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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:

Incandescence from the active lava flow on the flank of Santiaguito's dome
Tuesday, Feb 03, 2015
Activity has remained similar to the previous months. Occasional small explosions from the dome and a continuing active lava flow on the southeast side of Caliente dome continue. [more]
Monday, Jan 19, 2015
No significant change has occurred recently. The lava flow on the eastern side of the dome remains weakly active. Weak explosions occur from time to time. [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: 3 Feb 2015
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
Wed, 25 Feb
Wed, 25 Feb 06:33 UTCM 3.8 / 63 km45 km49 km al SURESTE de CD HIDALGO, CHIS
Wed, 25 Feb 00:58 UTCM 3.8 / 83 km28 km43 km al ESTE de CD HIDALGO, CHIS
Sun, 8 Feb
Sun, 8 Feb 19:39 UTCM 3.5 / 192 km28 km70 km al SURESTE de CD HIDALGO, CHIS
Wed, 4 Feb
Wed, 4 Feb 03:03 UTCM 3.0 / 35 km4 km29 km al ESTE de CACAHOATAN, CHIS
Tue, 20 Jan
Tue, 20 Jan 06:59 UTCM 5.5 / 152 km19 km GUATEMALA
View all recent quakes
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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