Soufriére Hills, Montserrat, West Indies

MVO reported that during 25 April-2 May the level of volcano-tectonic earthquakes at Soufrière Hills increased and was the highest since February 2006. Degassing from a vent above Gages Wall was audible in the St. George’s Hill area to the NW. Steaming from the area above Tyre’s Ghaut to the NW was visible. The Alert [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 4-18 April the lava dome at Soufrière Hills changed very little, based on measurable parameters. Overflights on 9 and 16 April revealed that the E side of the lava dome continued to erode and exposed more resistant solid material below. A small pyroclastic flow traveled 500 m down the E flank [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 25-31 March the lava dome at Soufrière Hills changed very little, based on visual observations and other measurable parameters. Fumarolic activity was concentrated on the NW and SE flanks, and at the head of Gages Valley to the W where the emissions were bluish. The Alert Level remained elevated at 4 [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that that during 11-18 March the lava dome at Soufrière Hills changed very little, based on visual observations on 12 March and other measurable parameters. The E side of the lava dome continued to erode, with material accumulating in the Tar River Valley. Fumarolic activity was concentrated on the NW and SE flanks [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that that during 27 February-4 March the lava dome at Soufrière Hills changed very little, based on limited visual observations during an overflight on 29 February and from ground locations. The E talus slope continued to erode, with both fresh and older material accumulating in the Tar River Valley. Active fumaroles around the [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that that during 20-26 February the lava dome at Soufrière Hills changed very little, based on limited visual observations during an over flight on 21 February and from ground locations. The E talus slope continued to erode, with both fresh and older material accumulating in the Tar River Valley. Active fumaroles around the [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that that during 13-19 February the lava dome at Soufrière Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks continued. Active fumaroles were also noted in the Galway’s area to the S of the dome. Clouds [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that that during 5-12 February the lava dome at Soufrière Hills changed very little, based on limited observations (due to inclement weather) during overflights. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks continued. Active fumaroles were also noted in the Galway’s area to [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that fumarolic activity on the N and E flanks of the Soufrière Hills lava dome continued during 28 December-8 January. Active fumaroles were also noted in the Galway’s area to the S of the dome and W in the Gages Wall area. Occasional rockfalls were restricted to the Tar River valley. Observations during [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 24-28 December the lava dome at Soufrière Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall activity occurred in the Tar River valley. Fumarolic activity on the N and E flanks of the dome and W in the Gages Wall area continued. The Alert [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 17-24 December the lava dome at Soufrière Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks of the dome continued. The Alert Level remained elevated at 4 (on a scale of 0-5).
Source: Montserrat Volcano [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 3-7 December the lava dome at Soufrière Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks of the dome continued. The Alert Level remained elevated at 4 (on a scale of 0-5).
Source: Montserrat Volcano [...]

Soufriére Hills, Montserrat, West Indies

MVO reported that during 23 November-3 December the lava dome at Soufriére Hills changed very little, based on visual observations. Seismic activity was very low and low-level rockfall and pyroclastic flow activity continued. Fumarolic activity on the N and E flanks of the dome were observed. On 29 November, a regional M 7.4 earthquake occurred [...]