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Seismic activity is monitored in real time at 20 volcanoes
in Alaska. Some of these volcanoes may currently display
anomalous seismicity, but they are not considered to be at
a dangerous level of unrest.
Spurr, Redoubt, Iliamna, Augustine, Snowy, Griggs, Katmai,
Novarupta, Trident, Mageik, Martin, Aniakckak, Pavlof, Dutton, Akutan, Shishaldin, Isanotski, Fisher, Westdahl, and Makushin volcanoes are all at or near normal levels of background seismicity.