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Korovin volcano (Andreanof Islands, Aleutian Islands): Volcanic Alert Level raised to Yellow

Thu, 29 Oct 2020, 07:02
07:02 AM | BY: MARTIN
A minor steam plume from Korovin volcano on 26 October from satellite (image: WorldView-1 satellite)
A minor steam plume from Korovin volcano on 26 October from satellite (image: WorldView-1 satellite)
The Alaska Volcano Observatory (AVO) reported that the alert level for the volcano was raised to "yellow", as an increase of seismic activity and sulfur dioxide emissions has been recorded.
The instruments record volcano-tectonic earthquakes over the past two weeks associated with sulfur dioxide (SO2) deggasing detected on 15, 20 and 26 October.
AVO will continue to monitor the volcano for signs of volcanic activity.
Source: Alaska Volcano Observatory volcano activity update 29 October 2020

Previous news

Wed, 28 Oct 2020, 06:00
On 28 October AVO raised the Aviation Color Code and Volcano Alert Level for Korovin to Yellow and Advisory, respectively, noting that activity was above background levels. Discrete earthquakes were detected over the previous two weeks and sulfur dioxide emissions were identified four times in satellite data on 15, 20, and 26 October. Low-level seismicity continued and no surficial activity was evident in cloudy or partly cloudy satellite images through 3 November. ... Read all
Wed, 1 Nov 2006, 06:00
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. ... Read all
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