It was followed shortly after by a tsunami warning affecting ... Federal Emergency Management Agency. See below for a map of tsunami risk by county, and a list of the U.S. counties at greatest ...

While rare, a tsunami could arrive just minutes after the earth ... Those who live in higher-risk areas should also, ideally, have a go-bag ready, he added. Here are maps showing some of Southern ...

The Greek islands of Santorini and Amorgos have been rattled by earthquakes and tremors since Feb. 1, with the strongest being 5.3 on the Richter scale.

The risk could be widespread, however. Earlier this month, a tsunami warning covering most of coastal Northern California was issued after a magnitude ... and no maps or evacuation signs are ...