Elevated Volcanic Activity
Tuesday, Sep 16, 2008 at 04:53:58 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://volcano.wr.usgs.gov/activity/alertsystem.
-
Cleveland
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 15, 2008, 11:34 ADT
No activity observed.
(Change to current status occurred on Aug 25, 2008 14:52 ADT from Alert Level WATCH and Aviation Color Code ORANGE )
For more information see http://www.avo.alaska.edu/activity/Cleveland.php -
Okmok
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 15, 2008, 11:34 ADT
Seismicity continues at low levels. No activity observed.
(Change to current status occurred on Aug 27, 2008 13:54 ADT from Alert Level WATCH and Aviation Color Code ORANGE )
For more information see http://www.avo.alaska.edu/activity/Okmok.php -
Kasatochi
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 15, 2008, 11:34 ADT
No activity observed. Renewed volcanic activity is possible at any time with little or no warning.
(Change to current status occurred on Sep 4, 2008 14:35 ADT from Alert Level WATCH and Aviation Color Code ORANGE )
For more information see http://www.avo.alaska.edu/activity/Kasatochi.php -
Kilauea
Alert Level=WATCH. Aviation Color Code=ORANGE. As of Sep 15, 2008, 07:43 HST
Tephra, elevated SO2 emissions from Halema`uma`u Crater; elevated SO2 from Pu`u `O`o; lava through tubes to ocean.
(Change to current status occurred on Jul 2, 2007 07:31 HST from Alert Level ADVISORY and Aviation Color Code YELLOW )
For more information see http://volcano.wr.usgs.gov/kilaueastatus.php -
Anatahan
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 5, 2008, 08:04 MPT
Seismicity remains at low levels. No reports of plumes.
(Change to current status occurred on Aug 12, 2008 09:43 MPT from Alert Level WATCH and Aviation Color Code ORANGE )
For more information see http://volcano.wr.usgs.gov/cnmistatus.php -
Mauna Loa
Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 1, 2008, 10:09 HST
Low level of unrest persists.
(Mauna Loa has been at this Alert Level and Color Code since this system was implemented in 2005)
For more information see http://volcano.wr.usgs.gov/maunaloastatus.php