(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued: (20170122/2349Z)
(3) Volcano: Bogoslof (VNUM #311300)
(4) Current Color Code: RED
(5) Previous Color Code: ORANGE
(6) Source: Alaska Volcano Observatory
(7) Notice Number: 2017/A64
(8) Volcano Location: N 53 deg 55 min W 168 deg 2 min
(9) Area: Aleutians
(10) Summit Elevation: 492 ft (150 m)
(11) Volcanic Activity Summary: The eruption today around 14:09 AKST (23:09 UTC), first detected by lightning, has produced a volcanic cloud seen in satellite images moving north of Bogoslof and reaching as high as 30,000 ft asl. We are raising the Aviation Color Code to RED and the Volcano Alert Level to WARNING.

High winds due to a storm in the area are hindering our ability to detect the eruption in seismic data.
(12) Volcanic cloud height: 30,000 ft asl
(13) Other volcanic cloud information: north of volcano
(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
mcoombs@usgs.gov (907) 786-7497

Jeff Freymueller, Coordinating Scientist, UAFGI
jfreymueller@alaska.edu (907) 322-4085
(16) Next Notice:

AVO/USGS Volcanic Activity Notice

Volcano: Bogoslof (VNUM #311300)

Current Volcano Alert Level: WARNING
Previous Volcano Alert Level: WATCH

Current Aviation Color Code: RED
Previous Aviation Color Code: ORANGE

Issued: Sunday, January 22, 2017, 2:49 PM AKST
Source: Alaska Volcano Observatory
Notice Number: 2017/A64
Location: N 53 deg 55 min W 168 deg 2 min
Elevation: 492 ft (150 m)
Area: Aleutians

Volcanic Activity Summary: The eruption today around 14:09 AKST (23:09 UTC), first detected by lightning, has produced a volcanic cloud seen in satellite images moving north of Bogoslof and reaching as high as 30,000 ft asl. We are raising the Aviation Color Code to RED and the Volcano Alert Level to WARNING.

High winds due to a storm in the area are hindering our ability to detect the eruption in seismic data.


Recent Observations:
[Volcanic cloud height] 30,000 ft asl
[Other volcanic cloud information] north of volcano

Remarks: Status of the ash cloud can be found at the Alaska Aviation Weather Unit website at http://aawu.arh.noaa.gov/

Contacts: Michelle Coombs, Scientist-in-Charge, USGS
mcoombs@usgs.gov (907) 786-7497

Jeff Freymueller, Coordinating Scientist, UAFGI
jfreymueller@alaska.edu (907) 322-4085

The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.