MVO Weekly Report for the Period 24 to 31 May 2024

Activity at the Soufrière Hills Volcano remains low.

The seismic network recorded 12 volcano tectonic earthquakes this week.

Measurements of the SO2 flux were taken from the helicopter on 29 May. There were 11 traverses with an average flux of 170 tonnes per day.

Due to the large size of the lava dome, pyroclastic flows can occur at any time without warning on any side of the volcano, including Gages from where they can travel rapidly into Plymouth. Tracks across the Belham Valley can be destroyed or heavily modified by flash flooding or lahars, and caution should be exercised crossing the valley during and after rainfall.

The Hazard Level is 1. There is no public access to Zone V, including Plymouth. Maritime Zones E and W are daytime transit only between sunrise and sunset (boats may sail through the zone but must not stop). Anyone who ignores these restrictions is liable to be prosecuted.

This report along with additional information on the Soufrière Hills Volcano and the Hazard Level System can be found at the MVO website: Old weekly reports can be downloaded from You can also follow @mvoms on both Facebook, Instagram, and Twitter.

Monitoring Data Summary

SOURCEMontserrat Volcano Observatory
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