(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20220203/0754Z (3) Volcano:Chikurachki (CAVW #290360) (4) Current aviation colour code:YELLOW (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2022-14 (8) Volcano Location:N 50 deg 19 min E 155 deg 27 min (9) Area:Northern Kuriles, Russia (10) Summit Elevation:1816 m (5956.48 ft)(11) Volcanic Activity Summary:A gas-steam activity of the volcano continues. The explosive eruption of Chikurachki volcano began near 16:00 UTC on 30 January, and lasted until 03 February. Ash explosions on 03 February were not detected at satellite images. KVERT continues to monitor Chikurachki volcano.\n\nA gas-steam activity of the volcano continues. A danger of ash explosions up to 6 km (19,700 ft) a.s.l. 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\ngirina@kscnet.ru +74152202044\n\nDuty 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/.\n\nIn 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.