America’s Volcanoes

The AVO Volcanic Activity Notice
AVO/USGS Volcanic Activity Notice
Volcano: Veniaminof (CAVW #1102-07-)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW
Issued: Friday, February 22, 2008, 12:27 PM AKST (20080222/2127Z)
Source: Alaska Volcano Observatory
Notice Number: 2008/A4
Location: N 56 deg 11 min W 159 deg 23 min
Elevation: 8225 ft (2507 m)
Area: Alaska Peninsula Alaska
Volcanic Activity Summary: Several minor bursts of [...]

Current Cleveland status form AVO:
CLEVELAND VOLCANO (CAVW #1101-24-)
52°49′20″ N 169°56′42″ W, Summit Elevation 5676 ft (1730 m)
Current Aviation Color Code: YELLOW
Current Volcano Alert Level: ADVISORY
Satellite images show that Cleveland volcano emitted a small, low level ash cloud on Friday, February 22 at approximately 1900 UTC (10:00 AKST). The cloud was last observed at 2338 UTC [...]

Current Anathan status from HVO-CNMI:
Anatahan Daily Update issued Feb 23, 2008 11:38 MPT Volcanic-Alert Level WATCH - Aviation Color Code ORANGE
Report prepared by the U.S. Geological Survey. Seismicity at Anatahan has varied throughout the day with a steep drop in the continuous tremor starting at 1545 UTC followed by a slow buildup over the last [...]

Curent Kialuea status form HVO:
Activity Summary for last 24 hours: The lava flow that entered Royal Gardens stalled but remained active 540 m (1770 ft) north of the subdivision. A second lava flow advanced eastward from the rootless shield complex along the western and southern edges of the Kalalua Cone kipuka. Seismic tremor levels and [...]

Current Long Valley status from LVO:
Only one earthquake was detected in the Long Valley area since the last update on February 20, 2008. The event, a magnitude, M=1.1, was located in the Sierra Nevada west of Mammoth Lakes near Devils Postpile National Monument

Current Anatahan status from HVO-CNMI:
Anatahan Daily Update issued Feb 21, 2008 11:07 MPT Volcanic-Alert Level WATCH - Aviation Color Code ORANGE
Report prepared by the U.S. Geological Survey. Seismicity at Anatahan remains elevated. Satellite data show continued production of sulfur dioxide by the volcano. During times of northerly winds, a plume from Anatahan would extend south [...]

Current Kilauea status from HVO:
Kilauea Daily Update issued Feb 21, 2008 09:32 HST Volcanic-Alert Level WATCH - Aviation Color Code ORANGE
This report, in addition to maps, photos, and webcam images (available using the menu bar above), prepared by the Hawaiian Volcano Observatory (HVO):
Activity Summary for last 24 hours: A narrow, slow-moving pahoehoe lava flow entered [...]

Current Cleveland status from AVO:
Thursday, February 21, 2008 11:19 AM AKST (20:19 UTC)
CLEVELAND VOLCANO (CAVW #1101-24-)
52°49′20″ N 169°56′42″ W, Summit Elevation 5676 ft (1730 m)
Current Aviation Color Code: YELLOW
Current Volcano Alert Level: ADVISORY
Clouds obscured satellite views of Cleveland last night. No reports of activity have been received.
AVO monitors Cleveland Volcano with satellite imagery as [...]

CVO has lowered the status of Mount St. Helens and only issue updates on Fridays now:
MOUNT ST. HELENS UPDATE
Current Volcanic- Alert Level Advisory; Aviation Color Code Yellow: Growth of the new lava dome inside the crater of Mount St. Helens, which began in October 2004, appears to have paused during the past month. Therefore, we [...]

Current Long Valley status from LVO:
Long Valley Caldera Daily Update issued Feb 21, 2008 10:54 PST Volcanic-Alert Level NORMAL - Aviation Color Code GREEN
Only one earthquake was detected in the Long Valley caldera area since the last update on February 20, 2008. The event, a magnitude, M=1.1, was located in the Sierra Nevada south of [...]