******************************************************************** Koryaksky volcano, 3456 m, December 25, 2008. From: Olga A. Girina <girina@xxxxxxxxx> ******************************************************************** According to satellite data, on December 24, at 23:34 UTC (NOAA 17, 4m5)) and 23:42 UTC ( TERRA MODIS, 31m32) a dense ash plume extended over 60 km (37 mi) and a poor ash plume extended 140 km (87 mi) to the northeast of the volcano. According to visual data by observers from Nalychevo valley, a dark column rose about 200-300 m from the vent of a fumarole on the northwestern flank of Koryaksky volcano on December 24. The fumarole is located about 3.0 km ASL. Observers heard a boom from the volcano at night. According to seismic data (KB GS RAS), only 2 earthquakes were registered on December 23 on the depth of 5.0 km under the volcano. KVERT continues to monitor Koryaksky volcano. Best regards, Olga Girina Institute of Volcanology and Seismology FED RAS KVERT: http://www.kscnet.ru/ivs/kvert/index_eng.php ============================================================== 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. ==============================================================
