(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20220528/0726Z
 (3) Volcano:Bezymianny (CAVW #300250)
 (4) Current aviation colour code:RED
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2022-47
 (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 strong explosive eruption of the colcano occurr. Explosions sent ash up to 10-12 km a.s.l., ash plume extended to the southeast of the volcano.

The explosive eruption of the volcano continues. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:10000-12000 m (32800-39360 ft) AMSL Time and method of ash plume/cloud height determination: 20220528/0720Z – Video data
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 20 km (12 mi)
Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 121 deg
Time and method of ash plume/cloud determination: 20220528/0720Z – Video data
(14) Remarks:
(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS
girina@kscnet.ru +74152202044

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.