(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
(2) Issued: | 20170612/2111Z |
(3) Volcano: | Klyuchevskoy (CAVW #300260) |
(4) Current Aviation Color Code: | ORANGE |
(5) Previous Aviation Color Code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2017-126 |
(8) Volcano Location: | N 56 deg 3 min E 160 deg 38 min |
(9) Area: | Kamchatka, Russia |
(10) Summit Elevation: | 15580 ft (4750 m) |
(11) Volcanic Activity Summary: | Explosive eruption of the volcano continues. Ash plume drift for about 290 km to the south-west from the volcano. Explosive eruption of the volcano continues. Ash explosions up to 26,200-32,800 ft (8-10 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. |
(12) Volcanic cloud height: | 16400 ft (5000 m) AMSL Time and method of ash plume/cloud height determination: 20170612/2030Z – Himawari-8 |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 180 mi (290 km) Direction of drift of ash plume/cloud of the volcano: WSW / azimuth 255 deg Time and method of ash plume/cloud determination: 20170612/2030Z – Himawari-8 |
(14) Remarks: | |
(15) Contacts: | Anton A. Nuzhdaev, IVS FEB RAS envi@kscnet.ru Duty scientist: +79622825253 |
(16) Next Notice: | A new VONA will be issued if conditions change significantly or the Aviation Color Code is changes. 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, June 12, 2017. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2017-126. |
Aviation Color Codes |
GREEN Volcano is in normal, non-eruptive state or, after a change from a higher level: Volcanic activity considered to have ceased, and volcano reverted to its normal, non-eruptive state. |
YELLOW Volcano is experiencing signs of elevated unrest above known background levels. or, after a change from higher level: Volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase. |
ORANGE Volcano is exhibiting heightened unrest with increased likelihood of eruption. or,
Volcanic eruption is underway with no or minor ash emission. |
RED Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely. or,
Eruption is underway with significant emission of ash into the atmosphere. |