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 ...

Earthquakes can’t be predicted. But a manga artist’s dream of a July 5 'megaquake' has spooked some residents and travelers.

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 ...

Emergency alerts issued in the event of earthquakes off the Pacific coast of central Japan are expected to experience delays ...

TOKYO (AP) — Japan lifted a megaquake advisory for the country's northeastern coast Tuesday, one week after a magnitude 7.5 earthquake struck off northern Japan that officials said had caused an ...

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 ...

New research shows that a fragile clay layer beneath the Japan Trench played a key role in the extreme seafloor movement ...

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 ...

TOKYO (AP) — 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 ...