The eruptive column has started to climb again and earthquakes felt with intensity III-IV.

The eruptive column has started to climb again and earthquakes felt with intensity III-IV.

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

Data type: Geological report

Since the 8th of October there has been 214 earthquakes, 19 felt by the population with a maximum intensity of IV. The earthquake with the highest magnitude took place at 23:55 UTC on the 8th, with a value of 4.2 mbLg at a depth of 38 km. Of the earthquakes located since the last communication, 39 are found at depths greater than 30 km, and the rest of the hypocenters are located at a shallower depth, around 12 km. The column height, measured at 6:30 UTC, was 3,500 m, showing an increase since the 8th of October (IGN, 2021). On October 9th the north part of the main cone collapsed, generating a wide an fast lava flow carrying large blocks downstream (GVP, 2021).

This video shows incandescent lava with large blocks flowing out from the vent on October 9th. Sourced from IGME (2021).

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