CDEMA Situation Report #19 – Explosive Eruption at La Soufrière, St. Vincent and the Grenadines (April 20th, 2021 – 8:00 pm)

SITUATION OVERVIEW

The 6:00AM Scientific Advisory from the UWI Seismic Research Centre (SRC) issued on 20th April, 2021, reported the following:

Seismic activity has continued the pattern established after the explosive activity on 18
Small long-period and hybrid earthquakes continued to be recorded. Two rockfalls were also recorded.
No volcano-tectonic earthquakes or tremor have been recorded in the last 12 hours.
The seismic station at Bamboo Range recorded the signal from a lahar (mudflow) at 4 am, which lasted for about 30 minutes and may have flown along a valley on the south- eastern side of the volcano.

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