(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20220131/2114Z (3) Volcano:Chikurachki (CAVW #290360) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2022-11 (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 moderate eruptive activity of the volcano continues. Satellite data by KVERT showed an ash cloud extended about 104 km to the west-south-west from the volcano.\n\nA strong gas-steam 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. (12) Volcanic cloud height:2800-3000 m (9184-9840 ft) AMSL Time and method of ash plume/cloud height determination: 20220131/1619Z – Suomi NPP (14m15)(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 104 km (65 mi)\nDirection of drift of ash plume/cloud of the volcano: WSW / azimuth 254 deg \nTime and method of ash plume/cloud determination: 20220131/1619Z – Suomi NPP (14m15)(14) Remarks:(15) Contacts: Alexander G. Manevich, IVS FEB RAS\nmag@kscnet.ru +74152202115\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.