|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Alaid (CAVW #290390)|
|(4) Current aviation colour code:||GREEN|
|(5) Previous aviation colour code:||yellow|
|(7) Notice Number:||2022-180|
|(8) Volcano Location:||N 50 deg 51 min E 155 deg 33 min|
|(9) Area:||Northern Kuriles, Russia|
|(10) Summit Elevation:||2339 m (7671.92 ft)|
|(11) Volcanic Activity Summary:||The explosive-effusive eruption of Alaid volcano ended. Satellite data by KVERT showed there were not noting ash plumes since 26 October. The temperature of the thermal anomaly of the volcano began decreasing from 29 October, and by 20 November it reached the background level. KVERT continues to monitor Alaid volcano.|
The fumarole activity of the volcano continues. Ongoing activity could affect low-flying aircraft.
|(12) Volcanic cloud height:||NO ASH CLOUD PRODUSED|
|(13) Other volcanic cloud information:||NO ASH CLOUD PRODUSED|
|(14) Remarks:||Alaid - the volcano-Island, the most northern in the Kurile archipelago, is situated at a distance 30 km north-west from Paramushir and 70 km south-west from Kamchatka.|
|(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, November 24, 2022. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2022-180.
|Aviation Color Codes|
Volcano is in normal, non-eruptive state
or, after a change from a higher level:
Volcanic activity considered to have ceased, and volcano reverted to its normal, non-eruptive state.
Volcano is experiencing signs of elevated unrest above known background levels.
or, after a change from higher level:
Volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
Volcano is exhibiting heightened unrest with increased likelihood of eruption.
Volcanic eruption is underway with no or minor ash emission.
Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely.
Eruption is underway with significant emission of ash into the atmosphere.