(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170614/2336Z (3) Volcano:Sheveluch (CAVW #300270) (4) Current Aviation Color Code:RED (5) Previous Aviation Color Code:red (6) Source:KVERT (7) Notice Number:2017-130 (8) Volcano Location:N 56 deg 38 min E 161 deg 18 min (9) Area:Kamchatka, Russia (10) Summit Elevation:10768.24 ft (3283 m), the dome elevation ~8200 ft (2500 m)(11) Volcanic Activity Summary:Activity of the volcano continues. Large ash cloud in size of 422x155 km (about 36 000 square km) is observing over Sheveluch volcano. Ash cloud with large content of ash particles (in size 84x55 km) is noting for about 131 km to the north-northeast (azimuth 11 degrees) from the volcano. But a general front of the largest ash cloud is noting for about 226 km to the north-east (azimuth 45 degrees) from the volcano, and the other - for about 194 kn to the south-west (azimuth 234 degrees) from the volcano. Activity of the volcano continues.\n\nExplosive-extrusive eruption of the volcano continues. Ash 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:26240-29520 ft (8000-9000 m) AMSL Time and method of ash plume/cloud height determination: 20170614/2230Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 140 mi (226 km)\nDirection of drift of ash plume/cloud of the volcano: NE / azimuth 45 deg \nTime and method of ash plume/cloud determination: 20170614/2230Z – 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.