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 ...

TsunamiReady is a National Weather Service designation for a local government, tribe, or facility that has completed the following preparedness steps: Hazard Mapping: Define local tsunami hazard zones ...

Any large movement of land that causes major displacement of ocean water—from earthquakes, landslides, or volcanic eruptions—can generate a tsunami. Tsunamis generated in Alaska have caused damage and ...

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 ...

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 ...

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 ...

We recorded more than 55,000 earthquakes in Alaska last year. We would give you an exact figure, but we're still counting. The expanded network increased our total in 2018 as well, but not as much as ...