Shiveluch, Kamchatka, Russia

KVERT reported that seismic activity at Shiveluch was above background levels during 23-30 November. Based on seismic interpretation, ash plumes rose to an altitude of 6 km (19,700 ft) a.s.l. and hot avalanches occurred. Visual observations and video footage analysis indicated that gas-and-steam plumes rose to an altitude of 5 km (16,400 ft) a.s.l. on 22 and 26-29 November. Based on observations of satellite imagery, ash plumes drifted SW, NW, N, and SE on 26, 27, and 28 November and a thermal anomaly was present in the crater every day during the reporting period. The Level of Concern Color Code remained at Orange.

Based on information from the KEMSD, the Tokyo VAAC reported that eruption plumes rose to altitudes of 5.5 km and 5.8 km (18,000 ft and 19,000 ft) a.s.l. on 30 November and 2 December, respectively.

Sources: Kamchatkan Volcanic Eruption Response Team (KVERT), Tokyo Volcanic Ash Advisory Center (VAAC) – “Report provided courtesy of the Smithsonian’s Global Volcanism Program and the US .Geological Survey’s Volcano Hazards Program.”

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