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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

Santiaguito webcams / live data
Santiaguito volcano eruptions:
1902 (catastrophic Plinian eruption), 1903, 1922 (from SW flank: Santiaguito), 2002-ongoing
Typical eruption style:
Dominantly explosive, formation of lava domes
Last earthquakes nearby

Santiaguito volcano (Guatemala): large hot lahars

Friday May 30, 2014 10:06 AM | BY: T

Lahar in the Tambor river yesterday (image: @ConredGuatemala / twitter)
Lahar in the Tambor river yesterday (image: @ConredGuatemala / twitter)
Lahar in the Tambor river (image: @ConredGuatemala / twitter)
Lahar in the Tambor river (image: @ConredGuatemala / twitter)
Ongoing rainfall has been causing a number of mud flows (lahars) in the rivers draining from Santiaguito, including Samala, San Isidro and Tambor.
A first large hot lahar descended the Nima I river bed yesterday. The sulfur-smelling mud flow was about 25 m wide and 3 m deep, carrying blocks of up to 50 cm in diameter and pieces of tree trunks and branches of up to 2 m. On its passage near the observatory, it made the ground vibrate. The lahar drained into the Samala river.
Previous news
Thursday, May 29, 2014
The new lava flow on the eastern flank of the Caliente dome continues to advance slowly and produce avalanches. Small explosions occurred, generating ash plumes up to 700 m high. Rainfalls caused a medium-sized lahar in the Nima I river yesterday at dawn. [more]
Tuesday, May 27, 2014
A new viscous lava flow has started to slowly descend through the ravine on the eastern flank of the Caliente dome. Rock falls and strong degassing accompany this activity. [more]
Thursday, May 22, 2014
Following the partial collapse of the upper part of the Caliente lava dome on 9 May, the activity of Santiaguito has remained relatively low. ... [more]
Thursday, May 15, 2014
As expected, heavy rainfalls triggered a hot lahar (turbulent flow of mud, boulders and ash deposits mixed with water) that traveled down the Nima I river valley yesterday. The lahar carried lava blocks up to 2 m in diameter as well as many tree branches and trunks. ... [more]
Ash clouds from Santiaguito on the morning of 9 May 2014 (INSIVUMEH)
Saturday, May 10, 2014
A strong eruptive phase occurred yesterday from around 10 am local time and produced a series of pyroclastic flows that affected the southern and eastern slopes of the Caliente lava dome. Associated co-igimbrite ash plumes rose to estimated 7-8 km altitude. ... [more]

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