Вулканы Камчатки и Курил в состоянии извержения или активизации
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Безымянный 
9/4/2025 -
Шивелуч 
4/2/2025 -
Карымский 
30/8/2024
KVERT Information Release
| (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
| (2) Issued: | 20250411/2024Z |
| (3) Volcano: | Bezymianny (CAVW #300250) |
| (4) Current aviation colour code: | ORANGE |
| (5) Previous aviation colour code: | orange |
| (6) Source: | KVERT |
| (7) Notice Number: | 2025-17 |
| (8) Volcano Location: | N 55 deg 58 min E 160 deg 35 min |
| (9) Area: | Kamchatka, Russia |
| (10) Summit Elevation: | 2882 m (9452.96 ft) |
| (11) Volcanic Activity Summary: | An extrusive-effusive eruption of the volcano increased significantly on 11 April: hot avalanches collapsed on the eastern slopes of the lava dome, and the ash from which rose up to 3-4 km a.s.l. Satellite data by KVERT showed an ash plume extending about 90 km to the north-east of the volcano.
An effusive activity of the Bezymianny volcano is gradually increasing, probably the volcano is preparing for a strong explosive eruption. 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: | 3000-4000 m (9840-13120 ft) AMSL Time and method of ash plume/cloud height determination: 20250411/1910Z – Himawari-9 14m15 |
| (13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 90 km (56 mi) Direction of drift of ash plume/cloud of the volcano: NNE / azimuth 16 deg Time and method of ash plume/cloud determination: 20250411/1910Z – Himawari-9 14m15 |
| (14) Remarks: | |
| (15) Contacts: | Dmitry V. Melnikov, IVS FEB RAS [email protected] 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. |
CITATION GUIDELINES For formal scientific citation of this VONA/KVERT Information Release, please use the following: VONA/KVERT Information Release, April 11, 2025. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2025-17. |
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