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Melimoyu volcan

stratovolcan 2400 m / 7,874 ft
Argentine/Chili (sud), South America, -44.08°S / -72.88°W
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Melimoyu livres
Style éruptif tipique: explosive
Eruptions du volcan Melimoyu: 200 AD ± 75 years, 820 BC ± 100 years (radiocarbon dated)
HeureMag. / DepthDistanceLocation
Tue, 12 Nov 2019
Tue, 12 Nov 15:02 UTCM 2.5 / 7.9 km18 km63 km al NO de Puerto Cisnes (Chile)
Melimoyu is an active stratovolcano in southern Chile, 40 km NW of the town of Puyuhuapi and 135 km south of Chaiten volcano.
The volcano has an 8 km wide ice-filled caldera, which is largely filled by a younger edifice and is drained by a glacier flowing through a gap in the NE caldera rim. The basaltic-andesite volcano is elongated 10 km in an E-W direction and has several cinder cones and a 1 km wide summit crater.
Two large explosive eruptions have been identified at Melimoyu volcano from tephra layers (MEL-1 and MEL-2) and been dated to ca. 1800 and 2800 years ago.

2010 Seismic unrest
A weak seismic swarm occurred at Melimoyu volcano in May and June 2010 and its alert level was raised to 2 (Green) on 8 June, 2010.
Increased seismic activity was detected during May. 9 long-period earthquakes were measured on 27 May. The next day 6 long-period earthquakes preceded 2 separate seismic swarms, located 2-12 km and 7-14 km south beneath the summit. All earthquakes were M 2.5 or less.
(GVP monthly reports)

Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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