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Santa Maria volcano satellite image (c) Google Earth View
Santa Maria volcano satellite image (c) Google Earth View
Santiaguito volcano
Stratovolcano 3772 m (12,375 ft)
Guatemala, 14.76°N / -91.55°W
Current status: erupting (4 out of 5)
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Santiaguito volcano eruptions:
1902 (catastrophic Plinian eruption of Santa Maria), 1903, 1922-ongoing (Santiaguito dome complex)
Typical eruption style:
Dominantly explosive, formation of lava domes
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Volcano news: Santa Maria (Guatemala)

Santiaguito volcano (Guatemala) activity update: sporadic explosions, continuing lava dome growth, small lava flow on SE flank

Thursday Jan 19, 2012 00:01 AM | BY: T

The lava dome growth of Santiaguito continues at moderate levels. Sporadic explosions produce ash clouds that rise up to 600-800 m above the lava dome and mostly drift SW. A viscous lava flow is active on the SE flank. Block avalanches are generated from the front of the lava flow and on the SW flank, accompanied by rumbling noises.
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Links / Sources:
Previous news
avalanches of ash and incandescent blocks produced by the growth of the volcanic dome of the volcano Santiaguito Caliente - Guatemala in January 2012 (Yashmin Chebli)
Wednesday, Jan 11, 2012
During the month of January 2012 the activity of the volcanic dome of Santiaguito Caliente has been steady with many degassing emissions and ash plumes well above the top of the volcano Santa Maria (the volcano father). during the 4 days of observation of the activity by the team of geologists and volcanologists during an expedition to VolcanoDiscovery, we identified one to two hours by pyroclastic flow. These flows are formed by avalanches of ash and incandescent blocks produced during the surge in gas and magma during the extrusion of the dome and they ran down the sides of the South and South West dome to spread out up to 500 m to 1 km distance from the base of the dome. [more]
Friday, Mar 25, 2011
Elevated activity continues at Santiaguito, as recent visitors and the latest reports from INSIVUMEH confirm. The Santiaguito lava dome has been producing frequent ash explosions with plumes to 700-800 m height and small avalanches and pyroclastic flows traveling down the eastern and southern flanks of Caliente dome. [more]
Monday, Aug 02, 2010
As INSIVUMEH reports, Santiaguito's lava dome continues to be active and produces between 10-20 small to medium ash eruptions per day. [more]
Wednesday, Apr 28, 2010
Santiaguito volcano had 4 strong eruptions between 18:50 and 20:00 local time on 26 April, 2010. According to INSIVUMEH and local newspapers, the explosions from the lava dome produces ash plumes reaching 8-9 km a.s.l. Authorities closed the airspace around the volcano in a radius of 20 km. [more]
The Santiaguito lava dome complex with a typical ash eruption in late Dec 2009. (Photo: Y. Chebli)
Friday, Jan 08, 2010
During our pilot expedition to the volcanoes of Guatemala in Dec 2009, Santigaguito lava dome was observed between 25-28 Dec. The lava dome produced ash eruptions roughly every 0.5-3 hours with plumes reaching up to 300-1000 m elevation. On one occasion, a small pyroclastic flow was observed travelling down on the SW side of the lava dome. [more]

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