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KVERT / VOLCANO OBSERVATORY NOTIFICATION TO AVIATION (VONA)

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KVERT/Volcano Observatory Notification for Aviation

VONA/KVERT Releases
 
Archives in the old format
VONA/KVERT Information Releases (01.2005-05.2012)
 (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20161201/2101Z
 (3) Volcano:Klyuchevskoy (CAVW #300260)
 (4) Current Aviation Color Code:GREEN
 (5) Previous Aviation Color Code:yellow
 (6) Source:KVERT
 (7) Notice Number:2016-188
 (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-effusive eruption of Klyuchevskoy volcano finished on 06 November, 2016. Small intensification of volcanic activity was noting on 16 November, 2016 (strong gas-steam plumes with small amount of ash), but we think this activity of the volcano was connected with a rebuilding of magmatic system of the volcano - magma to turn down into volcanic channel; and a deep crater is forming at the volcano summit. According to video data, a moderate gas-steam activity of the volcano continues, and satellite data by KVERT showed a weak thermal anomaly over the volcano. KVERT continues to monitor Klyuchevskoy volcano.

A gas-steam activity of the volcano continues. Aerosol plumes could affect low-flying aircraft.
(12) Volcanic cloud height:NO ASH CLOUD PRODUSED
(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED
(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 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) FED 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, December 01, 2016. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/index.php?n=2016-188.

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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