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Cerro Negro de Mayasquer volcan

Mise à jour: 29 sept.. 2022 04:19 GMT -
stratovolcan 4445 m / 14,583 ft
Colombie, 0.83°N / -77.96°W
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Last update: 30 juil. 2022 (seismic unrest continues)

Cerro Negro de Mayasquer (Chiles-Cerro Negro volcano) is an andesitic to dacitic stratovolcano on the Colombia-Ecuador border. It contains a caldera open to the west.
An historical eruption reported in 1936 is probably false and may have been from Reventador volcano. Solfataras are found on the shore of a small crater lake.

Montrer carte interactive
Style éruptif tipique: explosive
Eruptions du volcan Cerro Negro de Mayasquer: 1936(?)

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
dimanche, 25 septembre 2022 GMT (2 séismes)
25 sept. 2022 06:47 (GMT -5) (25 sept.. 2022 11:47 GMT)

9.2 km
72 km (45 mi)
44 km au sud de Pasto, Departamento de Nariño, Colombie
24 sept. 2022 19:06 (GMT -5) (25 sept.. 2022 00:06 GMT)

8.8 km
50 km (31 mi)
15 km au nord-est de Ipiales, Departamento de Nariño, Colombie
samedi, 24 septembre 2022 GMT (1 séisme)
24 sept. 2022 05:47 (GMT -5) (24 sept.. 2022 10:47 GMT)

5 km
1.7 km (1.1 mi)
Departamento de Nariño, Colombie, 26 km à l'ouest de Tulcán, Équateur


The higher and glacier-covered summit of the extinct Chiles stratovolcano lies only 3 km to the SE. Chiles last erupted about 160,000 years ago, but still has hot springs and an active hydrothermal system at its eastern flank.

See also: Sentinel hub | Landsat 8 | NASA FIRMS
sam., 30 juil. 2022, 09:40

Cerro Negro de Mayasquer volcano (Colombia-Ecuador): seismic unrest continues

Distribution of earthquakes in the Chiles-Cerro Negro (orange dots) and the Potrerillos-Chalpatán (red dots), including M 5.2 quake (yellow star) (image: IGEPN)
The seismic activity continues to be elevated. ... Read all
mer., 27 juil. 2022, 14:00

Chiles-Cerro Negro volcano (Colombia-Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 July-26 July 2022 (Continuing Activity)

Instituto Geofísico de la Escuela Politécnica Nacional (IGEPN) and the Observatorio Vulcanológico y Sismológico de Pasto del Servicio Geológico Colombiano (SGC OVSP) both monitor the Cerro Negro de Mayasquer and Chiles volcanoes, called the Chiles-Cerro Negro volcanic complex (CCNVC), and both issued reports on the seismic swarm that began on 27 May. This seismicity was mainly characterized by VT earthquakes, typically indicating rock fracturing events. The swarm continued during 12-26 July, though the number and size of events were variable. ... Read all
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