(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20230528/0151Z (3) Volcano:Sheveluch (CAVW #300270) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2023-73 (8) Volcano Location:N 56 deg 38 min E 161 deg 18 min (9) Area:Kamchatka, Russia (10) Summit Elevation:3283 m (10768.24 ft), the dome elevation ~2500 m (8200 ft)(11) Volcanic Activity Summary:Video data by KVERT shows a strong wind lifts ash from the southeastern slopes of Sheveluch volcano, and a plume of resuspended ash extends more 30 km to the east of the volcano.\n\nAn extrusive eruption of the volcano continues. A danger of ash explosions up to 10 km (32,800 ft) a.s.l. is remains. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:3500 m (11480 ft) AMSL Time and method of ash plume/cloud height determination: 20230528/0145Z – Video data(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 30 km (19 mi)\nDirection of drift of ash plume/cloud of the volcano: E\nTime and method of ash plume/cloud determination: 20230528/0145Z – Video data(14) Remarks:resuspended ash plume(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.