|(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:||2023-101|
|(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 and satellite data by KVERT shows a strong wind lifts ash from the southern slopes of Sheveluch volcano, and a plume of resuspended ash is extending about 70 km to the east-south-east of the volcano.|
An extrusive-effusive 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:||2000-2500 m (6560-8200 ft) AMSL Time and method of ash plume/cloud height determination: 20230911/2030Z – Himawari-9 14m15|
|(13) Other volcanic cloud information:||Distance of ash plume/cloud of the volcano: 70 km (43 mi)|
Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 113 deg
Time and method of ash plume/cloud determination: 20230911/2030Z – Himawari-9 14m15
|(14) Remarks:||Resuspended ash|
|(15) Contacts:|| Alexander G. Manevich, 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, September 11, 2023. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2023-101.