MT. KLYUCHEVSKOY VOLCANO, Kamchatka, Russia 56o11' N, 160o47' E Sunday, July 25, 1993 The summit eruption continues. According to visual observations made from a helicopter at 14:00 on July 25 (S. Zharinov and O. Braitseva), the gas and ash plume rising from the summit is as high as 3 km above the crater or 8 km ASL and extending to the northwest. Lava flows from the summit crater extend down the western slope of the volcano, entering and melting the glacier at about 3 km ASL. Seismic activity including tremor is stable but at a high level. According to additional helicopter observations made on July 26, the height and direction of the plume was about the same. Ashfall took place in the city of Klyuchi.