Tag Archives: Anatahan

Anatahan, Mariana Islands, United States

The USGS reported that seismic tremor levels at Anatahan were relatively low during 8-13 February, except for short-lived increases during 8-9 and 12-13 February. On 9 February, a diffuse steam plume that possibly contained ash was observed on satellite imagery … Continue reading

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Anatahan, Mariana Islands, United States

The USGS reported that during 29 December-5 January 2008, low-level steaming and sulfur dioxide emission from Anatahan were visible on satellite imagery. Seismicity briefly increased on 2 January and then diminished. A report suggested that the lake level in the … Continue reading

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Anatahan, Mariana Islands, United States

Low-level tremor at Anatahan continued during 21-29 December. On 31 December, the Washington VAAC reported that a gas-and-steam plume with low ash content was visible on satellite imagery and drifted NW. The Volcanic Alert Level remained at Advisory and the … Continue reading

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Anatahan, Mariana Islands, United States

Low-level tremor at Anatahan continued during 14-21 December. On 14 December, the Washington VAAC reported that a steam plume was visible on satellite data.The Volcanic Alert Level remained at Advisory and the Aviation Color Code remained at Yellow. Source: Emergency … Continue reading

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Anatahan, Mariana Islands, United States

Low-level tremor at Anatahan continued during 30 November-7 December. The Volcanic Alert Level remained at Advisory and the Aviation Color Code remained at Yellow. Source: Emergency Management Office of the Commonwealth of the Mariana Islands and the US Geological Survey … Continue reading

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Anatahan, Mariana Islands, United States

The amplitude of volcanic tremor at Anatahan gradually increased through October and November and small explosions occurred during the last week of November. On 29 November, the Volcanic Alert Level was raised to Advisory and the Aviation Color Code was … Continue reading

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