(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20160818/2224Z
 (3) Volcano:Alaid (CAVW #290390)
 (4) Current Aviation Color Code:GREEN
 (5) Previous Aviation Color Code:yellow
 (6) Source:KVERT
 (7) Notice Number:2016-82
 (8) Volcano Location:N 50 deg 51 min E 155 deg 33 min
 (9) Area:Northern Kuriles, Russia
(10) Summit Elevation:7671.92 ft (2339 m)
(11) Volcanic Activity Summary:Explosive-effusive eruption of Alaid volcano probably finished. There was not noting thermal anomaly over the volcano last week. A small ash plume was detected from the volcano on 04 July last time. KVERT continues to monitor Alaid volcano.

Fumarole activity of the volcano continues. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:NO ASH CLOUD PRODUSED
(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED
(14) Remarks:Alaid - the volcano-Island, the most northern in the Kurile archipelago, is situated at a distance 30 km north-west from Paramushir and 70 km south-west from Kamchatka.
(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, August 18, 2016. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2016-82.
Aviation Colour 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]