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Santa Maria volcano satellite image (c) Google Earth View
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Santiaguito vulkaan
Stratovulkaan 3772 m (12,375 ft)
Guatemala, 14.76°N / -91.55°W
Current status: losbarstend (4 out of 5)
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Santiaguito vulkaanuitbarstingen:
1902 (catastrophic Plinian eruption of Santa Maria), 1903, 1922-ongoing (Santiaguito dome complex)
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Volcano news: Santa Maria (Guatemala)

Santiaguito volcano (Guatemala): strong explosion, pyroclastic flow and evacuations

Friday Feb 05, 2016 22:32 PM | DOOR: T

Santiaguito's pyroclastic flow this morning seen from NE near Santa Maria de Jesus (image: Silverio Zum via Erick Colop/Twitter)
Santiaguito's pyroclastic flow this morning seen from NE near Santa Maria de Jesus (image: Silverio Zum via Erick Colop/Twitter)
View of the ash plumes from the explosion and pyroclastic flow from the west (image: Bomberos Retalhuleu / CONRED)
View of the ash plumes from the explosion and pyroclastic flow from the west (image: Bomberos Retalhuleu / CONRED)
El Palmar under ash fall after the explosion (image: Stereo100Noticias ‏@stereo100xela / twitter)
El Palmar under ash fall after the explosion (image: Stereo100Noticias ‏@stereo100xela / twitter)
A strong explosion occurred from the active Caliente lava dome this morning around 10:30 local time. It generated a pyroclastic flow that traveled down the southeast flank of the dome complex reaching a length of approx. 2-3 km. No damage or injuries were reported.
Ash plumes from both the explosion and the pyroclastic flow rose to an elevation of 17,000 ft (5.5 km) and produced moderate ash falls in the southern sectors of the volcano, in particular in the village and coffee farm of El Palmar. Authorities ordered preventive evacuations in areas to the S and SE closest to the volcano.
At the moment, it is unclear what exactly triggered the pyroclastic flow - collapse of ejected material or partial collapse of the upper parts of the dome itself, or, most likely, a combination of both. Whether the event was (as often) an isolated one or might be a first in a series of stronger explosions and collapses with more pyroclastic flows is impossible to know at the moment.
According to CONRED, this morning's eruption was preceded by 34 small to moderate explosions within 24 hours, a quite unusually high rate, suggesting that magma and/or gas supply into the dome has been elevated at the moment.
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Koppelingen / Bronnen:
  • Boletín Informativo No. 4132 - VOLCÁN SANTIAGUITO REGISTRÓ EXPLOSIÓN CON FLUJOS PIROCLÁSTICOS (CONRED)
Vorig nieuws
Wednesday, Jan 13, 2016
INSIVUMEH reports strong degassing, a few weaker explosions and small to moderate rockfalls on the eastern side of the active Caliente lava dome. [meer...]
Small explosion at Santiaguito on the morning of 28 Dec 2015
Thursday, Dec 31, 2015
During our stay at / near Santa Maria volcano during 26-29 Dec, we observed only explosive activity at Santiaguito, but no signs of effusive activity (lava flows): no rockfalls or other movements were seen at the recently active lava flows or on the flanks of the dome itself, indicating that at present, no lava flows are active. ... [meer...]
Explosion from Santiaguito this morning (image: Sismos en Guatemala ‏@SismosGuate / twitter)
Tuesday, Dec 01, 2015
A phase of elevated activity has started at the volcano since 29 November. The largest event so far occurred this morning at 07:07 local time, when a strong explosion produced an ash plume that rose approx. 2-3 km and (probably) a small pyroclastic flow. Ash fall occurred in nearby villages and towns including San Marcos Palajunoj, and Finca La Florida. ... [meer...]
Friday, Nov 06, 2015
Heavy rainfalls caused several lahars during the past days. The volcano continues to produce occasional small to moderate explosions from the active Caliente dome. ... [meer...]
Pyroclastic flow from Santiaguito last Wednesday (INSIVUMEH)
Thursday, Oct 01, 2015
Activity has picked up during the past days: a series of partial collapses from the Caliente lava dome has been generating small to moderately large (up to 4-5 km long) pyroclastic flows, the volcano observatory reported in its latest special bulletin. [meer...]

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