MVO Weekly Report for the Period 22 to 29 August 2014 Activity at the Soufrière Hills Volcano remains low. The seismic network recorded one rockfall and one volcano-tectonic earthquake this week. Sulphur-dioxide measurements from five days during the reporting period gave an average flux of 204 tonnes/day with a maximum of 277 and a minimum of 145 tonnes/day. There were times during the week, particularly on the mornings of 22 and 28 August, when the prevailing wind blew the volcanic plume towards the north and the smell of volcanic gases was noticeable in inhabited areas of Montserrat. 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 1. There is no access to Plymouth or the rest of Zone V. Maritime Zones E and W are daytime transit only between sunrise and sunset (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, 29 Aug 2014 13:49:00 +0000
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