Monthly Archives: March 2009

Ash from Redoubt

After two months of restlessness and a day of heightened earthquake activity, Alaska’s Mount Redoubt Volcano erupted explosively on Sunday, March 22, 2009, at 10:38 p.m. Alaska Daylight Time, according to the Alaska Volcano Observatory. Overnight, four additional large eruptions … Continue reading

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Semeru, Eastern Java, Indonesia

Based on information from CVGHM, the Darwin VAAC reported that on 12 March an eruption from Semeru produced a plume to an altitude of 4.6 km (15,000 ft) a.s.l. Ash was not identified on satellite imagery. Sources: Darwin Volcanic Ash … Continue reading

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Redoubt, Alaska, USA

AVO reported that during 11-15 March seismic activity at Redoubt was low but remained above background levels. On 12, 14, and 15 March clear web camera views showed steam plumes that rose just above the summit. At about 1305 on … Continue reading

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Koryaksky, Kamchatka Peninsula, Russia

KVERT reported that seismic activity at Koryaksky was elevated on 6 and 8 March and at background levels on the other days during 7-13 March. Observers reported that gas plumes containing a small amount of ash rose to an altitude … Continue reading

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Hunga Ha’apai, Tonga

Observers flying near the area of Hunga Tonga-Hunga Ha’apai (about 62 km NNW of Nuku’alofa, the capital of Tonga) on 16 or 17 March reported seeing an eruption. Photos showed an eruption plume with a wide base that rose from … Continue reading

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Galeras, Colombia

INGEOMINAS reported an explosive eruption from Galeras that began at 1555 on 13 March; the Alert Level was raised from II (Orange; “probable eruption in term of days or weeks”) to I (Red; “imminent eruption or in progress”), on a … Continue reading

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Ebeko, Kuril Islands, Russia

Based on analysis of satellite imagery and information from Yelizovo Airport, the Tokyo VAAC reported that on 13 March an ash plume from Ebeko drifted E at an altitude of 0.6 km (2,000 ft) a.s.l. Source: Tokyo Volcanic Ash Advisory … Continue reading

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