Alaska Cleveland Volcano Alert
In this article on the Alaska Cleveland Volcano Alert we give the cure=rent update from the Alaska Volcano Observatory and a link for more up to the minute information.
A new lava dome has been observed in the summit crater and the code level has been raised to ORANGE
| Image courtesy of the AVO/ADGGS. – Photographer/Creator: | Schaefer, Janet |
Additional information on Cleveland Volcano and the current activity may be found at this link:
http://www.avo.alaska.edu/activity/Cleveland.php
Alaska Cleveland Volcano Alert – AVO/USGS Volcanic Activity Notice Cleveland Volcano
From The Alaska Volcano Observatory at http://www.avo.alaska.edu/activity/report.php?id=21231&mode=hans&type=3
AVO/USGS Volcanic Activity Notice Cleveland Volcano
Volcano: Cleveland (CAVW #1101-24-)
Current Volcano Alert Level: WATCH
Previous Volcano Alert Level: ADVISORY
Current Aviation Color Code: ORANGE
Previous Aviation Color Code: YELLOW
Issued: Tuesday, January 31, 2012, 3:21 PM AKST (20120201/0021Z)
Source: Alaska Volcano Observatory
Notice Number: 2012/A2
Location: N 52 deg 49 min W 169 deg 56 min
Elevation: 5676 ft (1730 m)
Area: Aleutians Alaska
Volcanic Activity Summary: Renewed eruptive activity of Cleveland Volcano has been observed in satellite data, and AVO is raising the Aviation Color Code to Orange and the Alert Level to Watch. A new lava dome has been observed in the summit crater, and as of 30 January 2012 was approximately 40 meters (130 feet) in diameter. There have been no observations of ash emissions or explosive activity during this current lava eruption.
The lava dome that formed throughout the fall-winter of 2011 was largely removed by the explosive activity on 25 and 29 December, 2011. It remains possible for intermittent, sudden explosions of blocks and ash to occur at any time, and ash clouds exceeding 20,000 feet above sea level may develop.
Such explosions and their associated ash clouds may go undetected in satellite imagery for hours. If a large, explosive, ash-producing event occurs, seismic, infrasound, or volcanic lightning may be detected by local and regional monitoring networks. There is no real-time seismic monitoring network on Mount Cleveland.
That is the end of this Alaska Cleveland Volcano Alert article
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