Current Klyuchevskoy status from KVERT:
Friday, July 20, 2007, 21:40 UTC (July 19, 10:40 KDT)
KLYUCHEVSKOY VOLCANO; 56°03′N, 160°39′E; Elevation 4,750 m
CURRENT LEVEL OF CONCERN COLOR CODE IS YELLOW
PREVIOUS LEVEL OF CONCERN COLOR CODE IS ORANGEActivity of Klyuchevskoy has decreased and KVERT is now assigning level of concern color code YELLOW to the volcano: seismic activity was at background levels during the past weak, and ash plumes were not noted for the last four days . Still, 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, ash plumes extended to the east and south-east at a height of 5.5 km (18,040 ft) ASL on July 13-15. Gas-steam activity was noted on July 12, 16 and 18 and the volcano was obscured by clouds on the other days. According to satellite data, ash plumes extended for about 37-86 km (23-53 mi) to the east from the volcano on July 13. Thermal anomaly was noted all days.
