Shiveluch, Russia

KVERT reported that seismic activity at Shiveluch was above background levels during 19-26 December. Based on interpretations of seismic data, ash plumes rose to an altitude of 8.5 km (27,800 ft) a.s.l. on 19 and 20 December and to an altitude of 5 km (16,400 ft) a.s.l. during 21-26 December. An ash plume was seen on 22 December at an altitude of 5 km (16,400 ft) a.s.l. and gas-and-steam emissions were noted on 23 and 24 December. Analysis of satellite imagery revealed a daily thermal anomaly on the lava dome. The Level of Concern Color Code remained at Orange.

Based on information from KEMSD and analysis of satellite imagery, the Tokyo VAAC reported that during 26-27 and 30 December eruptions produced plumes to altitudes of 5.5-7 km (18,000-23,000 ft) a.s.l.

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

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