(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20180810/2217Z (3) Volcano:Ebeko (CAVW #290380) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2018-69 (8) Volcano Location:N 50 deg 41 min E 156 deg 0 min (9) Area:Northern Kuriles, Russia (10) Summit Elevation:3791.68 ft (1156 m)(11) Volcanic Activity Summary:A moderate explosive activity of the volcano continues. Satellite data by KVERT showed an ash cloud in size 11x14 km drift for about 26 km to the east-south-east from the volcano. \n\nA moderate gas-steam with some amount of ash activity of the volcano continues. Ash explosions up to 19,700 ft (6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft and airport of Severo-Kurilsk. (12) Volcanic cloud height:6560-8200 ft (2000-2500 m) AMSL Time and method of ash plume/cloud height determination: 20180810/2130Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 16 mi (26 km)\nDirection of drift of ash plume/cloud of the volcano: ESE / azimuth 118 deg \nTime and method of ash plume/cloud determination: 20180810/2130Z – Himawari-8(14) Remarks:(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS\ngirina@kscnet.ru +74152202044\n\nDuty scientist: +79622825253 (16) Next Notice:A new VONA will be issued if conditions change significantly or the colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php.\n\nIn 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.