KVERT reported that fumarolic activity from Kliuchevskoi was seen during 2-6 and 8-9 October. During approximately 4-9 October analysis of satellite imagery revealed a thermal anomaly in the crater; seismic activity was above background levels. On 8 October after KVERT staff detected Strombolian activity in the summit crater the level of Concern Color Code was raised to Orange.
Sources: Kamchatkan Volcanic Eruption Response Team (KVERT) – “Report provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”
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Volcano World : Supplement 