AVO/USGS Volcanic Activity Notice Volcano: Redoubt (CAVW #1103-03-) Current Volcano Alert Level: WARNING Previous Volcano Alert Level: WATCH Current Aviation Color Code: RED Previous Aviation Color Code: ORANGE Issued: Saturday, April 4, 2009, 6:35 AM AKDT (20090404/1435Z) Source: Alaska Volcano Observatory Notice Number: 2009/A32 Location: N 60 deg 29 min W 152 deg 44 min Elevation: 10197 ft (3108 m) Area: Cook Inlet-South Central Alaska Volcanic Activity Summary: Another significant explosive event occurred at Redoubt Volcano at approximately 5:58 am AKDT (13:58 UTC). At this time, the cloud height is estimated to be 50,000 feet based on National Weather Service radar. The cloud is drifting to the southeast of the volcano. AVO seismometers indicate a lahar has developed in the Drift River Valley. Recent Observations: [Volcanic cloud height] 50,000 feet above sea level based on National Weather Service radar. [Other volcanic cloud information] The cloud is drifting to the southeast. [Mudflow] Seismicity indicates a lahar has formed in the Drift River Valley. Contacts: Tom Murray, Scientist-in-Charge, USGS tlmurray@xxxxxxxx (907) 786-7497 Steve McNutt, Coordinating Scientist, UAF steve@xxxxxxxxxxxxxxxxx (907) 474-7131 Next Notice: A new VAN will be issued if conditions change significantly or alert levels are modified. While a VAN is in effect, regularly scheduled updates are posted at http://www.avo.alaska.edu The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys. ============================================================== 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. ==============================================================
