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mar, 22 gen 2013, 08:17
Seismicity continues to be slightly elevated. ... leggere tutti
Mon, 21 Jan 2013, 06:17
Seismic recording at Mt Spurr volcano (CKT station, AVO)
Small local earthquakes continue to appear on seismic recordings. ... leggere tutti
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 vulcano eruzioni

stratovulcano 3374 m / 11,070 ft
Cook Inlet, SW Alaska, 61.3°N / -152.25°W
Elenco di eruzione: 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)
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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