Kamchatkan and Northern Kuriles Volcanic Activity
KVERT INFORMATION RELEASE 21-10
Thursday, May 13, 2010, 22:00 UTC (Friday, May 14, 10:00 KDT)

SUMMARY OF AVIATION COLOR CODES:

KAMCHATKA:
SHEVELUCH, KLYUCHEVSKOY and KARYMSKY: ORANGE
BEZYMIANNY: YELLOW
TOLBACHIK PLOSKY, KORYAKSKY, AVACHINSKY, GORELY, MUTNOVSKY and KIZIMEN: GREEN

NORTHERN KURILES:
EBEKO, CHIKURACHKI and ALAID: GREEN

KLYUCHEVSKOY VOLCANO; 56° 03'N, 160° 39'E; Elevation 4,750  m
AVIATION COLOR CODE IS ORANGE

Explosive-effusive eruption of the volcano continues. Ash explosions > 7.0 km (> 23,000 ft) ASL could occur at any time. The activity of the volcano could affect international and low-flying aircraft.

Seismicity of the volcano was above background levels all week. According to visual data, strombolian activity of the volcano continues. Moderate gas-steam activity with small amount of ash was observing on May 6, 8-12. Clouds obscured the volcano during other days. According to satellite data, a big thermal anomaly was registering over the volcano all week. Gas-steam plume with ash extending about 21 km (13 mi) to the north was noted on May 07.
http://www.kscnet.ru/ivs/kvert/current/klch/index.html

SHEVELUCH VOLCANO: 56°38'N, 161°19'E; Elevation 3,283 m, the dome elevation ~2,500 m
AVIATION COLOR CODE IS ORANGE

Explosive-extrusive eruption of the volcano continues. Ash  explosions > 10 km (> 32,800 ft) ASL could occur at any time. The activity of the volcano could affect international and low-flying aircraft.

Seismicity was above background levels all week. According to seismic data, possibly ash plumes rose up to 8.3 km (27,200 ft) ASL on May 07-11, 13. According to visual data, gas-steam plumes rose up to about 3.2 km (10,500 ft) ASL on May 9-12. Clouds obscured the volcano during other days. According to satellite data, a big thermal anomaly was registering over the lava dome all week.
http://www.kscnet.ru/ivs/kvert/current/shv/index.html

KARYMSKY VOLCANO: 54°03'N, 159°27'E; Elevation 1,486 m
AVIATION COLOR CODE IS ORANGE

Explosive activity of the volcano continues. Ash explosions > 6.0 km (> 19,700 ft) ASL could occur at any time. Aactivity of the volcano could affect low-flying aircraft.

Seismic activity of the volcano was above background levels all week. According to seismic data, possibly ash plumes rose up to 2.0-4.6 km (6,560-15,080 ft) ASL all week. According to satellite data, a thermal anomaly was registering over the volcano on May 08, 11-13.
http://www.kscnet.ru/ivs/kvert/current/krm/index.html

BEZYMIANNY VOLCANO: 55°58'N, 160°36'E; Elevation 2,895 m
AVIATION COLOR CODE IS YELLOW

Activity of the volcano continues and aerosolic plumes could affect low-flying aircraft.

Seismic activity of the volcano did not exceed the background levels on May 12. Strong volcanic activity of Klyuchevskoy volcano obscured seismic data of Bezymianny on May 06-11. Moderate fumarolic activity of the volcano was observed on May 09-12. Clouds obscured the volcano during other days. According to satellite data, a weak thermal anomaly over the lava dome was registering on May 08-09 and 11-12.
http://www.kscnet.ru/ivs/kvert/current/bzm/index.html

IF YOU HAVE ANY QUESTIONS OR CONCERNS, PLEASE CONTACT:

Sergey Ushakov, KVERT Project, IVS FED RAS
E-mail: ushakov@kscnet.ru
Tel. (4152) 29-84-41

Svetlana Toloknova, KVERT Project, KB GS RAS
E-mail: ssl@emsd.ru
Tel. (4152) 29-80-53

Chris Waythomas, KVERT Project, Acting Scientist-in-Charge, USGS
E-mail: chris@usgs.gov
Tel. (907) 786 7497

The Kamchatkan Volcanic Eruption Response Team (KVERT) is a non-commercial cooperative program of the Alaska Volcano Observatory (AVO, USA), the Institute of Volcanology and Seismology (IVS) FED RAS and the Kamchatkan Branch of Geophysical Survey (KB GS) RAS (Russia). KVERT staff is available in the office from 8:30 AM till 6:00 PM (KST or KDT) and by phone during the evenings. KVERT uses daily satellite imagery, information from remote scientific observation stations, real-time seismic data for 10 volcanoes, and other information to monitor activity at Kamchatkan and Northern Kuriles Volcanoes.

The official web-page of KVERT (the Institute of Volcanology and Seismology FED RAS): http://www.kscnet.ru/ivs/kvert/index_eng.php
Archive of daily information KB GS RAS: ftp://emsd.iks.ru/pub/DATA/RTS/Volcanoes
KVERT Information Releases at the web-page of AVO (Alaska Volcano observatory): http://www.avo.alaska.edu/activity/avoreport.php?view=kaminfo