The March 2011 earthquake near Japan – which reached 9 on the Richter scale – was not anticipated for that region of the ocean, geophysicists say.

A powerful earthquake that hit Japan on Saturday was an aftershock of the devastating 9.0 magnitude quake that struck the same area almost 10 years ago, according to the national Meteorological ...

The U.S. Geological Survey has updated the magnitude of the March 11, 2011, Tohoku earthquake in northern Honshu, Japan, to 9.0 from the previous estimate of 8.9. Independently, Japanese ...

When the magnitude 9.0 Tohoku-Oki earthquake and resulting tsunami struck off the northeast coast of Japan on March 11, they caused widespread destruction and death. Using observations from a ...

A powerful earthquake that hit Japan on Saturday was an aftershock of the devastating 9.0 magnitude quake that struck the same area almost 10 years ago.

Geophysical observations from the 2011 moment magnitude (M w) 9.0 Tohoku-Oki, Japan earthquake allow exploration of a rare large event along a subduction megathrust. Models for this event indicate ...

One of the most powerful earthquakes in decades has struck Russia's far east, causing 5m tsunami waves and prompting ...

Japan Tsunami Anniversary: Millions Mark Moment 2011 Quake Struck <p>More than a quarter of a million remain homeless three years after the magnitude 9.0 earthquake.</p> ...

When the magnitude of the earthquake off Tohoku, Japan, was calculated to be 9.0, it joined the ranks of "megathrust" earthquakes -- exceptionally large ruptures involving 5 to 10 meters of slip ...

The strong earthquake that struck Tuesday off the coast of Fukushima prefecture was an aftershock of the magnitude 9.0 earthquake that spawned a deadly tsunami in the same region in 2011, the ...