(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20190120/2058Z (3) Volcano:Bezymianny (CAVW #300250) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:yellow (6) Source:KVERT (7) Notice Number:2019-20 (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:An explosive event up to 10 km a.s.l. occurred on ~16:10 UTC based on satellite data. An ash plume drifted about 300 km to the west-north-west from the volcano on 19:08 UTC.\n\nA moderate activity of the volcano continues. Ash explosions up to 26,240 ft (8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircrafts. (12) Volcanic cloud height:16400-19680 ft (5000-6000 m) AMSL Time and method of ash plume/cloud height determination: 20190120/1908Z – NOAA 19 (4m5)(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 186 mi (300 km)\nDirection of drift of ash plume/cloud of the volcano: WNW / azimuth 297 deg \nTime and method of ash plume/cloud determination: 20190120/1908Z – NOAA 19 (4m5)(14) Remarks:(15) Contacts: Alexander G. Manevich, IVS FEB RAS\nmag@kscnet.ru +74152202115\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.