A 2011 earthquake bounced a seismic wave off Earth's core, nudging Japan east

Waves reflecting off Earth's core shifted Japan after 2011 earthquake

An extremely unusual tectonic movement took place 15 minutes after the Tohoku earthquake in 2011, causing almost the whole of Japan to move 5 millimetres to the east

Massive Tohoku Earthquake Sent a Seismic Wave That Shifted All of Japan

Researchers discovered an unusual, nationwide shift when examining GPS records of the Tohoku earthquake.

A Giant Seismic Wave Bounced Off Earth's Core And May Have Shifted Japan

When the magnitude 9.0 Tōhoku earthquake struck off the coast of Japan in 2011, its seismic shivers did more than ripple through the planet.

A 2011 earthquake bounced a seismic wave off Earth's core, nudging Japan east

The wave's round trip to Earth's core set off a fault slip along Japan's plate boundaries, revealing a seismic hazard scientists hadn't recognized.