VONA/KVERT-Project: Sheveluch (1000-27) 20120525/2134Z

Issued: 20120525/2134Z
Volcano: Sheveluch (1000-27)
Aviation Color Code: Orange
Source: KVERT
Notice number: 2012/23
Volcano Location: 56.636N 161.315E
Area: Kamchatka, Russia
Summit Elevation (meters/feet): 2500 m/8202 ft
Height of ash plume (feet/km) ASL and how determined: 29529 ft/ 9 km- Video
Distance of ash plume from the volcano (mi/km): 0 mi/ km 
Direction of ash plume or ash cloud drift from the volcano: South-East
Start time of explosion and how determined: 20120525/2124Z - Seismic
Time and method of observation: 20120525/2134Z - Video data
Duration of eruption (or indicate eruption is continuing): start eruption ~16 minutes

Remarks: 
Separate explosion up to 8-9 km a.s.l. at 21:24 UTC.
Strong gas-steam activity of the volcano at now - 22:17 UTC on May 25.  

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