A new seismic phenomenon: seismic waves from the 2011 Tohoku-Oki earthquake ricocheted off the Earth’s core and shifted the entirety of Japan 6 millimeters to the east, enough to disrupt GPS measurements. [404media.co]
A seismic wave from the 2011 Tohoku-Oki earthquake bounced off the Earth’s core and hit Japan from below, shifting the entire mainland a quarter-inch eastward.
