(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) |
(2) Issued: | 20230728/0459Z |
(3) Volcano: | Sheveluch (CAVW #300270) |
(4) Current aviation colour code: | RED |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2023-87 |
(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: | An extrusive-effusive eruption of the volcano continues. Satellite data by KVERT showed explosions sent ash up to 4.5 km a.s.l. at 02:00 UTC on 28 July; and explosions sent ash up to 7.7-8 km a.s.l. at 04:10 UTC on 28 July. Ash plume is extending to the northeast 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: | 7700-8000 m (25256-26240 ft) AMSL Time and method of ash plume/cloud height determination: 20230728/0410Z – Himawari-9 14m15 |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 26 km (16 mi) Direction of drift of ash plume/cloud of the volcano: E / azimuth 86 deg Time and method of ash plume/cloud determination: 20230728/0410Z – Himawari-9 14m15 |
(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. |