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AVO VOLCANO ACTIVITY NOTIFICATION
(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued: (20170104/0704Z)
(3) Volcano: Bogoslof (VNUM #311300)
(4) Current Color Code: RED
(5) Previous Color Code: ORANGE
(6) Source: Alaska Volcano Observatory
(7) Notice Number: 2017/A8
(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: Seismic data from nearby islands detected a volcanic signal from Bogoslof volcano starting at 21:18 AKST today (6:18 UTC Jan 4) lasting ~5 minutes and a series of lightning strikes were identified by the World Wide Lightning Location Network. An eruption cloud as high as 33,000 ft has been detected in satellite data. AVO is therefore raising the Aviation Color Code for Bogoslof to RED and Volcano Alert Level to Warning.
(12) Volcanic cloud height: As high as 33,000 asl
(13) Other volcanic cloud information: moving north
(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

Janet Schaefer, Acting Coordinating Scientist, DGGS
janet.schaefer@alaska.gov (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: Tuesday, January 3, 2017, 10:04 PM AKST
Source: Alaska Volcano Observatory
Notice Number: 2017/A8
Location: N 53 deg 55 min W 168 deg 2 min
Elevation: 492 ft (150 m)
Area: Aleutians

Volcanic Activity Summary: Seismic data from nearby islands detected a volcanic signal from Bogoslof volcano starting at 21:18 AKST today (6:18 UTC Jan 4) lasting ~5 minutes and a series of lightning strikes were identified by the World Wide Lightning Location Network. An eruption cloud as high as 33,000 ft has been detected in satellite data. AVO is therefore raising the Aviation Color Code for Bogoslof to RED and Volcano Alert Level to Warning.

Recent Observations:
[Volcanic cloud height] As high as 33,000 asl
[Other volcanic cloud information] moving north

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

Janet Schaefer, Acting Coordinating Scientist, DGGS
janet.schaefer@alaska.gov (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.
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URL: avo.alaska.edu/activity/report.php
Page modified: December 2, 2016 10:12
Contact Information: AVO Web Team

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