ANCHORAGE, Alaska (AP) — A lightly populated stretch of Alaska’s southern coast was under a tsunami warning Wednesday after a ...

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.

A tsunami warning was issued for parts of coastal Alaska after an earthquake in the Gulf of Alaska, according to the U.S. Tsunami Warning System. The National Tsunami Warning Center said that a ...

Scientists discover enormous pockets of salty brine beneath the Pacific Ocean, key to understanding periodic underwater ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.