(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | 20191017/0050Z |
(3) Volcano: | Sheveluch (CAVW #300270) |
(4) Current aviation colour code: | ORANGE |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2019-156 |
(8) Volcano Location: | N 56 deg 38 min E 161 deg 18 min |
(9) Area: | Kamchatka, Russia |
(10) Summit Elevation: | 10768.24 ft (3283 m), the dome elevation ~8200 ft (2500 m) |
(11) Volcanic Activity Summary: | A growth of the lava dome continues, a strong fumarolic activity sometimes with some amount of ash, and an incandescence of the dome blocks and hot avalanches accompanies this process. Satellite data by KVERT showed a resuspended ash plume continues to move to the east-southeast of the volcano. Explosive-extrusive eruption of the volcano continues. Ash explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. |
(12) Volcanic cloud height: | 9840-11480 ft (3000-3500 m) AMSL Time and method of ash plume/cloud height determination: 20191017/0020Z – Himawari-8 |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 75 mi (120 km) Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 111 deg Time and method of ash plume/cloud determination: 20191017/0020Z – 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/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, October 17, 2019. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2019-156. |