Increase in seismicity, volcanic tremor, and eruptivity at Tajogaite

23 Dec Increase in seismicity, volcanic tremor, and eruptivity at Tajogaite

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Earthquake magnitudes, intensity, and quantity increase and deflation of the eruptive centre is observed.

Data type: Geological report

Groups: Seismic activity – Volcanic tremor intensification pulses – Eruption increases – Earthquakes felt

Since the last statement on the 2nd of October, 115 earthquakes have been located in the southern part of the island of La Palma, 12 of them felt by the population and 4 reach an intensity III-IV in the epicentral zone. The largest earthquake, 3.7 (mbLg) occurred at 19:14 UTC yesterday afternoon. Earthquakes with epicentres as deep as 30-36 km were recorded (IGN, 2021). Volcanic tremor pulses coincided with moments of increased eruptive activity at the surface. Lava fountaining rose hundereds of meters high. In the evening one of the new cones collapsed, blocks of the cone traveled downslope in lava flows (GVP, 2021).

This video shows the production of water vapour in the white cloud adjacent to a large dark ash column on the 4th of October. Sourced from IGME (2021).

23 Dec Increase in seismicity, volcanic tremor, and eruptivity at Tajogaite

This video shows the production of water vapour in the white cloud adjacent to a large dark ash column on the 4th of October. Sourced from IGME (2021).

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