(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170616/0543Z (3) Volcano:Bezymianny (CAVW #300250) (4) Current Aviation Color Code:RED (5) Previous Aviation Color Code:orange (6) Source:KVERT (7) Notice Number:2017-138 (8) Volcano Location:N 55 deg 58 min E 160 deg 35 min (9) Area:Kamchatka, Russia (10) Summit Elevation:9452.96 ft (2882 m)(11) Volcanic Activity Summary:According to the data by Tokyo VAAC, explosive event began at 0453 UTC on 16 June, 2017. At now an ash cloud in size 28x25 km drift to the north-east from the volcano. KVERT continues to monitor the volcano.\n\nAsh explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:32800-39360 ft (10000-12000 m) AMSL Time and method of ash plume/cloud height determination: 20170616/0510Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 25 mi (40 km)\nDirection of drift of ash plume/cloud of the volcano: NE / azimuth 50 deg \nTime and method of ash plume/cloud determination: 20170616/0510Z – 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 Aviation Color Code is changes. 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.