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TOPIC: Soufriere Hills Volcano


L

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RE: Soufriere Hills Volcano
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A series of early morning explosions at the Soufriere Hills Volcano sent ash plumes high into the air, blanketing several communities with ash, forcing evacuations, closing the island's airport and causing diversions of flights to nearby islands.
Scientists at the Montserrat Volcano Observatory (MVO) said the increased activity resulted in a chain of pyroclastic flows of hot rocks, ash and gas, hurtling down the flanks of the volcano into the abandoned capital Plymouth on Saturday.

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Montserrats volcano at Soufriere Hills exploded at about 9:35 pm on Tuesday (Dec. 2) resulting in pyroclastic flow from the western side of the lava dome.
According to the Montserrat Volcano Observatory (MVO), the explosion took place without warning and showed no precursory seismic activity. The volcano emitted large boulders and incandescent blocks up to a kilometer from the dome, scattering debris over the north-western side of Gages Mountain.

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Montserrat 280708
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Credit NASA-GSFC, data from NOAA GOES

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 Montserrat's volcano has spewed columns of ash thousands of meters into the air.

Seismic activity at the Soufriere Hills Volcano has increased significantly. There was also a short series of eruptive events on the morning of Sunday 27th July 2008.
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Montserrat: Satellite Imagery of ash, steam and gas from an eruption of Soufriere Hills Volcano at 8:42 UT, 11th June 2007.

soufEuruption11june07
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Soufriere Hills

16.72N 62.18W
Montserrat, West Indies


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The governor of Montserrat has issued a statement as follow-up to that made on 6 March, when she said that the Scientific Advisory Committee (SAC) had produced a report about the risks to the community from the Soufriere Hills volcano.
The Governor said she was grateful for the opportunity to meet with the Emergency Policy Group (EPG) on 5 March, and the Volcano Executive Group (VEG) on 8 March to hear their views on the latest developments.
The MVO has been updating the community on a daily basis. There are no surprises in the analysis of the situation at the volcano in the SAC report. Risk to the area north of Nantes river remains at background levels. The north remains safe for community life.

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A dome of hardened lava over Montserrat's Soufriere Hills volcano has swollen to near-record size and could collapse, sending volcanic material toward a populated area of the Caribbean island, a government scientist said Friday.
The volcano, which had a devastating eruption in 1997, appears stable for now, but a decrease in gas emissions over the last week suggests pressure could be building inside the lava dome.

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On February 28, 2007, NASA’s Aqua satellite caught the Soufriere Hills Volcano on the Caribbean island of Montserrat release another plume of ash and/or steam.
This image shows the volcanic island sending its plume westward over the ocean water. The red outline at the volcanic summit is a hotspot—an area with unusually warm temperatures.

montserrat_2007059
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Credit NASA

The high-resolution image provided above is at Aqua satellites’ full spatial resolution of 250 meters per pixel.

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The Terra satellite captured this image of the volcanic ash cloud on January 8, 2007.

soufriere_080107
Credit NASA

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A cloud of superheated ash and gas flows from the Soufriere Hills volcano, as seen from Olveston, Montserrat, Monday, Jan. 8, 2007. The cloud reportedly shot up more than 8 kilometres, into the sky, and authorities warn that more significant activity is possible in the coming days.

Credit AP/Wayne Fenton

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