VONA/KVERT-Project: Bezymianny (1000-25) 20120901/2032Z

Issued: 20120901/2032Z
Volcano: Bezymianny (1000-25)
Aviation Color Code: Red
Source: KVERT
Notice number: 2012/31
Volcano Location: 55.972 N 160.595E
Area: Kamchatka, Russia
Summit Elevation (meters/feet): 2882 m/9455 ft

Height of ash plume (feet/km) ASL and how determined: 32,800 - 39,400 ft (10-12 km) a.s.l. - unknown

Distance of ash plume from the volcano (mi/km): 93.23 mi/150 km

Direction of ash plume or ash cloud drift from the volcano: North-East

Start time of explosion and how determined: 20120901/1916Z - Seismic

Time and method of observation: 20120901/2032Z - MTSAT
Duration of eruption (or indicate eruption is continuing): eruption is continuing


Next Notice: A new VONA will be issued if conditions change significantly.
Updates are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php

Best regards,
Dr. Olga A. Girina

Institute of Volcanology and Seismology FEB RAS
Head of KVERT
blv. Piip, 9,
Petropavlovsk-Kamchatsky, Russia. 683006
Tel. (7) 41522 97890


For formal scientific citation of this VONA/KVERT Operative Report, please use the following:
VONA/KVERT Operative Report, September 01, 2012. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=.
Aviation Colour Codes


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.


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.


Volcano is exhibiting heightened unrest with increased likelihood of eruption.


Volcanic eruption is underway with no or minor ash emission.
[specify ash-plume height if possible]


Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely.


Eruption is underway with significant emission of ash into the atmosphere.
[specify ash-plume height if possible]