(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20230323/0038Z
 (3) Volcano:Ebeko (CAVW #290380)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2023-34
 (8) Volcano Location:N 50 deg 41 min E 156 deg 0 min
 (9) Area:Northern Kuriles, Russia
(10) Summit Elevation:1156 m (3791.68 ft)
(11) Volcanic Activity Summary:A moderate explosive activity of the volcano continues. According to satellite data explosion sent ash up to 3 km a.s.l., an ash cloud is drifting to the east of the volcano.

A moderate eruptive activity of the volcano continues. Ash explosions up to 6 km (19,700 ft) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft and airport of Severo-Kurilsk.
(12) Volcanic cloud height:2500-3000 m (8200-9840 ft) AMSL Time and method of ash plume/cloud height determination: 20230322/2350Z – Himawari-9 14m15
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 14 km (9 mi)
Direction of drift of ash plume/cloud of the volcano: E / azimuth 87 deg
Time and method of ash plume/cloud determination: 20230322/2350Z – Himawari-9 14m15
Start time of explosion and how determined: 20230322/2350Z – 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.