MT. KLYUCHEVSKOY VOLCANO, Kamchatka, Russia 56o11'N, 160o47'E Thursday, September 30, 1993 There is a weak fumarolic activity in crater. The seismicity is about at background levels. decreasing seismicity. 25) to 45 minutes per day (October 28). The amplitude of volcanic duration of volcanic tremor decreased from 8 hours per day (October The volcano has been obscured by clouds for the past four days. The