Soufriére Hills, Montserrat, West Indies

MVO reported that during 2-9 May the lava dome at Soufrière Hills changed very little, based on measurable parameters. A small pyroclastic flow descended the E flank on 5 May. Light ashfall was reported in the Old Town area about 9 km NW. Ash deposits were also evident in the Corkhill (NW) and St. Georges Hill (N) areas. Heavy rainfall generated lahars. The Alert Level remained elevated at 4 (on a scale of 0-5).

Based on information from MVO and observations of satellite imagery, the Washington VAAC reported that an ash plume rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted NW on 13 May.

Sources: Montserrat Volcano Observatory (MVO), Washington Volcanic Ash Advisory Center (VAAC) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

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