Volcano Update from Archive
AVO/USGS Volcanic Activity Notice
Volcano: Redoubt (CAVW #1103-03-)
Current Volcano Alert Level: WARNING
Previous Volcano Alert Level: NONE
Current Aviation Color Code: RED
Previous Aviation Color Code: NONE
Issued: Monday, March 30, 2009, 5:14 AM AKDT (20090330/1314Z)
Source: Alaska Volcano Observatory
Notice Number: 2009/A29
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: AVO has re-analyzed the event reported as an explosive eruption at Redoubt volcano occurring at approximately 23:14 AKDT on March 29 (07:14 UTC March 30). At that time, there was heightened tremor, however, seismic and infrasound data do not show clear evidence that an explosion occurred and this will not be categorized as an explosive eruption.
Remarks: Radar showed a cloud top above 20,000 ft above sea level at the time of heightened tremor.
Contacts: Tom Murray, Scientist-in-Charge, USGS
tlmurray@usgs.gov (907) 786-7497
Steve McNutt, Coordinating Scientist, UAF
steve@giseis.alaska.edu (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.
Volcano: Redoubt (CAVW #1103-03-)
Current Volcano Alert Level: WARNING
Previous Volcano Alert Level: NONE
Current Aviation Color Code: RED
Previous Aviation Color Code: NONE
Issued: Monday, March 30, 2009, 5:14 AM AKDT (20090330/1314Z)
Source: Alaska Volcano Observatory
Notice Number: 2009/A29
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: AVO has re-analyzed the event reported as an explosive eruption at Redoubt volcano occurring at approximately 23:14 AKDT on March 29 (07:14 UTC March 30). At that time, there was heightened tremor, however, seismic and infrasound data do not show clear evidence that an explosion occurred and this will not be categorized as an explosive eruption.
Remarks: Radar showed a cloud top above 20,000 ft above sea level at the time of heightened tremor.
Contacts: Tom Murray, Scientist-in-Charge, USGS
tlmurray@usgs.gov (907) 786-7497
Steve McNutt, Coordinating Scientist, UAF
steve@giseis.alaska.edu (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.
| (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) | |
| (2) Issued: | (20090330/1314Z) |
| (3) Volcano: | Redoubt (CAVW# 1103-03-) |
| (4) Current Color Code: | RED |
| (5) Previous Color Code: | |
| (6) Source: | Alaska Volcano Observatory |
| (7) Notice Number: | 2009/A29 |
| (8) Volcano Location: | N 60 deg 29 min W 152 deg 44 min |
| (9) Area: | Cook Inlet-South Central Alaska |
| (10) Summit Elevation: | 10197 ft (3108 m) |
| (11) Volcanic Activity Summary: | AVO has re-analyzed the event reported as an explosive eruption at Redoubt volcano occurring at approximately 23:14 AKDT on March 29 (07:14 UTC March 30). At that time, there was heightened tremor, however, seismic and infrasound data do not show clear evidence that an explosion occurred and this will not be categorized as an explosive eruption. |
| (12) Volcanic cloud height: | Unknown |
| (13) Other volcanic cloud information: | Unknown |
| (14) Remarks: | Radar showed a cloud top above 20,000 ft above sea level at the time of heightened tremor. |
| (15) Contacts: | Tom Murray, Scientist-in-Charge, USGS tlmurray@usgs.gov (907) 786-7497 Steve McNutt, Coordinating Scientist, UAF steve@giseis.alaska.edu (907) 474-7131 |
| (16) Next Notice: | A new VONA will be issued if conditions change significantly or alert levels are modified. While a VONA is in effect, regularly scheduled updates are posted at http://www.avo.alaska.edu |
