Add Yahoo as a preferred source to see more of our stories on Google. Japan's catastrophic Tohoku-Oki earthquake in 2011 was so strong that it caused the entire country to "slip," in some areas by as ...

Minutes after the massive 2011 Japan earthquake and tsunami that killed nearly 20,000 people, "a previously unrecognised" phenomenon may have caused the whole country to shift further eastwards, a new ...

(CNN) — Here’s a look at the earthquake and tsunami that struck Japan in March of 2011. March 11, 2011 – At 2:46 p.m., a 9.1 magnitude earthquake takes place 231 miles northeast of Tokyo at a depth of ...

A seismic wave from the 2011 Tohoku earthquake travelled 2,900 km deep to the boundary between Earth's mantle and outer core before bouncing back and triggering a permanent shift in parts of Japan.