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. An advisory reading “Tsunami! Run!” (top) and “Tsunami warning issued for central Hokkaido’s Pacific Coast” flashes over the live ...

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 ...

TOKYO – Japanese authorities lifted tsunami warnings Tuesday hours after a powerful 7.5-magnitude earthquake shook northeastern regions, injuring at least 30 people and forcing about 90,000 residents ...

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 ...

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 — Japan on Friday issued a tsunami advisory after a 6.7 magnitude earthquake shook the country’s northeast, according to the Japan Meteorological Agency. The quake occurred off the east coast of ...

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 ...