Communities are selected with consideration to their tsunami hazard exposure, location, infrastructure, availability of data, ...

Coastal communities in Alaska face some of the most significant tsunami hazards in the United States. Tsunamis can strike within minutes of an earthquake or coastal landslide, making tsunami awareness ...

The University of Alaska is an equal opportunity/equal access employer and educational institution. The University is committed to a policy of nondiscrimination against individuals on the basis of any ...

For more information on how to use the tsunami map tool please see this instructional video. The red line is the maximum calculated extent of flooding caused by tsunamis. This line is NOT the ...

A flying boat dropped Paddy Sherman’s mountaineering expedition at Lituya Bay on June 17, 1958. Over the next three weeks, the climbers made the second ascent of Mount Fairweather, a first ascent of ...

Someone recently asked, “Why doesn’t the Alaska Earthquake Center report how long an earthquake lasts?” We could ask in reply, “Do you mean the earthquake itself or the shaking you feel under your ...

Earthquakes in Southcentral Alaska are produced by a number of different tectonic features. (1) The strongest earthquakes in Southcentral Alaska are generated by the megathrust fault that marks the ...

Earthquakes in Southcentral Alaska are produced by a number of different tectonic features. (1) The strongest earthquakes in Southcentral Alaska are generated by the megathrust fault that marks the ...

On Friday August 7th, close to 9 pm, the area west of Susitna swayed from a magnitude 5.6 earthquake in the shallow crust (Figure 1). Alaska Earthquake Center seismic data manager Heather McFarlin was ...

Early on August 10, 2025 the Earthquake Center received reports from people out boating of a mysterious local tsunami in the Endicott Arm area of Southeast Alaska, with waves of 10–15 ft near Harbor ...

Earthquakes in Southcentral Alaska are produced by a number of different tectonic features. (1) The strongest earthquakes in Southcentral Alaska are generated by the megathrust fault that marks the ...