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The Living Force
Pico de Teide, Tenerife - Spain
31 Aug 2025
www.vulkane.net

Pico del Teide rises from the Las Cañadas caldera on Tenerife. © Marc Szeglat
Tenerife: Swarm of earthquakes beneath Pico del Teide
Swarm of earthquakes beneath the Pico del Teide volcano on Tenerife – More than 90 tremors within an hour
Yesterday evening, a swarm of earthquakes manifested itself beneath the Pico del Teide volcano on Tenerife. It consisted of more than 90 very weak individual tremors of volcanic-tectonic origin and, according to INVOLCAN, was caused by ascending magmatic fluids that broke rock on their way up.

Tenerife swarm
The Canary Islands seismic network recorded the start of the swarm at 5:14 p.m. It lasted 72 minutes and ended at 6:26 p.m. (Canary Islands time). This equates to a frequency of more than one tremor per minute. The magnitudes were in the microseismic range. The hypocenters were scattered at depths between 2 and 6 kilometers.
Since June 2017, there have already been 120 swarms of volcanotectonic earthquakes. As in previous cases, this swarm is also related to pressure processes in Tenerife's volcanic-hydrothermal system caused by the intrusion of magmatic fluids. This pattern has been observed since 2016 and is supported by various geochemical and geophysical data, including increased diffuse CO₂ emissions in the Teide crater and slight ground uplift observed since 2024 in the northeastern sector of the Teide–Pico Viejo volcanic complex.
Volcanologists on Tenerife do not expect a volcanic eruption in the short term, but in the long term it is likely that there will be a new eruption at Pico del Teide. At this point, it is not yet possible to say how large such an eruption will be. Nor is it possible to make other predictions. The timing and nature of the eruption also remain unclear.
In addition to the swarm of earthquakes, another report is causing concern:
this year, not only have numerous earthquakes been detected under Pico del Teide and in the strait between Tenerife and Gran Canaria, but there has also been increased seismic activity in the Izaña region, which lies a good 20 kilometers east of the Las Cañadas del Teide caldera. There is an astronomical telescope station on the Izaña ridge. Until last year, the area was considered seismically stable, but since then 51 minor earthquakes have been recorded.
END OF ARTICLE
31 Aug 2025

Teneriffa: Schwarmbeben unter dem Pico del Teide - Vulkane Net Newsblog
Schwarmbeben unter dem Vulkan Pico del Teide auf Teneriffa - Mehr als 90 Beben innerhalb einer Stunde


Pico del Teide rises from the Las Cañadas caldera on Tenerife. © Marc Szeglat
Tenerife: Swarm of earthquakes beneath Pico del Teide
Swarm of earthquakes beneath the Pico del Teide volcano on Tenerife – More than 90 tremors within an hour
Yesterday evening, a swarm of earthquakes manifested itself beneath the Pico del Teide volcano on Tenerife. It consisted of more than 90 very weak individual tremors of volcanic-tectonic origin and, according to INVOLCAN, was caused by ascending magmatic fluids that broke rock on their way up.

Tenerife swarm
The Canary Islands seismic network recorded the start of the swarm at 5:14 p.m. It lasted 72 minutes and ended at 6:26 p.m. (Canary Islands time). This equates to a frequency of more than one tremor per minute. The magnitudes were in the microseismic range. The hypocenters were scattered at depths between 2 and 6 kilometers.
Since June 2017, there have already been 120 swarms of volcanotectonic earthquakes. As in previous cases, this swarm is also related to pressure processes in Tenerife's volcanic-hydrothermal system caused by the intrusion of magmatic fluids. This pattern has been observed since 2016 and is supported by various geochemical and geophysical data, including increased diffuse CO₂ emissions in the Teide crater and slight ground uplift observed since 2024 in the northeastern sector of the Teide–Pico Viejo volcanic complex.
Volcanologists on Tenerife do not expect a volcanic eruption in the short term, but in the long term it is likely that there will be a new eruption at Pico del Teide. At this point, it is not yet possible to say how large such an eruption will be. Nor is it possible to make other predictions. The timing and nature of the eruption also remain unclear.
In addition to the swarm of earthquakes, another report is causing concern:
this year, not only have numerous earthquakes been detected under Pico del Teide and in the strait between Tenerife and Gran Canaria, but there has also been increased seismic activity in the Izaña region, which lies a good 20 kilometers east of the Las Cañadas del Teide caldera. There is an astronomical telescope station on the Izaña ridge. Until last year, the area was considered seismically stable, but since then 51 minor earthquakes have been recorded.
END OF ARTICLE