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Korovin volcano (Andreanof Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 November-7 November 2006 (New Activity / Unrest)

Wed, 1 Nov 2006, 06:00
06:00 AM | BY: VN
The number of daily earthquakes increased in July and remained elevated into November. Episodes of volcanic tremor that first occurred in September increased in number, strength, and duration in the past several weeks. On 28 October, residents of Atka observed steam emissions to many hundreds of meters above the summit.
On 6 November, the AVO raised the Aviation Level of Concern Color Code to Yellow and the Volcanic Alert Level to Advisory due to the high seismicity and steam emissions.

Source: US Geological Survey Alaska Volcano Observatory (AVO)
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From: Global Volcanism Program, 2006. Report on Korovin. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 1 November-7 November 2006. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 8 Mar 2006, 06:00
AVO decreased the Concern Color Code at Korovin from Yellow to Green (the lowest level) on 8 March. After raising the Concern Color Code on 22 February in response to increased seismicity, the rate of micro-earthquakes stabilized and then declined. During 1-8 March, seismicity was near background levels and no unusual activity was seen on satellite imagery or by observers. ... Read all
Wed, 1 Mar 2006, 06:00
Seismicity at Korovin remained slightly above background levels during 24 February to 3 March. Clouds obscured satellite views of the volcano, and AVO received no reports of activity. There were no indications that an eruption was imminent. The volcano remained at Concern Color Code Yellow. ... Read all
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