AVO uses several different types of data to monitor volcanoes for signs of unrest or eruptive activity. The data displayed here have not been reviewed in any way, and are preliminary unless reviewed by an AVO geoscientist.
0000 UTC= 4:00 PM AKDT on the previous day as UTC 0600 UTC = 10:00 PM AKDT on the previous day as UTC
1200 UTC= 4:00 AM AKDT on the same day as UTC 1800 UTC = 10:00 AM AKDT on the same day as UTC
RED LINES indicate either a calibration pulse, or where the signal was clipped
(too large to be recorded on the scale of the webicorder).
Aniakchak 24 hour webicorder
Seismic Station ANPK is 8.3 km (5.2 miles) from the active vent in Aniakchak Crater. This and the other Aniakchak stations are down due to station outages that were not able to be corrected in the latest field season.