(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20211021/2311Z
(3) Volcano:	Ebeko (CAVW #290380)
(4) Current aviation colour code:	YELLOW
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2021-125
(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 gas-steam activity of the volcano continues, but eruptive events were observed on 22 September, 2021, last time. A thermal anomaly over the volcano was noting on 25 August, 2021, last time. Probably a moderate explosive eruption of the volcano gradually ends. KVERT continues to monitor Ebeko volcano. A moderate activity of the volcano continues. A danger of ash emission up to 6 km (19,700 ft) a.s.l. at any time is remains. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:	NO ASH CLOUD PRODUSED
(13) Other volcanic cloud information:	NO ASH CLOUD PRODUSED
(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/. 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.