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Santa Maria volcano satellite image (c) Google Earth View
Santa Maria volcano satellite image (c) Google Earth View

Latest news from Santa Maria volcano:

Wednesday, Oct 01, 2014
Activity remains mainly effusive and the viscous lava flow on the SE side of the dome continues to advance slowly through the Nima 1 ravine. ... [more]
Steam rising from the lava flow from Santiaguito lava dome yesterday
Friday, Sep 12, 2014
The volcano continues to feed an active lava flow that passes through a ravine on the SE side of the dome. Its length has reached approx. 3 km, which implies it has been making approx. 30 meters progress per day during the past month. ... [more]

Santiaguito volcano

Stratovolcano 3772 m (12,375 ft)
Guatemala, 14.76°N / -91.55°W
Current status: erupting (4 out of 5)
Santiaguito webcams / live data
Last update: 1 Oct 2014
Typical eruption style: Dominantly explosive, formation of lava domes
Santiaguito volcano eruptions: 1902 (catastrophic Plinian eruption), 1903, 1922 (from SW flank: Santiaguito), 2002-ongoing
TimeMag. / DepthDistanceLocation
Tue, 9 Sep
Tue, 9 Sep 04:21 UTCM 3.2 / 116 km52 km42 km al SURESTE de CD HIDALGO, CHIS
Santiaguito is the name of the dome complex that grew inside the collapse scar left by the catastrophic eruption and partial collapse of Santa María stratovolcano in 1902. Its currently active dome is called Caliente (the "hot one").
Symmetrical, forest-covered Santa María volcano is one of the most prominent of a chain of large volcanoes that rises dramatically above the Pacific coastal plain of Guatemala. Santa Maria erupted catastrophically in 1902 destroying its former summit.
Santa Maria is a popular excursion destination and the summit offers spectacular views onto erupting Santiaguito.

Background:

The 3772-m-high stratovolcano has a sharp-topped, conical profile that is cut on the SW flank by a large, 1.5-km-wide crater. The oval-shaped crater extends from just below the summit of Volcán Santa María to the lower flank and was formed during a catastrophic eruption in 1902. The renowned plinian eruption of 1902 that devastated much of SW Guatemala followed a long repose period after construction of the large basaltic-andesite stratovolcano. The massive dacitic Santiaguito lava-dome complex has been growing at the base of the 1902 crater since 1922. Compound dome growth at Santiaguito has occurred episodically from four westward-younging vents, the most recent of which is Caliente. Dome growth has been accompanied by almost continuous minor explosions, with periodic lava extrusion, larger explosions, pyroclastic flows, and lahars.
Source: GVP

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