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Fotos al azar
News
martes, ene 22, 2013
Seismicity continues to be slightly elevated. [Leer más]
Seismic recording at Mt Spurr volcano (CKT station, AVO)
lunes, ene 21, 2013
Pequeños terremotos locales seguirán apareciendo en grabaciones sísmicas. [Leer más]
Location map of Spurr Volcano, Cook Inlet region, Alaska (courtesy of Janet Schaefer, Alaska Volcano Observatory / USGS)
Location map of Spurr Volcano, Cook Inlet region, Alaska (courtesy of Janet Schaefer, Alaska Volcano Observatory / USGS)
 

Spurr volcano erupciones

estratovolcán 3374 m / 11,070 ft
Cook Inlet, SW Alaska, 61.3°N / -152.25°W
Lista de erupción: 1992 (Crater Peak), 1965 (?, Spurr), 1953 (Crater Peak)
tephrochronology and radiocarbon dated: 1650 ± 50 years, 3250 BC ?, 4050 BC ?, 5110 BC ± 100 years, 6050 BC


1992 eruption
The subplinian eruption column of Mt Spurr volcano during the 18 Aug 1992 eruption (photo: Game McGimsey, AVO / USGS)A large, subplinian eruption occurred in 1992 at Mt Spurr volcano. There were 3 main explosions, on 27 June, 18 August and 16-17 September. The eruption produced ash columns up to 13.5 km high and ashfall in several hundred km distance.

1953 eruption
A VEI 4 explosive eruption occurred at Crater Peak from 9-16 July 1953. It produced major ash fall (up to 6 mm in Anchorage) and lahars on the flanks and the base of the volcano.
 

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