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VONA/KVERT Releases of VAN
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Information Releases (01.2005-05.2012)
KVERT/Volcano Observatory Notifications to Aviation (VONA)

Information of Kamchatkan Volcanic Eruption Response Team (KVERT)

 
 (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20171108/0023Z
 (3) Volcano:Sheveluch (CAVW #300270)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2017-254
 (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:Satellite data show an ash cloud about 690 km to the north-east from 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:19680-22960 ft (6000-7000 m) AMSL Time and method of ash plume/cloud height determination: 20171108/0000Z – Himawari-8
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 429 mi (690 km)
Direction of drift of ash plume/cloud of the volcano: ENE / azimuth 73 deg
Time and method of ash plume/cloud determination: 20171108/0000Z – Himawari-8
(14) Remarks:
(15) Contacts: Dmitry V. Melnikov, IVS FEB RAS
dvm@kscnet.ru

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, November 08, 2017. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2017-254.

geoportal.kscnet.ru
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.
[specify ash-plume height if possible]
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.
[specify ash-plume height if possible]
 


 

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