Volcanoes Erupting All Over


The #Popocatépetl is mesmerizing to me. I have been looking at it since I was a child, that is why I know that its crater is getting bigger, its fumaroles are thicker and longer and its ash more odorous and scratchy 🗻Images from #AHORA in the Cabrera nurseries in #Atlixco #Puebla #México 🇲🇽

Suwanose-jima (Ryukyu Islands): (22 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20241222/0533Z FL040 EXTD S OBS VA DTG:22/0530Z

Ibu (Halmahera, Indonesia): (22 Dec) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 .
The full report is as follows: VA TO FL060 REPORTED AT 22/0715Z MOV NE EST VA DTG:22/0720Z to 6000 ft (1800 m)

Lewotobi (Flores): (22 Dec) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: DISCRETE VA TO FL090 REPORTED AT 22/0114Z MOV NW

Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 10 kts in NE direction.
The full report is as follows: VONA STATES ERUPTION TO UNKNOWN HEIGHT AT 22/1035Z to 14000 ft (4300 m)

Home Reef (Tonga Islands): (22 Dec) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 and is moving at 05 kts in SE direction.
The full report is as follows: ERUPTION AT 20241222/0209Z SMALL ONGOING LOW LEVEL ERUPTION REPORTED to 5000 ft (1500 m)

Popocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS ONGOING

Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: OCNL VA EMS to 13000 ft (4000 m)

Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 5 kts in N direction.
The full report is as follows: VA MOVG N to 16000 ft (4900 m)

Nevado del Ruiz (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: RCNT VONA RPRT to 20000 ft (6100 m)

Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 20 kts in SW direction.
The full report is as follows: CONT VA EMS to 20000 ft (6100 m)

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 10 kts in W direction.
The full report is as follows: WEAK EMISSION to 20000 ft (6100 m)
 
Kilauea, Hawai'i
24 Dec 2024

An unexpected eruption at Kilauea volcano. German Vulkane.net wrote an article about the event


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An eruption began at Kilauea - Christmas eruption takes us by surprise

This afternoon, a new volcanic eruption began at Kilauea in Hawaii. The eruption started rather surprisingly at 2:20 am HST (13:20 UTC) and flooded the floor of the Halemaʻumaʻu crater with lava within minutes.

kilauea03.jpg

The start of the eruption could be followed via livestream: Outside the right edge of the image and thus in the west of the crater, an eruption fissure opened up, which quickly entered the camera's field of view and spread across a large part of the crater floor. A relatively massive lava fountain shot up from one part of the fissure, at the site of an earlier eruption center, but it was short-lived. After a good 35 minutes, the lava had spread over a large part of the crater floor and has since formed a secondary lava lake. This is now still largely fed by a lava fountain on the western edge of the crater.



The eruption was preceded by a brief seismic crisis that began at around 02:00 HST. Increased seismic activity was registered yesterday. Just over 180 tremors occurred within 24 hours. The last time seismicity was elevated was on December 4. Since then, seismicity has been inconspicuous. A significant inflation, as is usually measured in the weeks and days before the eruptions, was not registered this time.



Current measures and alert levels

The HVO raised the volcano alert level of Kīlauea from CAUTION to WARNING, while the aviation color code was changed from YELLOW to RED. These changes reflect the escalating activity and potential hazards associated with the eruption.


Volcanic hazards and risks

Current hazards from the eruption include:

1 • Lava fountains and flows: these are currently confined to the caldera, but may threaten surrounding areas if activity expands.
2 • Gas emissions: Kīlauea emits large amounts of sulphur dioxide (SO₂), which degrades air quality and can cause acid rain.
3 • Ashfall: Smaller ash ejections can affect the surrounding areas.
4 • Ground instability: Earthquakes can increase due to volcanic activity and cause damage to buildings and roads.

Background information on Kīlauea

The hotspot volcano Kīlauea is located on the Big Island of Hawaii. It is a 1247 m high shield volcano that is known for its frequent eruptions. Its last major eruption period began in May 2018 and led to the destruction of hundreds of houses and the transformation of the landscape in the settlement of Leilani. Periodic lava lakes often formed in the Halemaʻumaʻu crater after the 2018 eruption. The last two eruptions in 2024 manifested themselves in the upper rift zones outside the summit caldera.

It is not possible to predict how long the current eruption will last, especially as it was not even on the radar.
 

# A fire bomb exploded on the Mount! There has been a sense of displacement and smoking on Mount Fontale in the afternoon earthquake or vibration ! Is there a big settlement from the Afar region of the Afar region?
Data of Ethiopian earthquakes, other images from google maps

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Smithsonian Global Volcanism
Fentale is a large stratovolcano at the N end of the Main Ethiopian Rift. It consists primarily of rhyolitic obsidian lava flows with minor tuffs. Welded pantelleritic ash flows accompanied formation of a 2.5 x 4.5 km summit caldera, with steep-sided walls. Elliptically shaped, it trends WNW-ESE, perpendicular to the Ethiopian Rift. Post-caldera vents lie along the same orientation. Trachytic and obsidian lava flows occur on the caldera floor, and fresh-looking lava flows descend the flanks. An eruption during the 13th century destroyed an Abyssinian town and church to the south. In 1820 CE basaltic lava flows effused from a 4-km-long fissure on the S flank; lava also flowed onto the caldera floor.
 
Santiaguito, Guatemala
Fuego, Guatemala

29 Dec 2024

Two articles at Vulkane.net about ongoing eruptions. If i recall correctly there was another article about earthquakes in Guatemala, having registered 4411 earthquakes during year 2024, from which the most recent was a M5.2 only 2 days ago on 27 Dec 2024

Volcanic activity in Guatemala

CONRED also released an update on volcanic activity in Guatemala yesterday. It is based on the daily INSUVIMEH bulletins, which highlighted that there are up to 10 explosive eruptions per hour at Fuego, with volcanic ash rising up to 4800 metres. The wind drifts the ash mainly in a north-westerly direction. Ash fallout has occurred in villages near the volcano. Glowing tephra is erupted up to 200 metres above crater height.

Santiaguito also remains active and produces ash clouds up to 3500 metres above dome height. Here, the ash spreads 30-40 kilometres away and also causes ash fallout. There is also a risk of pyroclastic flows and lahars (the latter when it rains).



Lava flow activity at Santiaguito - glowing debris avalanches up to the base of the dome

The activity at Santiaguito intensified somewhat last night: 1 to 2 explosive eruptions occur per hour, described by INSIVUMEH volcanologists as weak to moderately strong. They produced volcanic ash that rises up to 700 metres above dome height. The interesting thing about the activity is that the lava flow, which began flowing in 2022 and continued to be active until early summer 2024, apparently reactivated during the night and flowed over the south-west flank of the dome.

santiagui.jpg

This reactivation process was visible on the Afar Tv webcam: At around 00:15 local time, you can see that a hotspot formed in the lower third of the dome flank, which very quickly grew larger and was the starting point of an intensely glowing debris avalanche that slid down to the base of the dome. On closer inspection, it can be seen that a lava tongue was running from the dome towards the south-west. I suspect that a lava flow entered an underground channel along the solidified flow from the spring and emerged from the tube in the area of the hotspot.

The INSIVUMEH volcanologists describe similar observations in an update and write that the accumulation of material from the 2022 lava flow has formed a promontory on the western and south-western flanks that fills the Zanjón Seco and San Isidro channels. Small collapses of this promontory were already observed yesterday morning, causing short avalanches of blocks and ash. To me, it does indeed look like a reactivation of the flow.

Increased activity on the Fuego

I expect to spend some time at Santiaguito in mid-January and will then be able to see the situation for myself. On the to-do list is not only an ascent of Santa Maria to look down on the Santiaguito dome, but also a visit to the second active volcano in Guatemala: Fuego has also increased its activity slightly in the last 24 hours, producing up to 12 eruptions per hour. Until yesterday, there were a maximum of 10 eruptions in 60 minutes. Volcanic ash rose to an altitude of 5000 metres, which is about 200 metres higher than usual.


END OF ARTICLE BY MARC SZEGLAT
 
Kilauea, Hawai'i
29 Dec 2024

It appears that the ongoing eruption at Kilauea varies from day to day. In an "on and off" type of activity.



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Kilauea volcano eruption continues - lava fountain is active again

In my last update on Kilauea yesterday, I wrote that the eruptive activity slowly increased again after the second pause. This increase continued until around 17:15 HST yesterday, when a lava fountain was produced again, rising up to 30 metres in height. This activity continues until 06:30 HST on 29 December (16:30 UTC). The lava is spreading over part of the crater floor. Last night, HVO volcanologists estimated that 20% of the Halemaʻumaʻu crater floor is covered with melt. This value has remained relatively constant today. Accordingly, MIROVA detects high thermal radiation with 2132 MW of power.

kilauea15.jpg

The third phase of activity of the eruption
which began one day before Christmas, was the longest. However, most of the lava was produced during the strong initial phase of the eruption.

The geophysical measurements show that there are only a few earthquakes and the tremor is comparatively low. The clinometers in the southern summit area of the volcano currently indicate a deflationary phase. It began yesterday at around 15:00, two hours before the lava fountain became active again. Up to this point, inflation was registered. This means that more magma was rising from the depths than was being extracted from the vent on the south-west rim of the Halemaʻumaʻu crater. The effect has since been reversed.

The volcanologists at HVO believe that the height of the lava fountain could continue to increase. However, the exact height of the fountains or their duration remains unpredictable. Historically, lava fountains with a height of over 70 metres have been observed, lasting up to 24 hours.

Kīlauea, one of the most active volcanoes on Earth, is located on Big Island Hawaii, the largest island in the Hawaiian volcanic island chain, which formed over a hotspot. The Halemaʻumaʻu crater, which is located in the summit area, is a central site of volcanic activity. Previous eruptions of Kīlauea have had a significant geological and cultural impact on the region and have shaped the landscape of Hawaii.


END OF ARTICLE by Marc Szeglat


Totally unrelated

to the ongoing eruptive event at Kilauea, i found this photo (year 2022) showing both an active Kilauea to the left, and the eruption of Mauna Loa to the right. What a sight !

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This undersea monster 300 miles off the coast won't cause tsunamis or devastation like its 2022 Tongan cousin.

The bad news? It's still going to blow, likely before 2026.

Researchers say the volcano's surface has swollen to 95% of its "I'm about to explode" threshold - which is scientist-speak for "something interesting is about to happen half a mile underwater.

"Source: DailyMail"





 
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