(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170803/0256Z (3) Volcano:Karymsky (CAVW #300130) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:orange (6) Source:KVERT (7) Notice Number:2017-175 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min (9) Area:Kamchatka, Russia (10) Summit Elevation:4874.08 ft (1486 m)(11) Volcanic Activity Summary:Satellite data by KVERT showed an ash plume up to 31 km to south-east from the volcano.\n\nModerate eruptive activity of the volcano continues. Ash explosions up to 16,400-19,700 ft (5-6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft. (12) Volcanic cloud height:6560 ft (2000 m) AMSL Time and method of ash plume/cloud height determination: 20170803/0133Z – MODIS AQUA (31m32)(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 19 mi (31 km)\nDirection of drift of ash plume/cloud of the volcano: ESE / azimuth 119 deg \nTime and method of ash plume/cloud determination: 20170803/0133Z – Himawari-8\nDuration of explosion: ~ 120 minutes(14) Remarks:(15) Contacts: Dmitry V. Melnikov, IVS FEB RAS\ndvm@kscnet.ru \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.