La Soufriere

CDEMA SITUATION REPORT #19 - EXPLOSIVE ERUPTION AT LA SOUFRIÈRE VOLCANO, ST. VINCENT

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.

SITUATION OVERVIEW

The 6:00PM Scientific Advisory from the UWI Seismic Research Centre (SRC) issued on 19th April, 2021, reported the following:

Seismic activity at La Soufrière continued the pattern established after the explosive activity yesterday evening.
Small long-period and hybrid earthquakes continued to be recorded. No volcano-tectonic earthquakes, rock falls or tremor have been recorded in the last 12 hours.
The continuous GPS network has shown a change in horizontal and vertical movement since the initial depressurization noted immediately following the April 9 explosive
phase.

SITUATION OVERVIEW

The 6:00PM Scientific Advisory from the UWI Seismic Research Centre (SRC) issued on 18th April, 2021, reported the following:

The swarm of long-period and hybrid earthquakes continued at La Soufrière, St Vincen with no significant change in their rate of occurrence. Occasional small volcano-tectonic earthquakes were still being recorded.