(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20231019/2103Z
(3) Volcano:	Bezymianny (CAVW #300250)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	yellow
(6) Source:	KVERT
(7) Notice Number:	2023-120
(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-effusive eruption of the volcano continues. Satellite data by KVERT showed an ash plume extending about 100 km to the east-north-east of the volcano. An extrusive-effusive eruption of the volcano continues. Ongoing activity could affect low-flying aircraft
(12) Volcanic cloud height:	4000-4500 m (13120-14760 ft) AMSL Time and method of ash plume/cloud height determination: 20231019/2020Z – Himawari-9 14m15
(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: ENE / azimuth 78 deg Time and method of ash plume/cloud determination: 20231019/2020Z – Himawari-9 14m15 Start time of explosion and how determined: 20231019/1440Z – Satellite data
(14) Remarks:
(15) Contacts:	Alexander G. Manevich, IVS FEB RAS mag@kscnet.ru +74152202115 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.