Jul 27 2007
Klyuchevskoy Weekly Update
Klyuchevskoy weekly update from KVERT:
KLYUCHEVSKOY VOLCANO: 56°03′N, 160°39′E; Elevation 4,750 m
CURRENT LEVEL OF CONCERN COLOR CODE IS YELLOWActivity of the volcano decreased. But sudden ash explosions up to 6 km (19,700 ft.) ASL could affect international and low-flying aircraft.
Seismic activity was at background levels last week, weak continuous spasmodic volcanic tremor and a few shallow earthquakes were registered. According to video and visual data, gas-steam activity was noted on July 20-24 and the volcano was obscured by clouds on the other days. According to satellite data, thermal anomaly was noted on July 19, 20-23.

