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Uploaded on:
2009-03-10 09:11:26.0
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File Size:
178.01 KB
1000 x 661 pixels
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P number: P263669
Old photograph number: MN32874
Caption: Dome collapse pyroclastic flow, Soufriere Hills Volcano, Montserrat, West Indies.
Description: The first major dome-collapse pyroclastic flow racing round the north side of the lava dome on 3rd April 1996. The pyroclastic flow reached the Tar River valley to the east of the volcano. This dome collapse began within hours of the decision to evacuate southern Montserrat. Dome-collapse pyroclastic flows are avalanches of hot lava blocks that smash together to generate large volumes of volcanic ash. The hot ash flowing above and alongside the basal avalanche is a pyroclastic surge. Some ash lifts to form a dark cloud above the volcano. The ongoing eruption of the Soufriere Hills Volcano has devastated much of the small Caribbean island of Montserrat. The eruption of the lava dome-building volcano began in 1995 and volcanic hazards have included pyroclastic flows, pyroclastic surges, vulcanian explosions, lateral blasts, ash clouds and lahars.
Date taken: Mon Apr 01 00:00:00 BST 1996
Photographer: Young, S.
Copyright statement: NERC
Orientation: Landscape
Size: 178.01 KB; 1000 x 661 pixels; 85 x 56 mm (print at 300 DPI); 265 x 175 mm (screen at 96 DPI);
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Categories: Best of BGS Images/ Earthquakes and volcanoes  


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