|(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 explosive event occurred at Bogoslof volcano at 15:50 UTC on June 5 (7:50 am AKDT) and produced a small volcanic cloud that was observed by a pilot. Winds are transporting the cloud towards the south at an estimated altitude of 20,000 ft asl. The duration of the event was less than 2 minutes, and seismicity returned to low levels following the explosion.
Due to the brevity of the event, the Aviation Color Code remains at ORANGE and the Volcano Alert Level remains at WATCH.
|(12) Volcanic cloud height:||20,000 ft asl|
|(13) Other volcanic cloud information:||NWS eruption SIGMET issued.|
|(14) Remarks:||The National Weather Service Alaska Aviation Weather Unit has issued an eruption SIGMET warning for aviation up to 20,000 ft above sea level. 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
Jessica Larsen, Acting Coordinating Scientist, UAF email@example.com (907) 322-4085
|(16) Next Notice:|
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