La Soufrière Update #55 – Explosive Eruptions May Continue For Next Few Days To Weeks

Present La Soufrière Alert Level:ORANGEThere is a highly elevated level of seismic and/or fumarolic activity or other unusual activity. An eruption may begin with less than twenty-four hours’ notice.

The National Emergency Management Organization (NEMO), in their 55th update at 10:00 PM 9th April 2021, advised that La Soufrière has entered an explosive eruptive phase that may continue over the next few days to weeks. Explosions are expected to be of similar or larger magnitude.

The seismic tremor generated by the voluminous energetic venting of La Soufrière Volcano continued overnight. The amplitude of the tremor peaked between 8:00 PM and 12:00 AM on 9th April and slowly declined over the next few hours. There were some periods of increased amplitude during the decline, associated with pulses in the ash venting.

A small number of volcano-tectonic, long-period, and hybrid earthquakes were recorded during the tremor. Audible rumblings accompanied by ash venting occurred throughout most of the night with ashfall reported throughout the island.

Seventy-six shelters with more than 2000 occupants are now fully operational.

The National Emergency Operating Center (NEOC) has been fully activated and is operating around the clock. NEMO will continue to provide updates as the situation evolves.

Official information will originate from St. Vincent and the Grenadines National Emergency Management Organization and the University of the West Indies Seismic Research Center.

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