|(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 brief explosive eruption began at Bogoslof volcano at 23:08 UTC (15:08 AKDT) on August 27 and lasted about two minutes. No ash cloud has been detected as of yet in satellite data, but volcanic ash emission likely occurred based on seismic and infrasound data. Signal strengths suggest that the cloud is likely below 20,000 ft asl. Winds are towards the southeast.
The Aviation Color Code remains at ORANGE and the Volcano Alert Level remains at WATCH. AVO is evaluating all data sources and will provide more information as it becomes available.
|(12) Volcanic cloud height:||None detected yet.|
|(13) Other volcanic cloud information:||winds toward southeast|
|(14) Remarks:||Please see the NWS AAWU at http://www.weather.gov/aawu/sigmets for updated information on aviation warning messages.|
|(15) Contacts:||Michelle Coombs, 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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