Elevated Volcanic Activity and Information Releases
Thursday, Aug 13, 2009 at 21:41:07 PDT.
The following U.S. volcanoes are known
to be above normal background (elevated unrest or eruptions) or have shown activity that warranted an Information Release (for example, an earthquake swarm).
Times are local to the volcano and in military format.
Volcano Alert Levels & Aviation Color Codes defined at
http://volcanoes.usgs.gov/activity/alertsystem.
-
Redoubt
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Aug 13, 2009, 10:19 ADT
Redoubt activity remains low. Lava dome remains potentially unstable.
(Change to current status occurred on Jun 30, 2009 10:21 ADT from Alert Level WATCH and Aviation Color Code ORANGE )
For more information see http://www.avo.alaska.edu/activity/Redoubt.php -
Shishaldin
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Aug 13, 2009, 10:19 ADT
Typical background levels of seismic activity. Thermal anomalies observed in satellite images. Webcam images reveal nothing abnormal.
(Change to current status occurred on Jul 10, 2009 14:14 ADT from Alert Level NORMAL and Aviation Color Code GREEN )
For more information see http://www.avo.alaska.edu/activity/Shishaldin.php -
Kilauea
Alert Level=WATCH. Aviation Color Code=ORANGE. As of Aug 13, 2009, 09:02 HST
Elevated SO2 emissions from summit and Pu`u `O`o vents; E rift zone lava through tubes to ocean
(Change to current status occurred on Jul 2, 2007 20:09 HST from Alert Level ADVISORY and Aviation Color Code YELLOW )
For more information see http://volcanoes.usgs.gov/hvo/activity/kilaueastatus.php -
Mauna Loa
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Jul 27, 2009, 11:13 HST
Low level of unrest continues.
(Mauna Loa has been at this Alert Level and Color Code since this system was implemented in 2005)
For more information see http://volcanoes.usgs.gov/hvo/activity/maunaloastatus.php
