A major 7.5-magnitude quake off the coast of Alaska triggered small tsunami waves on Monday, US agencies said, but there were no immediate reports of casualties or damage. Residents evacuated to ...

The Alaska Earthquake Center reported a Magnitude 4.4 earthquake, registered originally as M4.3, 28 miles east of Mount Spurr ...

Because of Barry Arm’s potential for a catastrophic collapse, the site has received special focus from agencies trying to ...

Researcher Matt Haney says the decrease in likelihood is due to a drop in a few indicators of volcanic unrest, namely shallow ...

ANCHORAGE, Alaska (KTUU) - The National Tsunami Warning Center has canceled a tsunami warning for Oregon and California, following a magnitude 7.0 earthquake off the coast of California.

The quake hit just before noon and was centered about 70 miles south-southwest of Adak, Alaska, according to USGS data. A tsunami warning was not issued in Alaska, California, the Pacific ...

Tsunamis form from sudden water movements, mainly undersea earthquakes, spreading waves across oceans and increasing as they near shores.

With a magnitude of 9.5, this is the strongest earthquake ever recorded. It caused massive destruction and triggered a powerful tsunami. A 9.1–9.3 magnitude earthquake struck on December 26, 2004. It ...