The earthquake that killed tens of thousands of people and led to the Fukushima nuclear shutdown was amplified by a soft ...

A thin, soft and slippery layer of clay-rich mud embedded in rock below the seafloor intensified the 2011 Japan earthquake ...

That expedition used Japan's ultra-advanced drilling ship Chikyū, and marked the first time scientists had ever drilled directly into the fault zone of a recent megathrust earthquake. They drilled ...

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 ...