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Santa Maria volcano satellite image (c) Google Earth View
Santa Maria volcano satellite image (c) Google Earth View
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)
Typical eruption style:
Dominant explosieve, vorming van lavakoepels
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Volcano news: Santa Maria (Guatemala)

Santiaguito volcano (Guatemala): large hot lahars threaten volcano observatory

za, 7 jun 2014, 08:14
08:14 AM | DOOR: T
Location of the volcano observatory at Santiaguito (image: Culture Volcan / google earth)
Location of the volcano observatory at Santiaguito (image: Culture Volcan / google earth)
The tropical storm Boris that has been hitting the country over the past days continues to produce heavy rainfalls that in turn cause large mud flows.
The large collapse of parts of the lava dome on 9 May has left significant amounts of hot debris at the foot of the volcano, in particular in the upper river bed of the Nima 1. These deposits are now being remobilized and descend the river beds as boiling hot mud flows that contain boulders, tree parts and other debris of up to several meters in size and are extremely destructive.
CONRED has issued warnings to avoid all areas near river beds and deltas.
The videos below were shot at Castillo Armas Bridge, located 20 miles away. The mudslide had time to mix with colder waters of the river, but the flow still steams due to the hot masses that were incorporated into the lahar:

Another consequence of the current lahars was that INSIVUMEH staff was forced to evacuate the Santiaguito Volcano Observatory, even though it is located approx. 100 m away and 10 m above the river bed. INSIVUMEH describes that the building was threatened by mud waves 5-9 m height, and that boulders of 5 meters in diameter could be seen carried by the flow.
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Koppelingen / Bronnen:
  • Les lahars chauds du volcan Santiaguito: évacuation de l'Observatoire (Culture Volcan)
Vorig nieuws
Tue, 3 Jun 2014, 07:46
Ongoing heavy rainfalls continue to trigger strong lahars, particularly through the Nimá I and San Isidro rivers. ... Lees alle
Fri, 30 May 2014, 09:06
Lahar in the Tambor river yesterday (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. Lees alle
Thu, 29 May 2014, 09:16
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. ... Lees alle
Tue, 27 May 2014, 15:39
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. ... Lees alle
Thu, 22 May 2014, 07:37
Following the partial collapse of the upper part of the Caliente lava dome on 9 May, the activity of Santiaguito has remained relatively low. Lees alle
 

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