A new study claims that an 80-100-foot-wide layer of clay exacerbated the 2011 earthquake.

The earthquake that killed tens of thousands of people and led to the Fukushima nuclear shutdown was amplified by a soft layer of slippery clay, according to a new study. The layer is only around ...

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 ...

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

Aftershocks have been felt across Japan after a 7.5-magnitude earthquake hit the country on Monday. The quake has left at least 51 people injured, with the Japan Meteorological Agency (JMA) warning ...

Japan was assessing damage Tuesday and cautioning people of potential aftershocks after a late-night 7.5 magnitude earthquake caused injuries, light damage and a tsunami in Pacific coastal communities ...

New findings published in the journal Science help explain why the 2011 earthquake off the coast of Japan created such a large tsunami. An international team of geologists and geophysicists drilled ...

AOMORI, Japan — A powerful 7.5-magnitude earthquake struck off the coast of Aomori, Japan, on December 8, prompting tsunami warnings and evacuations for about 90,000 residents. The Japan ...