Main Volcanoes Maly Semyachik

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Maly Semyachik Volcano. KVERT/Volcano Observatory Notifications to Aviation (VONA)

Информация Камчатской группы реагирования на вулканические извержения (Kamchatkan Volcanic Eruption Response Team – KVERT)



 (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20180420/0315Z
 (3) Volcano:Maly Semyachik (CAVW #300140)
 (4) Current aviation colour code:GREEN
 (5) Previous aviation colour code:yellow
 (6) Source:KVERT
 (7) Notice Number:2018-36
 (8) Volcano Location:N 54 deg 8 min E 159 deg 40 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:5116.8 ft (1560 m)
(11) Volcanic Activity Summary:An activity of the volcano increased in the second half of March, 2018. The ice that covered the lake into the volcano crater melted within 5-6 days, but an explosive activity of the volcano was not registered. Satellite data by KVERT shows a weak thermal anomaly over the volcano from 20 March till now. KVERT continues to monitor Maly Semyachik volcano.

An activity of the volcano continues. Gas-steam 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 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 Operative Report, please use the following:
VONA/KVERT Operative Report, April 20, 2018. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2018-36.

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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