VONA/KVERT DAILY REPORT Kamchatkan and Northern Kuriles Volcanic Activity May 25, 2017, all time is UTC SHEVELUCH VOLCANO (CAVW #300270) 56.64 N, 161.32 E; Elevation 10768 ft (3283 m), the dome elevation ~8200 ft (2500 m) Aviation Color Code is ORANGE A growth of the lava dome continues, moderate explosions, fumarolic activity and incandescence of the dome summit and hot avalanches accompanies this process. Video and satellite data by KVERT showed: explosions sent ash up to 4 km a.s.l., and ash plume extended for about 85 km to the south-east from the volcano; two ash cloud from yesterday explosions continued to drift for about 715 km to the east-south-east from the volcano; a thermal anomaly over the lava dome. KLYUCHEVSKOY VOLCANO (CAVW #300260) 56.06 N, 160.64 E; Elevation 15580 ft (4750 m) Aviation Color Code is ORANGE A moderate gas-steam activity of the volcano continues. According to satellite data by KVERT, a weak thermal anomaly over the volcano was noted. EBEKO VOLCANO (CAVW #290380) 50.69 N, 156.01 E; Elevation 3792 ft (1156 m) Aviation Color Code is ORANGE A moderate activity of the volcano continues. Satellite data by KVERT showed the volcano was obscured by clouds. BEZYMIANNY VOLCANO (CAVW #300250) 55.97 N, 160.6 E; Elevation 9453 ft (2882 m) Aviation Color Code is YELLOW A gas-steam activity of the volcano continues. Satellite data by KVERT showed a thermal anomaly over the volcano. CONTACT INFORMATION: Duty scientist: Olga A. Girina, E-mail: girina@kscnet.ru Tel. Duty scientist: +79622825253 Head of KVERT Dr. Olga A. Girina, E-mail: girina@kscnet.ru Tel.: +74152202044 In Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FEB RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users. The daily satellite monitoring for 36 volcanoes of Kamchatkan and Northern Kuriles are producing of KVERT. KVERT web-page (the Institute of Volcanology and Seismology FEB RAS): http://www.kscnet.ru/ivs/kvert/index_eng.php.