****************************************************** Bezymianny Volcano Level of Concern reduced to orange ****************************************************** From:"Olga A. Girina <girina@xxxxxxxxx> Kamchatkan and Northern Kurile Volcanic Activity INFORMATION RELEASE 22-06 Wednesday, May 10, 2006, 10:40 KDT (21:40 UTC on May 09) BEZYMIANNY VOLCANO: 55o58'N, 160o36'E; Elevation 2,895 m CURRENT LEVEL OF CONCERN COLOR CODE: ORANGE PREVIOUS LEVEL OF CONCERN COLOR CODE: RED Seismic activity returned to background levels from 12:00 UTC on May 09. Small fumarolic plumes were observing in the early morning of May 10. Probably a lava flow began to effuse at the lava dome. A danger for aviation in the area of the volcano exists. The large explosive eruption of Bezymianny volcano occurred from 08:21 till 08:45 UTC on May 09. An ash column rose up to 15 km (49,200 ft) ASL. Co-ignimbrite ash cloud was about 40 km (25 mi) in diameter on this height. Ash plumes extended to main direction to the north-east from the volcano. IF YOU HAVE ANY QUESTIONS OR CONCERNS, PLEASE CONTACT: Olga Girina, KVERT, IVS FED RAS E-mail: girina@xxxxxxxxx Tel. (41522) 58627 Tatiana Kozhevnikova, KVERT, KB GS RAS E-mail: ssl@xxxxxxxxxxx Tel. (41522) 59523 Tom Murray, Scientist-in-Charge, AVO E-mail: tlmurray@xxxxxxxx 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 Service(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 Kurile Volcanoes. The official web-page of KVERT (the Institute of Volcanology and Seismology FED RAS): http://www.ivs.kscnet/ivs/kvert/index.html Archive of daily information KB GS RAS: ftp://emsd.iks.ru/pub/DATA/RTS/Volcanoes ============================================================== To unsubscribe from the volcano list, send the message: signoff volcano to: listserv@xxxxxxx, or write to: volcano-request@xxxxxxxx To contribute to the volcano list, send your message to: volcano@xxxxxxxx Please do not send attachments. ==============================================================