(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20180701/0019Z
 (3) Volcano:Ebeko (CAVW #290380)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2018-56
 (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 the volcano continues. According to visual data by volcanologists from Severo-Kurilsk, explosions sent ash up to 2.3-2.5 km a.s.l., and an ash plume drift to the south-east from the volcano. Satellite data by KVERT showed the volcano was quiet.

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:7544-8200 ft (2300-2500 m) AMSL Time and method of ash plume/cloud height determination: 20180630/2305Z – Visual data
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 2 mi (3 km)
Direction of drift of ash plume/cloud of the volcano: SSE
Time and method of ash plume/cloud determination: 20180630/2305Z – Visual data
(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/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.