|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Klyuchevskoy (CAVW #300260)|
|(4) Current aviation colour code:||ORANGE|
|(5) Previous aviation colour code:||orange|
|(7) Notice Number:||2018-44|
|(8) Volcano Location:||N 56 deg 3 min E 160 deg 38 min|
|(9) Area:||Kamchatka, Russia|
|(10) Summit Elevation:||15580 ft (4750 m)|
|(11) Volcanic Activity Summary:||According video and satellite data, a gas-steam plume containing some amount of ash is extending for about 20 km to the north-east from the volcano.|
Activity of the volcano continues. Ash explosions up to 16,400-19,700 ft (5-6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft.
|(12) Volcanic cloud height:||14760 ft (4500 m) AMSL Time and method of ash plume/cloud height determination: 20180510/1850Z – Himawari-8|
|(13) Other volcanic cloud information:||Distance of ash plume/cloud of the volcano: 12 mi (20 km)|
Direction of drift of ash plume/cloud of the volcano: NE / azimuth 39 deg
Time and method of ash plume/cloud determination: 20180510/1850Z – Himawari-8
|(15) Contacts:|| Anton A. Nuzhdaev, 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/index_eng.php.|
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, May 10, 2018. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2018-44.