Kamchatka and the Kuriles volcanoes: Erupting or Restless
|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Sheveluch (CAVW #300270)|
|(4) Current aviation colour code:||ORANGE|
|(5) Previous aviation colour code:||orange|
|(7) Notice Number:||2021-124|
|(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:||The activity of the volcano continues. A strong wind raises ash from the southern slope of the volcano. Satellite data by KVERT showed a resuspended ash plume extended for 40 km to the southeast of the volcano. A resuspended ash could affect low-flying aircraft.|
The extrusive eruption of the volcano continues. Ash explosions up to 10-15 km (32,800-49,200 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
|(12) Volcanic cloud height:||4000 m (13120 ft) AMSL Time and method of ash plume/cloud height determination: 20211021/0010Z – Himawari-8|
|(13) Other volcanic cloud information:||Distance of ash plume/cloud of the volcano: 40 km (25 mi)|
Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 114 deg
Time and method of ash plume/cloud determination: 20211021/0010Z – Himawari-8
|(15) Contacts:||Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS|
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.
For formal scientific citation of this VONA/KVERT Information Release, please use the following:
VONA/KVERT Information Release, October 21, 2021. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2021-124.