(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170916/2341Z (3) Volcano:Zhupanovsky (CAVW #300120) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:green (6) Source:KVERT (7) Notice Number:2017-233 (8) Volcano Location:N 53 deg 35 min E 159 deg 8 min (9) Area:Kamchatka, Russia (10) Summit Elevation:9702.24 ft (2958 m)(11) Volcanic Activity Summary:According to visual data from IVS FED RAS, an ash explosion of Zhupanovsky volcano was observed between Avachinsky and Koryaksky volcanoes. A height of ash explosions was about 6-7 km a.s.l.\n\nAsh explosions up to 19,700-26,240 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:19680-22960 ft (6000-7000 m) AMSL Time and method of ash plume/cloud height determination: 20170916/2320Z – Visual data(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 12 mi (20 km)\nDirection of drift of ash plume/cloud of the volcano: SW / azimuth 230 deg \nTime and method of ash plume/cloud determination: 20170916/2320Z – Visual data(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.