MVO Weekly Report for the Period 25 July to 1 August 2014 Activity at the Soufrière Hills Volcano remains low. The seismic network recorded one rockfall and two volcano-tectonic earthquakes this week. Sulphur-dioxide measurements from six days during the reporting period gave an average flux of 291 tonnes/day with a maximum of 566 and a minimum of 189 tonnes/day. 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 are frequently 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 2. There is no access to Plymouth or the rest of Zone V. Zone C is open to pass-holders between 8 am and 4 pm every day: passes and an explanatory leaflet can be obtained from Salem police station. Maritime Zone W remains daytime transit only (boats may sail through the zone but must not stop). This report along with additional information on the Soufrière Hills Volcano and the Hazard Level System can be found at the MVO website: mvo.ms.
Posted on: Fri, 01 Aug 2014 15:09:11 +0000
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