(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20220528/1007Z
(3) Volcano:	Bezymianny (CAVW #300250)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	red
(6) Source:	KVERT
(7) Notice Number:	2022-49
(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 phase of the explosive eruption has ended, but the eruptive activity of the volcano with the removal of ash up to 5 km a.s.l. continues. Two ash plumes are observing at the satellite images. One of ash plume on the height of 9.5 km a.s.l. is extending for 212 km to the southeast of the volcano; and the other for 650 km 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:	4500-5000 m (14760-16400 ft) AMSL Time and method of ash plume/cloud height determination: 20220528/1000Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 100 km (62 mi) Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 107 deg Time and method of ash plume/cloud determination: 20220528/0930Z – Himawari-8
(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.