Elevated Volcanic Activity
The following U.S. volcanoes are known
to be above normal background (elevated unrest or eruptions).
Times are local in military format.
Alert levels & aviation color codes defined at
http://volcano.wr.usgs.gov/activity/alertsystem.
-
Cleveland
Alert Level=ADVISORY. Aviation Color Code=YELLOW. Issued Jul 3, 2008, 11:46 ADT
(Change to current status occurred on Feb 12, 2008 ADT from Alert Level WATCH and Aviation Color Code ORANGE )
Potential for return to short-lived ash eruption exists. Cleveland lacks a real-time seismic network.
For more information see http://www.avo.alaska.edu/activity/Cleveland.php -
Kilauea
Alert Level=WATCH. Aviation Color Code=ORANGE. Issued Jul 3, 2008, 07:06 HST
(Change to current status occurred on Jul 2, 2007 HST from Alert Level ADVISORY and Aviation Color Code YELLOW )
Eruption of small amounts of ash and SO2 from Halema`uma`u Crater; SO2 continued to issue from Pu`u `O`o and lava flowed through tubes to ocean.
For more information see http://volcano.wr.usgs.gov/kilaueastatus.php -
Mount St. Helens
Alert Level=ADVISORY. Aviation Color Code=YELLOW. Issued Jun 27, 2008, 08:15 PDT
(Change to current status occurred on Feb 21, 2008 PDT from Alert Level WATCH and Aviation Color Code ORANGE )
The pause in lava extrusion at Mount St. Helens that began in late January 2008 continues.
For more information see http://volcano.wr.usgs.gov/cvo/current_updates.php -
Mauna Loa
Alert Level=ADVISORY. Aviation Color Code=YELLOW. Issued Jun 26, 2008, 09:42 HST
(Mauna Loa has been at this Alert Level and Color Code since this system was implemented in 2005)
Low level of unrest persists.
For more information see http://volcano.wr.usgs.gov/maunaloastatus.php
