(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) |
(2) Issued: | 20220109/2249Z |
(3) Volcano: | Sheveluch (CAVW #300270) |
(4) Current aviation colour code: | ORANGE |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2022-03 |
(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: | A growth of the lava dome continues, a strong fumarolic activity, and an incandescence of the lava dome and hot avalanches accompanies this process. Video and satellite data by KVERT show a strong gas-steam activity of the volcano. A gas-steam plume sometimes containing some amount of ash extend for 175 km to the west of the volcano.
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: | 3500-4000 m (11480-13120 ft) AMSL Time and method of ash plume/cloud height determination: 20220109/2240Z – Video data |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 175 km (109 mi) Direction of drift of ash plume/cloud of the volcano: W / azimuth 274 deg Time and method of ash plume/cloud determination: 20220109/2200Z – Himawari-8 |
(14) Remarks: | |
(15) Contacts: | Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS girina@kscnet.ru +74152202044
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. |