|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Bogoslof (VNUM #311300)|
|(4) Current Color Code:||ORANGE|
|(5) Previous Color Code:||ORANGE|
|(6) Source:||Alaska Volcano Observatory|
|(7) Notice Number:|
|(8) Volcano Location:||N 53 deg 55 min W 168 deg 2 min|
|(10) Summit Elevation:||492 ft (150 m)|
|(11) Volcanic Activity Summary:||A short-duration eruption began at Bogoslof volcano at 11:31 UTC on March 13 (3:31 AKDT on March 13) and ended 12 minutes later. An ash cloud has been detected in satellite data, and volcanic ash emissions are also likely occurring based on infrasound data. Winds are towards the south-southwest.
We are evaluating the magnitude of this eruptive episode. Although the episode appears to be over and of short duration, additional activity is possible. The Aviation Color Code remains at ORANGE and the Volcano Alert Level remains at WATCH at present. AVO is evaluating all data sources and will update this report as more information becomes available.
|(12) Volcanic cloud height:||Ash cloud detected. NWS eruption SIGMET issued to 18,000 ft asl.|
|(13) Other volcanic cloud information:||n/a|
|(14) Remarks:||The National Weather Service Alaska Aviation Weather Unit has issued an eruption SIGMET warning for aviation up to 18,000 ft above sea level. This may be revised as new information becomes available. Please see the NWS AAWU at http://www.weather.gov/aawu/sigmets for updated information on aviation warning messages.|
|(15) Contacts:||Dave Schneider, Acting Scientist-in-Charge, USGS
firstname.lastname@example.org (907) 786-7497
Jeff Freymueller, Coordinating Scientist, UAFGI
email@example.com (907) 322-4085
|(16) Next Notice:|
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