A tsunami warning was issued for south Alaska and the Alaska Peninsula after a 7.3-magnitude earthquake struck at around 4.30 p.m. ET on Wednesday, according to the National Weather Service (NWS ...

Early measurements put the quake’s magnitude at 7.3.The National Tsunami Warning Center issued a warning for an area stretching from about 40 miles southwest of Homer to Unimak Pass, a distance ...

An earthquake just off California’s coast poses dire tsunami risk for many communities Boats collide as a tsunami’s water sweep through Crescent City, Calif., in 2011.

So a tsunami caused by an earthquake probably wasn’t the culprit in this case, said Annie Lau, a coastal geomorphologist at the University of Queensland and Mr. Köhler’s thesis adviser.

This picture taken by a Miyako City official on March 11, 2011 and released on March 18, 2011 shows a tsunami breeching an embankment and flowing into the city of Miyako in Iwate prefecture ...