(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20220528/0440Z
(3) Volcano:	Bezymianny (CAVW #300250)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2022-45
(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 extrusive-effusive eruption of the volcano continues, a strong fumarole activity, and an incandescence of the lava dome, and hot avalanches accompanies this process. Satellite data by KVERT show the ash plume is extending for 255 km to the south-east of the volcano. The extrusive-effusive eruption of the volcano continues. Ash explosions up to 10 km (32,800 ft) a.s.l. could occur at any time. 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: 20220528/0430Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 255 km (158 mi) Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 123 deg Time and method of ash plume/cloud determination: 20220528/0410Z – Himawari-8
(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.