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 ...

In this week's Science for All newsletter, Divya Gandhi explains the origins of the devastating 2011 Japan earthquake.

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 ...