A thick layer of slippery clay on the ocean floor may have formed the weak spot that enabled a magnitude 9.1 quake to make ...

Japan was struck by a new 6.9-magnitude earthquake on Friday morning, hitting a similar area of the Pacific coast to Monday night’s powerful 7.5-magnitude tremor. The new quake off Aomori prefecture ...

Add Yahoo as a preferred source to see more of our stories on Google. A powerful earthquake that jolted northern Japan on Dec. 8 and triggered tsunami warnings is not expected to impact the United ...

A powerful quake rattled northern Japan Sunday evening, followed by several more temblors, according to the Japan Meteorological Agency. A tsunami advisory was issued. The earthquake, with a ...

TOKYO (AP) — A powerful quake rattled northern Japan Sunday evening, followed by several more temblors, according to the Japan Meteorological Agency. A tsunami advisory was issued. The earthquake, ...

A barnacle-covered fishing boat that washed ashore this month in Crescent City has been confirmed as the first debris from the 2011 tsunami in Japan to reach California's shores. The National Oceanic ...

A thin, soft and slippery layer of clay-rich mud embedded in rock below the seafloor intensified the 2011 Japan earthquake that produced a tsunami that claimed tens of thousands of lives and decimated ...

A very strong earthquake hit off Japan’s northeastern coast late Dec. 8, and officials warned people who live near the sea to move to higher ground. The quake measured magnitude 7.6 and was centered ...

TOKYO (AP) — A powerful 7.5 magnitude earthquake struck off northern Japan late Monday, injuring 23 people and triggering a tsunami in Pacific coast communities, officials said. Authorities warned of ...