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KVERT / VOLCANO OBSERVATORY NOTIFICATION TO AVIATION (VONA)

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KVERT/Volcano Observatory Notification to Aviation (VONA)

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:20150726/2353Z
 (3) Volcano:Karymsky (CAVW #300130)
 (4) Current Aviation Color Code:ORANGE
 (5) Previous Aviation Color Code:orange
 (6) Source:KVERT
 (7) Notice Number:2015-187
 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:4874.08 ft (1486 m)
(11) Volcanic Activity Summary:Satellite data showed an ash plume is extending about 35km to the east of the volcano.

Moderate eruptive activity of the volcano continues. Ash explosions up to 19,700 ft (6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:13120-16400 ft (4000-5000 m) a.s.l. Time and method of ash plume/cloud height determination: 20150727/0001Z – MODIS TERRA (31m32)
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 22 mi (35 km)
Direction of drift of ash plume/cloud of the volcano: E / azimuth 84 deg
Time and method of ash plume/cloud determination: 20150727/0001Z – MODIS TERRA (31m32)
(14) Remarks:
(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS
girina@kscnet.ru +74152302549

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, July 26, 2015. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/index.php?n=2015-187.

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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