|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Bogoslof (VNUM #311300)|
|(4) Current Color Code:||RED|
|(5) Previous Color Code:||ORANGE|
|(6) Source:||Alaska Volcano Observatory|
|(7) Notice Number:||2017/A47|
|(8) Volcano Location:||N 53 deg 55 min W 168 deg 2 min|
|(10) Summit Elevation:||492 ft (150 m)|
|(11) Volcanic Activity Summary:||Explosive eruption of Bogoslof confirmed, starting at approximately 13:17 AKST (22:17 UTC) based on seismic data and lightning detected from the World Wide Lightning Location Network. A volcanic plume is not yet visible in satellite data. Winds are currently to the southeast. More information to follow.
We are raising the Aviation Color Code to RED and the Alert Level to WARNING.
AVO has no ground-based volcano monitoring equipment on Bogoslof volcano. We continue to monitor satellite images, data from distant seismic and infrasound instruments, and information from the Worldwide Lightning Location Network for indications of significant activity.
|(12) Volcanic cloud height:||not available|
|(13) Other volcanic cloud information:||not available|
|(14) Remarks:||Status of the ash cloud can be found at the Alaska Aviation Weather Unit website at http://aawu.arh.noaa.gov/|
|(15) Contacts:||Michelle Coombs, Scientist-in-Charge, USGS
email@example.com (907) 786-7497
Jeff Freymueller, Coordinating Scientist, UAFGI
firstname.lastname@example.org (907) 322-4085
|(16) Next Notice:|
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