(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20170612/0314Z
(3) Volcano:	Klyuchevskoy (CAVW #300260)
(4) Current Aviation Color Code:	ORANGE
(5) Previous Aviation Color Code:	orange
(6) Source:	KVERT
(7) Notice Number:	2017-124
(8) Volcano Location:	N 56 deg 3 min E 160 deg 38 min
(9) Area:	Kamchatka, Russia
(10) Summit Elevation:	15580 ft (4750 m)
(11) Volcanic Activity Summary:	Explosive eruption of the volcano continues. Explosions send ash up to 6.0-6.5 km a.s.l. and ash plume drift for about 246 km to the south from the volcano. Explosive eruption of the volcano continues. Ash explosions up to 26,200 ft (8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:	19680-21320 ft (6000-6500 m) AMSL Time and method of ash plume/cloud height determination: 20170612/0310Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 153 mi (246 km) Direction of drift of ash plume/cloud of the volcano: S / azimuth 175 deg Time and method of ash plume/cloud determination: 20170612/0230Z – 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 Aviation Color Code is changes. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php. 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.