A tsunami triggered by a large earthquake in Alaska would take approximately five hours to reach the city, the 2021 maps showed. Those findings were based on how, in 1964, a 9.2-magnitude ...

See below for a map of tsunami risk by county, and a list of the U.S. counties at greatest risk from such a disaster.

A major 7.5-magnitude quake off the coast of Alaska triggered small tsunami waves on Monday ... quake which struck at a depth of 40 km. The at-risk zone extended hundreds of miles northeast ...