Researchers in the United States are combining current technology with the use of GPS in the hopes of substantially speeding up tsunami warnings.

An oceanographer warns that beachcombers on the U.S. West Coast may find shoes with human remains as more debris from last year's Japan tsunami washes ashore.

Indonesian authorities say five people had heart attacks and died after two large earthquakes triggered back-to-back tsunami warnings.

Northeastern Japan felt the effects of a magnitude 6.0 undersea earthquake that occurred around midnight on Wednesday, but there were no immediate reports of damage and no tsunami warning was issued.