Ghegam volcan

stratovolcano, cinder cones 3597 m
Armenia, 40.23°N / 44.95°E
Condition actuelle: normal / en sommeil (1 sur 5)

The Ghegam Ridge, located in west-central Armenia between the capital city of Yerevan and Lake Sevan, contains a broad concentration of lava domes and pyroclastic cones of Pleistocene-to-Holocene age.

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Style éruptif tipique: explosive
Eruptions du volcan Ghegam: none in historic times

Latest nearby earthquakes

HeureMag. / ProfondeurDistance/Lieu
Thu, 17 Jun 2021 (GMT) (1 séisme)
17 Jun 2021 06:42:26 GMT
2.7

10 km
32 km (20 mi)
31 km au nord-est de Ararat, Arménie

Introduction

The volcanoes and associated lava flows cover a 65-km-long, 35-km-wide area west of Lake Sevan and south of the Hrazdan River and are concentrated along 3 NNW-SSE-trending alignments. Lava flows from the central and eastern clusters flowed into Lake Sevan. Initial explosive eruptions at the Ghegam Ridge volcanic field were followed by the extrusion of rhyolitic obsidian lava domes and flows. The latest activity produced a series of andesitic and basaltic-andesite cinder cones and lava flows. The central and eastern portions of the Ghegam Ridge contains large areas of Holocene eruptions with morphologically fresh lava flows devoid of vegetation.


Voyages au volcan Ghegam :
Armenia - Land of Volcanoes and History (11 days walking & study tour to Armenia)

See also: Sentinel hub | Landsat 8
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