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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)

Santa María / Santiaguito volcano (Guatemala) activity update: advancing viscous active lava flows, weak occasional explosions

Thu, 10 Jan 2013, 08:43
08:43 AM | BY: TOMPFEIFFER
Effusive activity has apparently increased, as INSIVUMEH reports that the SE and NE lava flows descending from the dome are advancing about 5-7 meters per day. This implies a relatively high effusion rate from the summit vent feeding the flows. Explosive activity remains very weak in contrast.
Previous news
Tue, 8 Jan 2013, 11:05
A few explosions with ash plumes rising up to 700 m occurred today. A steam plume is rising 250 m above the lava dome, which shows incandescence at night and continues to feed the lava flows on the SE and NE flanks. ... read all
Thu, 3 Jan 2013, 11:05
The lava dome has had a few minor explosions, and continues to emit a large steam plume and aliment the lava flows on its flanks. Incandescence could be seen during the night from their fronts, where detaching blocks generate weak avalanches. The flow on the SE side towards Nimá 1 canyon was advancing. ... read all
Wed, 2 Jan 2013, 09:11
Activity has remained generally weak and mainly effusive, with very few and weak ash explosions, and active block lava flows from the dome, that generate constant small avalanches. ... read all
Sun, 30 Dec 2012, 11:05
The Santiaguito lava dome has been comparably calm with few or no explosive activity reported during the past days. ... read all
Tue, 25 Dec 2012, 11:05
3 rumblings, one strong at 20:46 on 24 Dec and two moderate at 03:00 and 05:33 h local time on 25 Dec, were heard. They lasted between 30 to 50 seconds. 2 moderate explosions were observed at 05:58 and 06:02 and expelled gray ash columns to 700 and 800 m height above the lava dome and drifted southwest, causing ash fall on the areas of La Florida and San Marcos Palajunoj. The lava flows remained weakly active and produced few avalanches from the SE lava flow front. ... read all

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