Monthly Archives: November 2008

Batu Tara, Komba Island, Indonesia

Based on analysis of satellite imagery, the Darwin VAAC reported that during 9-10 November ash plumes from Batu Tara rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted NW. Source: Darwin Volcanic Ash Advisory Centre (VAAC) – … Continue reading

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Reventador, Ecuador

The IG reported that SOTE (Sistema de Oleoducto Transecuatoriano) personnel and residents near Reventador observed incandescence in the crater on 7 November. The reports were confirmed by the presence of thermal anomalies in satellite imagery. The next day, seismicity increased … Continue reading

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Redoubt, Alaska, USA

On 5 November, AVO raised the Aviation Color Code for Redoubt to Yellow and the Volcano Alert Level to Advisory because of significant changes in gas emission and heat output during the previous several months. The changes were a departure … Continue reading

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Nevado Del Huila, Colombia

On 7 November, INGEOMINAS raised the Alert Level for Nevado del Huila to Orange (on a 4-color scale where Orange is the second highest) due to increased seismicity and the probability of ash and gas emissions. During an overflight on … Continue reading

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Machín, Colombia

Observatory Vulcanológico and Sismológico de Manizales reported a seismic crisis at Cerro Machín on 9 November. The majority of the earthquakes occurred underneath the central and E parts of the lava dome complex in the summit caldera, at depths of … Continue reading

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Dalaffilla, Ethiopia

An eruption of a volcano NW of Erta Ale in Ethiopia’s Afar region began on 3 November. Satellite imagery showed a large sulfur dioxide cloud that drifted E over the Arabian Peninsula. According to news articles, observers reported ground shaking, … Continue reading

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