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Melimoyu VulkanSchichtvulkan 2400 m / 7,874 ft
Argentinien/Chile (Süden), South America, -44.08°S / -72.88°W Aktueller Status: nicht aktiv (1 von 5)
Typische Aktivität: Explosiv
Ausbrüche des Melimoyu: 200 AD ± 75 years, 820 BC ± 100 years (radiocarbon dated) Letzte Erdbeben in der Nähe:
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) |
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