Martin volcan

Mise à jour: 8 août. 2022 13:54 GMT - Refresh
Stratovolcano 1863 m / 6,112 ft
Alaska Peninsula, USA, 58.17°N / -155.36°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 13 déc. 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

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Style éruptif tipique: unspecified
Eruptions du volcan Martin: 1953 
Derniers séismes proches:
HeureMag. / ProfondeurDistance/Lieu
mardi, 2 août 2022 GMT (1 séisme)
2 août 2022 12:49 (GMT -8) (2 août. 2022 20:49 GMT)
2.2

159 km
37 km (23 mi)
58 Km ESE of King Salmon, Alaska

Introduction

The mostly ice-covered Mount Martin stratovolcano lies at the SW end of the Katmai volcano cluster in Katmai National Park. The volcano was named for George C. Martin, the first person to visit and describe the Katmai area after the 1912 eruption. Mount Martin is capped by a 300-m-wide summit crater, which is ice-free because of an almost-constant steam plume and contains a shallow acidic lake. The edifice of Martin volcano overlies glaciated lava flows of the adjacent mid- to late-Pleistocene Alagoshak volcano on the WSW and was constructed entirely during the Holocene. Mount Martin consists of a small fragmental cone that was the source of ten thick overlapping blocky dacitic lava flows, largely uneroded by glaciers, that descend 10 km to the NW, cover 31 sq km, and form about 95% of the eruptive volume of the volcano. Two reports of historical eruptions that originated from uncertain sources were attributed by Muller et al. (1954) to Martin.
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Smithsonian / GVP volcano information

Martin Photos

Mt Pelée volcano on Martinique Island (Photo: Richard Arculus)
Mt Pelée volcano on Martinique Island (Photo: Richard Arculus)
Ruth and Martina waiting for dinner. (Photo: Tom Pfeiffer)
Ruth and Martina waiting for dinner. (Photo: Tom Pfeiffer)
Martin taking pictures, while others just wake up to admire the lava flow in front of us again. (Photo: Tom Pfeiffer)
Martin taking pictures, while others just wake up to admire the lava flow in front of us again. (Photo: Tom Pfeiffer)
Thorsten and Martin at work (Photo: Tom Pfeiffer)
Thorsten and Martin at work (Photo: Tom Pfeiffer)
 



See also: Sentinel hub | Landsat 8 | NASA FIRMS
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