A megaquake in the Pacific Northwest could trigger a large earthquake along California's San Andreas Fault, creating an unprecedented catastrophe up and down the Pacific Coast, a new study has found.

Japan is on alert after a magnitude 7.5 earthquake struck its northern regions late on Monday, prompting tsunami warnings and a rare government advisory about the possibility of a “megaquake” over the ...

Japan issued a megaquake advisory Tuesday after a magnitude 7.5 earthquake struck off the eastern coast of Aomori, the ...

As small quakes cluster off the coast, a new seabed study shows the Nankai Trough’s ‘locked zone’ is far more fluid than ...

The Cabinet Office released on March 31 slightly lower death and disaster projections from an expected Nankai Trough megaquake than calculated a decade ago, but the numbers remain horrific and far ...

Add Yahoo as a preferred source to see more of our stories on Google. People along hundreds of miles of coastline in Japan are being warned about the possibility of a "megaquake" hitting the country.

Add Yahoo as a preferred source to see more of our stories on Google. A live feed from the Japan Broadcasting Corporation (NHK) warns of a tsunami alert issued after an earthquake hit northern Japan ...

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 ...

A seismic wave generated by Japan's devastating 2011 magnitude 9.0 Tohoku-Oki earthquake travelled nearly 2,900 kilometres to ...

TOKYO (AP) — Japan issued a megaquake advisory Tuesday after a magnitude 7.5 earthquake struck off the eastern coast of Aomori, the northernmost prefecture of Japan’s main island of Honshu, and just ...