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AVO VOLCANO ACTIVITY NOTIFICATION
(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued: (20170607/1505Z)
(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
(9) Area: Aleutians
(10) Summit Elevation: 492 ft (150 m)
(11) Volcanic Activity Summary: A short duration explosive event occurred at Bogoslof volcano at 14:30 UTC on June 7 (6:30 am AKDT). Seismic signals indicate that this event was slightly larger than a similar explosion detected at Bogoslof yesterday morning The duration of the event was about 2 minutes, and seismicity returned to low levels following the explosion. No volcanic cloud has been seen in satellite data as of 14:30 UTC. Due to the brevity of the event, the Aviation Color Code remains at ORANGE and the Volcano Alert Level remains at WATCH.

This level of activity is consistent with the current Aviation Color Code of ORANGE and the Volcano Alert Level of WATCH.
(12) Volcanic cloud height: None observed in satellite data through 14:30 UTC
(13) Other volcanic cloud information: Unknown
(14) Remarks:
(15) Contacts: Michelle Coombs, Scientist-in-Charge, USGS
mcoombs@usgs.gov (907) 786-7497

Jessica Larsen, Acting Coordinating Scientist, UAF
jflarsen@alaska.edu (907) 322-4085
(16) Next Notice:

AVO/USGS Volcanic Activity Notice

Volcano: Bogoslof (VNUM #311300)

Current Volcano Alert Level: WATCH

Current Aviation Color Code: ORANGE

Issued: Wednesday, June 7, 2017, 7:05 AM AKDT
Source: Alaska Volcano Observatory
Notice Number:
Location: N 53 deg 55 min W 168 deg 2 min
Elevation: 492 ft (150 m)
Area: Aleutians

Volcanic Activity Summary: A short duration explosive event occurred at Bogoslof volcano at 14:30 UTC on June 7 (6:30 am AKDT). Seismic signals indicate that this event was slightly larger than a similar explosion detected at Bogoslof yesterday morning The duration of the event was about 2 minutes, and seismicity returned to low levels following the explosion. No volcanic cloud has been seen in satellite data as of 14:30 UTC. Due to the brevity of the event, the Aviation Color Code remains at ORANGE and the Volcano Alert Level remains at WATCH.

This level of activity is consistent with the current Aviation Color Code of ORANGE and the Volcano Alert Level of WATCH.


Recent Observations:
[Volcanic cloud height] None observed in satellite data through 14:30 UTC
[Other volcanic cloud information] Unknown
[Lava flow/dome] N/A
[Lava flow] N/A

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

Jessica Larsen, Acting Coordinating Scientist, UAF
jflarsen@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.
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Page modified: December 2, 2016 10:12
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