(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20170902/0107Z
(3) Volcano:	Ebeko (CAVW #290380)
(4) Current Aviation Color Code:	ORANGE
(5) Previous Aviation Color Code:	orange
(6) Source:	KVERT
(7) Notice Number:	2017-223
(8) Volcano Location:	N 50 deg 41 min E 156 deg 0 min
(9) Area:	Northern Kuriles, Russia
(10) Summit Elevation:	3791.68 ft (1156 m)
(11) Volcanic Activity Summary:	A moderate explosive activity of Ebeko volcano continues. According to the data by observers from Severo-Kurilsk (Paramushir Island, Northern Kuriles), an ash plume rose up to 3.3 km a.s.l. and extended about 7 km to the east from the volcano on September 2, 00:42 UTC. A moderate gas-steam with some amount of ash activity of the volcano continues. Ash explosions up to 16,400 ft (5 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft and airport of Severo-Kurilsk.
(12) Volcanic cloud height:	10824 ft (3300 m) AMSL Time and method of ash plume/cloud height determination: 20170902/0042Z – Visual data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 4 mi (7 km) Direction of drift of ash plume/cloud of the volcano: E / azimuth 85 deg Time and method of ash plume/cloud determination: 20170902/0042Z – Visual data Duration of explosion: ~ 30 minutes
(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 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.