LA SOUFRIÈRE BULLETIN #66 APRIL 17, 2021 11:00 AM
- The swarm of long-period and hybrid earthquakes continued at La Soufrière Volcano.
- The rate of occurrence of these earthquakes dropped significantly at about 8 pm on 16 April and has remained near-constant since.
- No episodes of tremor have been recorded in the last 12 hours.
- The new crater, measures approximately 900 m N to S and at least 750 m E to W. The crater is thought to be at least 100 m deep (Raphael Grandin, IPGP) and is centered in the SW sector of the Summit Crater.
- Within the new crater, there are several vents as indicated by the ash and steam plumes, but only one can be identified clearly.
- The volcano continues to erupt although explosive activity appears to have ended at this time. Its current pattern of seismic activity may indicate growth of a lava dome, but this has not yet been confirmed.
- Explosions with accompanying ashfall, of similar or larger magnitude, could restart in the future.
- Alert level remains RED.
- Eighty-seven shelters with 4,243 occupants are now activated.
- Some four thousand seven hundred and eighteen persons (4209) are being housed in private shelter.
- A total of 8,375 individuals have been displaced so far.
- The National Emergency Operations Center continues to be fully functional operating on a twenty-four hour, around the clock basis.
- NEMO will continue to provide regular updates on activities at the Volcano as they occur.
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