A tsunami warning was issued for southern Alaska on Monday after a major earthquake and large aftershock hit near the Alaskan Peninsula. The warning was later downgraded to an advisory by the National ...

The West Coast and Alaska Tsunami Warning Center has canceled a tsunami warning it issued after a large earthquake struck in the Aleutian Islands at 1:55 a.m. local time. The USGS revised the quake ...

COURTESY USGS A magnitude 7.0 struck southeast Alaska this morning but poses no threat to Hawaii. COURTESY USGS A magnitude 7.0 struck southeast Alaska this morning but poses no threat to Hawaii.

The Barry Arm landslide is enormous—about 500 million cubic meters of rock, roughly the size of a city block and enough material to bury Manhattan under a 200‑foot layer of debris. The slope has been ...

SEATTLE — The National Oceanic and Atmospheric Administration ended a contract with the Alaska Earthquake Center that helped maintain some seismic stations and transmit data in real time. Alaska state ...

Millions of people along the coasts of the Pacific Northwest, Hawaii and Alaska rely on tsunami warnings to tell them that potentially dangerous waves are coming, sometimes in a matter of minutes.