(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20231018/0917Z (3) Volcano:Bezymianny (CAVW #300250) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:red (6) Source:KVERT (7) Notice Number:2023-118 (8) Volcano Location:N 55 deg 58 min E 160 deg 35 min (9) Area:Kamchatka, Russia (10) Summit Elevation:2882 m (9452.96 ft)(11) Volcanic Activity Summary:The paroxysmal explosive eruption of the Bezymianny volcano has ended. However, a long ash cloud 250x70 km in size continues to move north-northeast from the volcano at an altitude of approximately 8 km a.s.l. At 08:30 UTC on 18 October, the northern edge of the ash cloud was located 268 km north-northeast of the volcano.\n\nThe eruptive cloud continues to move north-northeast from the volcano at an altitude of 8 km a.s.l. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:NO ASH CLOUD PRODUSED(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED(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 colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/.\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.