARTICLE

 

[XPan]

Paricutín, Mexico
25 July 2025

Not a name you hear every day... Yet, it is one of earth's youngest volcanoes (from year 1943). You may remember about the storyof a farmer who worked in his field and saw the very birth of a volcano; a crack sprung open in the soil, starting to spew smoke. Within just a one week, it had created a 130 meter high cone. It then buried a whole village nearby, from which a church still stands out from the lava field (images & story in the end)

The article from Vulkane.net here as follow:

Paricutín: Schwarmbeben infolge von Magmenintrusion - Vulkane Net Newsblog

Magmenintrusion im Michoacán-Guanajuato-Vulkanfeld nahe Paricutín verursacht Schwarmbeben

www.vulkane.net

Paricutín: Swarm earthquakes caused by magma intrusion

Magma intrusion in the Michoacán-Guanajuato volcanic field near Paricutín causes swarm earthquakes

Urapan, July 25, 2025 – Since June 17, the Michoacán-Guanajuato volcanic field in Mexico has been shaken by a strong swarm of earthquakes, resulting in nearly 1,000 tremors. A good 140 of these had magnitudes between 3.0 and 4.2. The depths of the hypocenters varied over a wide range: while the deepest tremors were located at a depth of 25 kilometers, the shallowest were detected at a depth of just 1 kilometer below sea level.


Earthquakes M 3.0 and above. © EMSC

The epicenters of the quakes extended along a southeast-northwest line through Pico Tancitaro, an extinct volcano composed of andesite and dacite that last erupted a good 240,000 years ago. A few kilometers northwest and at the end of the region affected by the earthquakes is the young cinder cone Paricutín, which was formed in 1944. [It was actually 1943. Wiki: The volcano surged suddenly from the cornfield of local farmer Dionisio Pulido in 1943]

Shortly after the swarm began, geoscientists from UNAM and the National Seismological Service (SSN) were on site to take measurements and hold a press conference. They explained the events and said there were no signs of a volcanic eruption, but emphasized that the earthquakes could be caused by magma intrusion. At that time, no ground deformation, steam emissions, or increased heat flow were recorded.

This assessment is also shared by the civil protection authority of the state of Michoacán. On July 12, it stated that there are currently no indications of a new volcano forming in the region.

Amuravi Ramírez Cisneros, head of civil protection coordination for the state of Michoacán, reported that monitoring is being carried out in conjunction with the Cenapred disaster control center, the SSN, the UNAM, and the UMSNH. Seismological and geodetic measurement systems are being used for this purpose.



Paricutin from the air

Michoacán-Guanajuato volcanic field characterized by monogenetic cinder cones

The Michoacán-Guanajuato volcanic field around Paricutín is located in western Mexico. It is one of the youngest and most active monogenetic volcanic fields on Earth. This means that each cinder cone in the field erupts only once before becoming extinct. It is therefore unlikely that Paricutín will erupt again. However, further cinder cones could form in the surrounding area. A magmatic intrusion could ultimately lead to an eruption.

The volcanic field not only contains cinder cones, but also other volcanic structures such as lava domes (which are often monogenetic) and larger volcanoes such as Pico Tancitaro, which is classified as extinct. The fact that there is now a magma intrusion there does not necessarily mean that the volcano itself will erupt again. Nevertheless, magma could rise here too and create a new cinder cone.

It is interesting to note that volcanic structures of very different types of lava coexist in the Michoacán-Guanajuato volcanic field: the older remnants of volcanic activity, the extinct stratovolcano and the lava domes consist of acidic lava, while the younger cinder cones are composed of basic lava. This implies cyclical activity during which the magma matures and undergoes transformations in large storage systems over long periods of time.

END OF ARTICLE

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Paricutin Volcano had appeared as a crack in a farmer’s field only two months before this April 1943 photo. Michoacán, Mexico.
Arno Brehme, field work photographs. Smithsonian Field Book Project.



This is such a beautiful photo !!

From Wikipedia

Parícutin erupted from 1943 to 1952
unusually long for this type of volcano, and with several eruptive phases. For weeks prior, residents of the area reported hearing noises similar to thunder but without clouds in the sky. This sound is consistent with deep earthquakes caused by the movement of magma. A later study indicated that the eruption was preceded by 21 earthquakes over 3.2 in intensity starting five weeks before the eruption. One week prior to the eruption, newspapers reported 25–30 per day. The day before the eruption, the number was estimated at 300.

The eruption began on February 20, 1943
at about 4:00 pm local time. The center of the activity was a cornfield owned by Dionisio Pulido, near the town of Parícutin. During that day, he and his family had been working their land, clearing it to prepare for spring planting.

Suddenly the ground nearby swelled upward and formed a fissure between 2 and 2.5 meters across. They reported that they heard hissing sounds, and saw smoke which smelled like rotten eggs, indicating the presence of hydrogen sulfide. Within hours, the fissure would develop into a small crater.

Pulido reported:

At 4 p.m., I left my wife to set fire to a pile of branches when I noticed that a crack, which was situated on one of the knolls of my farm, had opened and I saw that it was a kind of fissure that had a depth of only half a meter.

I set about to ignite the branches again when I felt a thunder, the trees trembled, and I turned to speak to Paula; and it was then I saw how, in the hole, the ground swelled and raised itself 2 or 2.5 meters high, and a kind of smoke or fine dust – grey, like ashes – began to rise up in a portion of the crack that I had not previously seen . . .

Immediately more smoke began to rise with a hiss or whistle, loud and continuous; and there was a smell of sulfur.

He tried to find his family and oxen but they had disappeared; so he rode his horse to town where he found his family and friends, happy to see him alive. The volcano grew fast and furiously after this. Celedonio Gutierrez, who witnessed the eruption on the first night, reported:

…when night began to fall, we heard noises like the surge of the sea, and red flames of fire rose into the darkened sky, some rising 800 meters or more into the air, that burst like golden marigolds, and a rain like fireworks fell to the ground.

On that first day, the volcano had begun strombolian pyroclastic activity; and within 24 hours there was a scoria cone fifty meters high, created by the ejection of lapilli fragments up to the size of a walnut and larger, semi-molten volcanic bombs. By the end of the week, reports held that the cone was between 100 and 150 meters high.

 

[XPan]

Erta Alé, Ethiopia
25 July 2025

More dramatic changes reported from the Ethiopian Erta Alé volcano.

Erta Alé: Nordkrater gewaltig abgesackt - Vulkane Net Newsblog

Der Nordkrater am Erta Alé ist weiter kollabiert - Es sit ein riesiger Pit-Krater entstanden, der das Potenzial hat einen neuen Lavasee hervorzubringen.

www.vulkane.net

Erta Alé: Northern crater collapses dramatically


The new pit crater in the north of the Erta Alé caldera. © Seifegebreil Shifferaw

North crater at Erta Alé continues to collapse – huge pit formed

Mekele, July 25, 2025 – The true extent of the events that have been unfolding at the remote Erta Alé volcano since mid-July is gradually becoming clear. New images from the northern end of the caldera show that a huge pit crater several hundred meters deep has formed. The crater was created as a result of collapse events when the magma reservoir beneath the volcano drained southward. This probably created an approximately 40-kilometer-long magmatic dike and a rift.

I know the north crater in the Erta Alé caldera as a slight depression, the edge of which dropped steeply by about 15 meters in 2002. Over the past few years, the depression has filled up with repeated lava flow eruptions, even creating a bulge. The crater that has now formed is likely to have returned to the dimensions it had at the beginning of the volcano's last cycle. As the volcano guides who took the photographs moved away from the volcano, they saw ash clouds rising again, indicating further collapse events. This is a sign that the crater formation and thus also the underground flow of magma may not yet be over. It cannot be ruled out that lava could escape at the end of the passage near the Afdera Salt Lake, where there is also a settlement.

5.6K views · 22 reactions | Seifegebreil Shifferaw on Reels

www.facebook.com

The south crater has also collapsed in recent days. Judging by satellite photos, it has returned to the size it was when I first visited. It is quite possible that a lava lake will form again in one or both pit craters. For tourists, direct contact with the lava is thus once again a distant prospect: most recently, several hornitos were on the move, which had formed on the fillings or lids of the craters and were brimming with lava.

If the collapse events continue, the two craters, which are close to each other, could merge. In this case, one could already speak of a caldera formation. But even so, this is not an everyday occurrence.

END OF ARTICLE

 

[mabar]

https://twitter.com/x/status/1951799860551643259

 

[youlik]

Here is what they write in Russia about the aforementioned eruption.

For the first time in 500 years: Krasheninnikov volcano wakes up in Kamchatka

Artem Igorevich Sheldovitsky, guide of the Snow Valley, The
first eruption of the Krasheninnikov volcano in Kamchatka in the last 500 years was captured on video, the corresponding footage was published by the press service of the Kronotsky Nature Reserve located in the eastern part of the peninsula. The ash, which is ejected to a height of up to six kilometers, covered part of the natural park. The reserve noted that the volcano does not pose a danger to human settlements.

Since its surroundings are volcanic wastelands, cinder and lava fields without dense vegetation, there is currently no threat of a natural fire. There is also no threat to the life of the reserve's employees, infrastructure and settlements," the report says.
Earlier, the Kamchatka Volcanic Eruption Response Group (KVERT) reported on the first ever observed eruption of the Krasheninnikov volcano. The organization noted that it was recorded on the night of Sunday, August 3, at 04:50 Kamchatka time (August 2, 19:50 Moscow time). The last eruption of this volcano occurred approximately 468 years ago.

Spoiler

Вот что пишут у нас в России о вышеупомянутом извержении.

 

[youlik]

Activity in Kamchatka continues.

Mutnovsky volcano has become active in Kamchatka
A thermal anomaly was recorded at Mutnovsky volcano in Kamchatka

ULAN-UDE, Aug 4 - RIA Novosti. A thermal anomaly was recorded on the Mutnovsky volcano in Kamchatka, which indicates increased internal activity, the Kamchatka branch of the Unified Geophysical Service of the Russian Academy of Sciences reported.
"Volcanologists of Kamchatka are sounding the alarm: a thermal anomaly has been recorded on the Mutnovsky volcano. This phenomenon, indicating increased internal activity, led to the assignment of a yellow danger code to the volcano," the report says.

Scientist: the activation of volcanoes in Kamchatka is connected with the last earthquake

It is noted that due to the continuous flow of aftershocks, accurate seismic monitoring of the Mutnovsky volcano itself and an accurate forecast of its eruptions are not possible. Visiting this volcano is extremely dangerous and is strongly discouraged, experts stressed.
Volcanoes have been active in Kamchatka since the strongest earthquake on July 30. The Avachinsky volcano was the first to activate - combined-cycle gas emissions with a small amount of ash up to 300 meters occurred, then Klyuchevsky reacted - an ash column up to 6 kilometers formed, red-hot lava began to descend, on Sunday the Krasheninnikov volcano became active, which had been silent since about 1400 - the eruption began from the summit crater, a crack opened on the volcano.
At the end of July, Kamchatka experienced the strongest earthquake since 1952 with a magnitude of 8.8. Tremors of up to eight magnitude were felt in the northern Kuril Islands. A tsunami threat was declared in Kamchatka and in the North Kuril region, which also had an emergency regime. Four tsunami waves partially damaged the port infrastructure and other facilities. Later, sea and helicopter services and the operation of the local port resumed in Severo-Kurilsk.

Spoiler: Russian spelling

Активность на Камчатке продолжается.

 

[mabar]

Klyuchevskoy Volcano yesterday evening ( Kamchatka is GMT +12hrs).Several volcanoes are active on the Kamchatka peninsular right now, something not seen since 1737. There’s a thermal anomaly at Mutnovsky, Krasheninnikov is erupting, and Klyuchevskoy is especially intense, with lava flows that could threaten the Petropavlovsk–Ust-Kamchatsk highway and even melt the Bogdanovich Glacier.Credit: Kamchatka Branch of the Geophysical Survey RAS (KBGSRAS)

https://twitter.com/x/status/1952482480386183454

 

[XPan]

Etna, Sicily - Italy
20 Aug 2025

Mama Etna has been effusive active for quite some time, with lava flowing down on the southern side (See larger photo,), which also was/is visible from the town of Nicolosi, where my husband earlier lived (at 810 m height, right at the double cone of Monti Rossi. Nicolosi is the last town you meet when you drive up by car to Etna Sapienza at 1900 meter. I only saw once an period of (effusive) eruption at Etna (which was awesome to observe !!) back in March/April 2017. Despite having visited Sicily 31 times within 2014-2019, i never encountered any of the other amazing paroxysms during that time period.

The photo below taken the other night by Valentina Carani, reminds me very much of April 2017**, as the lava flows followed a similar path.


View towards Etna 18-19 Aug 2025 seen from (I assume somewhere in the Nicolosi region, on the southern side) by Valentina Carani


So, now a third vent has opened, reported by Vulkane.net as follow:

Ätna: weiterer Effusivschlot öffnete sich - Vulkane Net Newsblog

Zweiter Schlot öffnete sich am Ätna auf 3100 m Höhe – Lavaspattering speist Lavastrom

www.vulkane.net

Second vent opened on Mount Etna at an altitude of 3,100 m – lava spatter feeds lava flow

Activity on Mount Etna is not only continuing, but has increased significantly: in addition to the well-known effusive vent at an altitude of 2980 m, another vent has opened up. It is located at an altitude of 3100 m in the saddle between Bocca Nuova and the southeast crater cone. Its activity is characterized by intense lava spattering and the formation of a short lava flow.



Lava spattering on Mount Etna
The lava spattering is already causing a small cinder cone to grow, which could also develop into a hornito. Photos show intense spattering activity, with lava flowing from the vent and gas bubbles creating splashes.

As reported by the INGV, the lava flow flowing from the lower vent also remains active. Its lava front has fallen below the 2300 m contour line and is moving near the Grotta degli Archi, splitting into three arms in the lower section. Parts of the new lava field have collapsed and should not be entered under any circumstances.

Increased activity
In addition, not only has effusive activity increased, but so have Strombolian explosions, which are occurring much more frequently than was the case just a few days ago. This is accompanied by repeated phases of increased activity, which is also reflected in an accumulation of infrasound signals.

Tremor has also increased significantly in recent days and is now constantly in the red range. The tremor sources are mainly registered below the southeast crater and are located at an altitude of around 3000 m, i.e. roughly below the base of the cone.

Since the beginning of the predominantly effusive eruption, the DRUV dilatometric station has recorded a total fluctuation in decompression of around 10 nano-strain.

It is difficult to make predictions about the further course of activity on Etna. The eruption is similar to the events in spring, when effusive activity continued for weeks and culminated in a paroxysmal eruption, which then also ended the lava flow activity.

END OF ARTICLE

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A photo I took from our balcony on 5 April 2017, seen from Upper Nicolosi / Monti Rossi area, Sicily

 

[XPan]

Etna, Sicily - Italy
21 Aug 2025

Regarding the ongoing eruption, my husband found a few nice photos on Facebook from people he follows... I thought i could show them to you here, since some of them are really beautiful. The lava flow appears to have reached a relatively low altitude, though I don't have any specific numbers. The last I heard is, the lava flow had reached a level of 2,400 meters, but that was several days ago.

 

[Yupo]

Not quite erupting, but maybe soon is the large caldera under Naples:

 

[Ca.]

https://twitter.com/x/status/1961352033417470361

August 28, 2025, Grenada
Kick 'em Jenny Underwater Volcano
Another underwater volcano in the Caribbean Sea is becoming active.

According to the Grenada national NaDMA bulletin, more than 800 earthquakes with magnitudes ranging from M 2.2 - 2.4 have occurred in the Kick 'em Jenny Underwater Volcano region in the last 12 hours.

Mount Etna Sicily

https://twitter.com/x/status/1961442780871377010

https://twitter.com/x/status/1961534358050746439

Currently erupting:​

Bagana (Bougainville Island, Papua New Guinea): Volcanic Ash Advisory (updated 31 Jan 2025)
Barren Island (Indian Ocean): Smithsonian / USGS Weekly Volcanic Activity Report (updated 30 Mar 2024)
Bezymianny (Kamchatka): Smithsonian Daily Volcanic Activity Report (updated 25 Apr 2025)
Bulusan (Luzon Island, Philippines): Smithsonian / USGS Weekly Volcanic Activity Report (updated 29 Apr 2025)
Canlaon (Central Philippines): Smithsonian / USGS Weekly Volcanic Activity Report (updated 13 May 2025)
Copahue (Chile/Argentina): Volcanic Ash Advisory (updated 21 Oct 2024)
Dukono (Halmahera): Volcanic Ash Advisory (updated 27 Jun 2025)
Ebeko (Paramushir Island): Smithsonian / USGS Weekly Volcanic Activity Report (updated 18 Jul 2024)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Danakil depression, Ethiopia): dramatic changes to both pit craters (updated 7 Aug 2025)
Etna (Sicily, Italy): multiple lava flows from flank vent continue (updated 2 Jun 2025)
Fuego (Guatemala): Volcanic Ash Advisory (updated 6 Jun 2025)
Home Reef (Tonga Islands): Smithsonian / USGS Weekly Volcanic Activity Report (updated 18 Mar 2025)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory (updated 4 Feb 2025)
Iwo-jima (Volcano Islands): new submarine eruption (updated 21 Jul 2024)
Karymsky (Kamchatka): Smithsonian Daily Volcanic Activity Report (updated 1 Sep 2024)
Kirishima (Kyushu): Smithsonian Daily Volcanic Activity Report (updated 7 Jul 2025)
Klyuchevskoy (Kamchatka): Smithsonian Daily Volcanic Activity Report (updated 19 Aug 2025)
Krakatau (Sunda Strait, Indonesia): Smithsonian / USGS Weekly Volcanic Activity Report (updated 14 Dec 2023)
Krasheninnikov (Kamchatka, Russia): Smithsonian Daily Volcanic Activity Report (updated 8 Aug 2025)
Lewotobi (Flores): Volcanic Ash Advisory (updated 2 Aug 2025)
Lewotolo (Lesser Sunda Islands): Volcanic Ash Advisory (updated 17 Jun 2025)
Marapi (Western Sumatra, Indonesia): Volcanic Ash Advisory (updated 24 Jul 2025)
Masaya (Nicaragua): Smithsonian / USGS Weekly Volcanic Activity Report (updated 24 Oct 2019)
Merapi (Central Java, Indonesia): Smithsonian Daily Volcanic Activity Report (updated 30 Jan 2025)
Michael (South Sandwich Islands, UK): activity resumes; a thermal anomaly in the summit crater (updated 26 Oct 2023)
Nyamuragira (DRCongo): Smithsonian / USGS Weekly Volcanic Activity Report (updated 28 Jul 2025)
Nyiragongo (DRCongo): Smithsonian / USGS Weekly Volcanic Activity Report (updated 17 Apr 2024)
Poas (Costa Rica): Smithsonian / USGS Weekly Volcanic Activity Report (updated 25 Apr 2025)
Popocatépetl (Central Mexico): Volcanic Ash Advisory (updated 19 May 2025)
Reventador (Ecuador): Volcanic Ash Advisory (updated 24 Apr 2025)
Sabancaya (Peru): Smithsonian Daily Volcanic Activity Report (updated 14 Feb 2023)
Sakurajima (Kyushu, Japan): Smithsonian Daily Volcanic Activity Report (updated 2 Jun 2025)
Sangay (Ecuador): Volcanic Ash Advisory (updated 9 Jul 2024)
Santiaguito (Guatemala): Volcanic Ash Advisory (updated 23 Oct 2024)
Semeru (East Java, Indonesia): Volcanic Ash Advisory (updated 9 Jul 2025)
Shiveluch (Kamchatka): Smithsonian Daily Volcanic Activity Report (updated 3 Jan 2025)
Stromboli (Eolian Islands, Italy): Smithsonian / USGS Weekly Volcanic Activity Report (updated 10 Feb 2025)
Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory (updated 12 Jan 2024)
Svartsengi (Reykjanes peninsula, SW Iceland): Smithsonian / USGS Weekly Volcanic Activity Report (updated 16 Jul 2025)
Tinakula (Santa Cruz Islands, Solomon Islands): eruption continues with lava flows from summit vent (updated 22 Mar 2024)
Yasur (Tanna Island, Vanuatu): Smithsonian / USGS Weekly Volcanic Activity Report (updated 12 Oct 2023)

https://twitter.com/x/status/1961473950224994434

 

[XPan]

Campi Flegrei, Pozzuoli - Italy
2 Sep 2025

I'll have a whole bunch of volcanic news - so this article from Vulkane.net is the first of many. The unsettled area of Pozzuoli near the Solfatara volcano where the warning signs appear to come in an increasingly rapid stream.

Campi Flegrei: Meldung weiterer Erdbeben und Lageeinschätzung - Vulkane Net Newsblog

Ein weiterer spürbarer Erdstoß erschütterte Calderavulkan Campi Flegrei - Lageeinschätzung des INGV-Direktors

www.vulkane.net

Pisciarelli in the Campi Flegrei.

Campi Flegrei: Report of further earthquakes and assessment of the situation
Another noticeable tremor shook the Campi Flegrei caldera volcano – situation assessment by the INGV director

Yesterday afternoon, the swarm of earthquakes that had already begun on Sunday evening continued, producing another earthquake measuring 3.3 on the Richter scale, which was clearly felt by residents of the region. Unlike the previous quakes with noticeable magnitudes, it was not located in the immediate vicinity of the coast, but northeast of the Solfatara crater in the immediate vicinity of the Pisciarelli thermal area with its famous fumarole.


Epicenters of the earthquakes. © INGV

The even stronger earthquake, measuring 4.0 on the Richter scale, which occurred during the night, caused a rockslide on the coastal road Via Napoli, resulting in the evacuation of a house where six families lived. Other houses were inspected for possible structural damage.

As always in times of strong swarm activity, there is great excitement in the region, which is being carried on social media, and the mainstream media is also running hot. The online newspaper Fanpage published an interview with INGV director Professor Giuseppe De Natale, who emphasized that he was speaking as a scientist and not as director of the institute.

He believes that the current earthquake swarm does not represent any change in the status of the Campi Flegrei, but is related to the increase in pressure in the Campi Flegrei hydrothermal system that has been ongoing for years. Earthquakes and ground uplift are symptoms of the continuous increase in pressure. The pressure in the system, as well as the ground uplift and the strength of the earthquakes, are now reaching their highest levels since the last eruption in 1538. The ground uplift is a good half meter higher than during the last bradyseism phase, and there is no end in sight to the activity.

De Natale expects earthquake magnitudes to increase further and believes it is possible that there will soon be earthquakes with a magnitude of 5.0, which will cause further damage to infrastructure. The geophysics professor emphasizes that an increase in seismicity has been predicted since 2017, but it is still not possible to predict when stronger earthquakes will occur. De Natale did not comment on a possible volcanic eruption.

Looking at the eruption history of Campi Flegrei
it quickly becomes clear that although the smaller post-caldera eruptions do not follow a specific pattern, there have been repeated cluster events. During phases of increased volcanic activity, which lasted several centuries and even millennia, eruptions occurred comparatively frequently. Nevertheless, several centuries could pass between these eruptions.

The last 3,000 years, on the other hand, have been comparatively quiet, with only two documented eruptions: the phreatic eruption in Solfatara in 1198 and the formation of Monte Nuovo in 1538. In my opinion, the long intervals between the earlier eruptions illustrate that the so-called bradyseism is ultimately nothing more than the heating up of the volcano, and the phases can ultimately culminate in an eruption. Sooner or later, disaster strikes.

END OF ARTICLE

 

[XPan]

Pico de Teide, Tenerife - Spain
2 Sep 2025

Teneriffa: Update zum Schwarmbeben am Pico del Teide - Vulkane Net Newsblog

Pico del Teide auf Teneriffa wurde von mehr als 100 Beben erschüttert - 49 Erschütterungen konnten lokalisiert werden

www.vulkane.net

Update on the swarm of earthquakes at Pico del Teide
Pico del Teide on Tenerife was shaken by more than 100 earthquakes – 49 tremors were localized

The popular Canary Island vacation destination of Tenerife is dominated by the 3,715-meter-high Teide volcano, from whose Las Cañadas caldera Pico del Teide rises. The last volcanic eruption within the caldera occurred in 1789 on the flank of Pico Viejo.

In 1909, the Chinyero cinder cone formed on the northern flank of Teide.

The volcano has been dormant ever since, and there are no living eyewitnesses to the last eruption. Accordingly, another eruption seems a long way off, but in recent years there have been increasing signs that Teide could be awakening from its slumber. Therefore, any movements of Teide are receiving particular attention, and the responsible observatory, INVOLCAN, whose scientists are monitoring the volcano's pulse, published an update today with detailed analyses of the swarm earthquake of August 30, 2025, which I reported on at the time.




New analysis of the swarm earthquake data
Between 5:14 p.m. and 6:26 p.m. (Canary Islands time), the Canary Islands seismic network recorded over 100 weak earthquakes, 49 of which have now been precisely located and entered into a shakemap. They all occurred beneath the Teide-Pico Viejo complex and had focal depths of between 4 and 7 kilometers. The strongest event reached a magnitude of 1.2 and was not felt by the population.

Initial reports of the event mentioned more than 90 tremors. Further weak tremors were therefore detected in the seismogram.

These were volcano-tectonic earthquakes, which occur when rock breaks due to the pressure of hot magmatic fluids inside the volcano. VT earthquakes often occur in swarms and are close together in terms of time and space. Such seismic phases are typical for active volcanoes: more than 120 earthquake swarms have been documented on Tenerife since 2017.

The latest swarm is also likely to be related to the intrusion of magmatic fluids into the island's hydrothermal system. Additional observations provide evidence of this, such as a significant increase in CO₂ emissions in the Teide crater and a slight uplift of the ground northeast of the summit, which has been detectable since 2024.

The volcanologists at INVOLCAN expressly point out that there are currently no signs of an imminent volcanic eruption at Pico del Teide in the short or medium term. However, the seismic activity indicates that an eruption could develop in the long term. In a volcanological context, long term means that developments could take place over months, years, or even decades.

Incidentally, an exercise simulating a volcanic eruption is to be held for the first time in Tenerife on September 26. Perhaps there are fears that the long term could turn out to be more like the medium term. More on this later.

END OF ARTICLE

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March/April 2014
personal & photography

Since I went up there, into the caldera of Pico de Teide back on 30 March 2014 - staying at a hotel that is located within the vast caldera near the peak of Pico de Teide - I made so called "light paintings" in them middle of the (2-3°C cold) night. So, i thought I show you some photos from that time. I only went there a couple days, just to experience another volcano - and to take back my professional camera from my ex-husband, who sort of fled to Tenerife in Sep 2013, and had quietly (from the start) started a new relationship - without saying a tone while011 keeping appearances of a marriage. Cute.

Well, i divorced him. Quietly, suddenly. And then officially. What comes around, goes around.

Standing within the caldera of Teide, was absolutely amazing. I felt (visually) like being in a toy store. The vastness of many thick ropy lava flows through time, the steep and very high cliffs of the caldera rim, and the mighty Teide itself... Not to mention the deep dark sky will many start. Oh oooh, it was absolutely beautiful to explore. Nobody was out at night... expect me with a tripod and camera, doing silly stuff with lights. Later a cold front came along, with fierce winds, and i went back home to Stockholm with a cold.

But boy, it was worth it. I loved it with every fibre of my being.





After sunset. No filters where used.



The steep walls of the caldera



Towards Teide in the background, after sunset



Discreet light painting to "lift out" the pillar against the milky way night sky.



The emergence of a cold front at +2-3°C, inducing fierce winds here at 2100 meter height



Here the winds where so strong, that i thought i would only get blurry/shaky image - but the heavy tripod held steady



It is now 06.00 local time in the morning as dawn is about to begin



Low clouds now shroud the landscape with its mountain tops



Photo of Teide in the afternoon, while waiting for the buss that takes me back to Santa Cruz de Tenerife



Driving through the caldera by buss, showing a bizarre fascinating landscape of twisted lava flows from the past. I believe the diameter of the caldera is somewhere 9 km across.



Map of the caldera

 

[XPan]

Campi Flegrei, Pozzuoli - Italy
1 Sep 2025

Campi Flegrei: Erdbeben Md 4,0 südlich der Solfatara - Vulkane Net Newsblog

Ein mittelstarkes Erdbeben Md 4,0 erschütterte Campi Flegrei - Epizentrum am Südrand der Solfatara.

www.vulkane.net

Via Giacomo Matteotti runs directly toward Monte Olibano in the background. The edge of Solfatara rises to the left of it. © Marc Szeglat

PS: I put personal titles in the photo because we visited that place very often in 2011-13, as my 2nd husbands sister with family lived there / NATO related. The earthquakes epicenter was located a bit above the house we used to visit (the epicentre's coordinates were located just a little bit higher up the steep cliff / winding street).

Campi Flegrei: Earthquake measuring 4.0 south of Solfatara
A moderate earthquake measuring 4.0 shook Campi Flegrei – epicenter on the southern edge of Solfatara

Date: September 1, 2025 | Time: 02:55:45 UTC | Coordinates: 40.8230, 14.1372 | Depth: 2 km | Magnitude 4.0

The swarm of earthquakes that began yesterday at 2:09 p.m. continues today and has produced another earthquake classified as moderate, with a magnitude of 4.0, ranking it among the top 10 strongest earthquakes of the bradyseismic crisis that began in 2005. The Md 4.0 tremor occurred in the early hours of the morning at 04:55:45 CEST (02:55:45 UTC) on Via Solfatara between the Air Force Academy and the entrance to Solfatara. The depth of the earthquake's epicenter was initially reported as 700 m, but has since been corrected to 2000 m.



Earthquake Md 4.0. © INGV

The swarm consists of almost 100 individual tremors.
Yesterday (as reported), two earthquakes with a magnitude of 3.3 occurred slightly further south along Via Napoli on the coast. The earthquake zone surrounds the ancient lava dome Monte Olibano, on which the old air force academy was built and through which a railway tunnel runs. Monte Olibano was formed during an eruption some 4000 years ago. Gravity measurements detected an anomaly beneath the volcanic hill, which may be caused by a hot magma body.

Due to the ongoing seismic activity, train services on several railway lines have been temporarily suspended. This mainly affects routes that pass through the Monte Olibano railway tunnel. The tunnel has been closed several times and has been damaged by the earthquakes. In addition, the municipality of Pozzuoli sent emergency services to check the region's infrastructure for damage. A meeting of the crisis management team has been convened.

Although no major damage has been reported so far, residents living near the caldera volcano are concerned. Many of the earthquakes were clearly felt, and people are surprised that the epicenters of the stronger quakes are shallower than has been the case so far. This is fueling concerns about rising fluids and the generation of phreatic explosions. Should such steam explosions occur, they are likely to take place in the Solfatara area or on its outer edge near Pisciarelli. However, at least in theory, it cannot be ruled out that explosions could occur anywhere in the areas affected by earthquakes and ground uplift.

Update: It has now been reported that damage did occur to a house on Via Napoli near the epicenter. In addition, a rockfall occurred on the tuff cliff of Monte Olibano behind the house. Six families had to be evacuated.

END OF ARTICLE

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Nov 2012

The view from the house where my ex-husbands sister's family lived, located ⅓ of the height of Monte Olibano, giving a fascinating outlook over the entire Bay of Pozzuoli - which in essence is the submerged caldera of the Campi Flegrei. Monte Olibano itself, (not in the photo of course) is an old volcanic plug, created somewhere 4000 years ago. It now appears to be the very center of volcanic earthquakes at Campi Flegrei. Kind of strange to think, that we once stood there many times, sort of "lived" there...


Bay of Pozzuoli seen from Monte Olibano



Telephoto view towards the Old town of Pozzuoli, together with the lovely Lungo Mare walkway. It is an enchanting place, and way more relaxed than Napoli city. The houses however are brittle while now since a couple of years exposed to the power of volcanic earthquakes and the vast ground uplifts.





The Bay with Pozzuoli town at night, in Nov 2012



June 2012 • Now i found a photo showing Monte Olibano, with it's steep cliffs. Walking up to the house, was always a tough chore. It doesn't look like it - but the steets are both narrow winding up the hill, and steep.

 

[XPan]

Campi Flegrei, Pozzuoli - Italy
31 Aug 2025

Campi Flegrei: Intensiver Erdbebenschwarm am 31. August - Vulkane Net Newsblog

Starkes Schwarmbeben trifft erneut Campi Flegrei - stärkste Einzelerschütterungen Md 3,3

www.vulkane.net

Strong swarm of earthquakes strikes Campi Flegrei again – strongest individual tremors measure 3.3

Since this afternoon, the Campi Flegrei caldera in southern Italy has once again been shaken by an intense swarm of earthquakes, consisting of almost 30 individual tremors so far. The quakes began at around 14:09 UTC. The two strongest quakes had a magnitude of 3.3 and a focal depth of only 1800 m and 700 m. This is unusually shallow for noticeable earthquakes, which are usually accompanied by rock fractures. Cracks are spreading further and further towards the surface.



Swarm earthquakes. © INGV
[Notice: these maps usually show all the earthquakes since 1 Jan / accumulating until 31 Dec. The RED ones, are the most recent ones ]


The epicenters of both earthquakes
were located on the coastal road Via Napoli, just before the entrance to Pozzuoli. Here, there are not only fish restaurants, but also a crumbling steep cliff that could react to stronger earthquakes with rockfalls and landslides. The quakes also occurred not far from Solfatara and the Rione Terra area, where the center of the ground uplift is located. Most of the weaker tremors were scattered around the two epicenters of the stronger quakes.

The municipality of Pozzuoli reacted promptly and issued a warning about the earthquake swarm, urging the population to check their apartments and houses for damage and report it immediately. Usually, emergency services are also deployed to inspect the infrastructure.

In recent days, there has been a significant increase in seismic activity and there is a high risk of even stronger earthquakes occurring in the coming days: seismic activity is increasing in phases, with the intervals between the stronger earthquakes becoming shorter and shorter. During the quieter phases, there are always voices that say (or hope) that the peak of activity has passed – I don't think that will happen so quickly. It is highly likely that the uplift process will continue until an eruption occurs. However, it could still be decades before that happens. The uplift phase has already lasted 20 years. The uplift phase before the Monte Nuovo eruption is said to have lasted 70 years, but that doesn't mean it will take just as long this time.

END OF ARTICLE