Cumbal volcan

Mise à jour: 14 août. 2022 22:51 GMT - Refresh
stratovolcan 4764 m / 15,630 feet
Colombie, 0.95°N / -77.87°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 15 déc. 2021

Cumbal volcano is an active glacier-capped stratovolcano in SW Colombia, located 25 km SW of Azufral volcano and 5.5 km NE of the town of Cumbal - Pueblo.
Cumbal is the southernmost active volcano of Colombia that has erupted in historic times.
A young lava dome occupies the 250-m-wide summit crater, and eruptions from the upper east flank produced a 6-km-long lava field. Thermal springs occur on the SE flanks.

Montrer carte interactive
Style éruptif tipique: effusive, mildly explosive
Eruptions du volcan Cumbal: 1926, 1877
Derniers séismes proches:
HeureMag. / ProfondeurDistance/Lieu
samedi, 6 août 2022 GMT (1 séisme)
6 août 2022 00:34 (GMT -5) (6 août. 2022 05:34 GMT)
4.0

1 km
20 km (12 mi)
25 km à l'ouest de Tulcán, Canton Tulcan, Provincia del Carchi, Équateur
jeudi, 4 août 2022 GMT (2 séismes)
4 août 2022 15:30 (GMT -5) (4 août. 2022 20:30 GMT)
3.4

6 km
14 km (8.7 mi)
17 km à l'ouest de Ipiales, Departamento de Nariño, Colombie
4 août 2022 07:47 (GMT -5) (4 août. 2022 12:47 GMT)
3.8

5 km
15 km (9.3 mi)
Departamento de Nariño, Colombie, 24 km à l'ouest de Tulcán, Équateur

Introduction

Cumbal volcano is elongated in a NE-SW direction and composed primarily of andesitic-dacitic lava flows, including many geologically young ones. Over time, the active vents seem to have migrated SW-wards:
The 2 active craters, the main crater on the NE side and Mundo Nuevo crater on the SW side have active fumaroles and sulphur deposits and built the summit ridge, while the oldest vents are located NNE of Cumbal and Mundo Nuevo craters.

1988 volcanic unrest
Seismic unrest and an increase in fumarolic activity occurred in 1988, simultaneously with nearby Galeras volcano.

See also: Sentinel hub | Landsat 8 | NASA FIRMS
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