(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | 20190120/2243Z |
(3) Volcano: | Bezymianny (CAVW #300250) |
(4) Current aviation colour code: | RED |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2019-21 |
(8) Volcano Location: | N 55 deg 58 min E 160 deg 35 min |
(9) Area: | Kamchatka, Russia |
(10) Summit Elevation: | 9452.96 ft (2882 m) |
(11) Volcanic Activity Summary: | A strong explosive eruption of Bezymianny occurred at 16:10 UTC on 20 January: explosions sent ash up to 10 km a.s.l., and ash cloud began to drift to the north-west from the volcano. Activity of Bezymianny continues: a strong gas-steam plume with some amount of ash on the height about 3.5-4.5 km a.s.l. continues to drift to the north-west from the volcano; but an ash cloud from the strong explosions continues to drift on the height about 10-11 km a.s.l. on the distance about 600 km to the north-west from the volcano. Ongoing activity could affect international and low-flying aircrafts. A moderate eruptive activity of the volcano continues. Ash explosions up to 32,800 ft (10 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircrafts. |
(12) Volcanic cloud height: | 11480-14760 ft (3500-4500 m) AMSL Time and method of ash plume/cloud height determination: 20190120/2230Z – Video data |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 367 mi (590 km) Direction of drift of ash plume/cloud of the volcano: WNW / azimuth 294 deg Time and method of ash plume/cloud determination: 20190120/2129Z – NOAA 18 (4m5) |
(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/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. |
CITATION GUIDELINES For formal scientific citation of this VONA/KVERT Information Release, please use the following: VONA/KVERT Information Release, January 20, 2019. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2019-21. |