Monthly Archives: December 2008

Soufriére Hills, Montserrat, West Indies

MVO reported that seismicity from Soufrière Hills lava dome remained elevated during 6-10 December. On 10 December, seven pyroclastic flows traveled W down Gages Valley, at least two reached Plymouth (about 5 km W). A few small pyroclastic flows were … Continue reading

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Sangay, Ecuador

Based on analysis of satellite imagery, the Washington VAAC reported that a small gas-and-steam plume with some ash rose from Sangay on 16 December. Source: Washington Volcanic Ash Advisory Center (VAAC)   – “Reports provided courtesy of the Smithsonian’s Global Volcanism … Continue reading

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Piton de la Fournaise, Reunion Island, Indian Ocean

OVPDLF reported that a seismic crisis at Piton de la Fournaise on 14 December was characterized by hundreds of earthquakes, many greater than M 2.5. On 15 December, an eruption began from two fissures inside Dolomieu crater and produced low-velocity … Continue reading

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Nevado Del Huila, Colombia

INGEOMINAS reported that during 12-16 December steam-and-gas plumes drifting SE and SW from Nevado del Huila were seen on a video camera rising to an altitude of 6.9 km (22,600 ft) a.s.l. A video camera was set up SSW of … Continue reading

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Kliuchevskoi, Kamchatka, Russia

KVERT reported that seismic activity at Kliuchevskoi was above background levels during 5-12 December. Strombolian activity ejected bombs 500 m above the crater and lava effusion on the NW flank continued. Phreatic bursts occurred where the lava flow front contacted … Continue reading

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Chaitén, Chile

SERNAGEOMIN reported that during 25 November-15 December gas-and-steam plumes with variable amounts of ash rose from Chaitén to altitudes of 2.6-3.1 km (8,500-10,200 ft) a.s.l. and drifted E. Intense gas emissions came from the S flank of the first new … Continue reading

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