Report on Sheveluch (Russia) — 28 January-3 February 2009
Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 28 January-3 February 2009
Global Volcanism Program, 2009. Report on Sheveluch (Russia). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 28 January-3 February 2009. Smithsonian Institution and US Geological Survey.
Volcano Profile | Weekly Report (28 January-3 February 2009)
KVERT reported that seismic activity at Shiveluch was above background levels during 22-30 January. Based on interpretations of seismic data, ash plumes rose to altitudes of 7 km (23,000 ft) a.s.l. on 22 January and to an altitude of 4 km (13,100 ft) a.s.l. on the other days during the reporting period. Weak gas-and-steam activity was noted during 23-24 and 26-27 January. Analysis of satellite imagery revealed a large daily thermal anomaly over the lava dome. The Level of Concern Color Code remained at Orange.
Based on information from KEMSD, the Tokyo VAAC reported that eruptions on 30 January and 1 February produced plumes that rose to altitudes of 4.9-5.5 km (16,000-18,000 ft) a.s.l.