(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20231017/0527Z
 (3) Volcano:Bezymianny (CAVW #300250)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2023-115
 (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:An extrusive eruption of the volcano continues. Satellite data by KVERT showed an ash plume extending about 86 km to the north-east of the volcano.

An extrusive eruption of the volcano continues. Ash explosions up to 10-15 km (32,800-49,200 ft) a.s.l. could occur during next 1-3 days. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:4000-4500 m (13120-14760 ft) AMSL Time and method of ash plume/cloud height determination: 20231017/0450Z – Himawari-9 14m15
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 86 km (53 mi)
Direction of drift of ash plume/cloud of the volcano: NE / azimuth 38 deg
Time and method of ash plume/cloud determination: 20231017/0450Z – Himawari-9 14m15
(14) Remarks:
(15) Contacts: Dmitry V. Melnikov, IVS FEB RAS
dvm@kscnet.ru

Duty 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/.

In 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.