Lava flow from the main cone

Lava flow from the main cone

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Increased number of seismic events and the largest seismic events recorded.

Since yesterday, 135 earthquakes have been located in the area, 14 of these earthquakes have been felt by the population. The highest intensities experienced were due to the earthquakes that occurred at 22:54 UTC on the 21st, with a magnitude of 4.4 mbLg at 33 km depth, and one earthquake at 6:54 today with a magnitude of 4.2 mbLg and 38 km. Only two earthquakes have been located at a depth of around 30 km, the rest of the hypocenters of the period are located at a shallower depth, around 12 km. The volcanic tremor signal maintains a high mean amplitude, with no intensification pulses. The column height measured at 08:00 UTC is estimated to be 2,800 m (IGN, 2021) The GNSS stations further away from the eruptive centres a slight deflation is observed, possibly related to deep seismicity. The main cone generated explosions and a lava overflow in the late evening today (GVP, 2021).

This video taken on the 22nd of October shows the established lava delta and the inactive lava flows that fed it. Sourced from IGME (2021).

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