2 strong magnitude 5.3 earthquakes hit Japan

Two magnitude 5.3 earthquakes hit Japan on Tuesday, according to Japan’s Meteorological Agency. The first quake hit the state of Fukushima, and occurred 50 kilometers (31 miles) below the surface, ... ( read original story ...)

‘Wobble’ may precede some great earthquakes

The land masses of Japan shifted from east to west to east again in the months before the strongest earthquake in the country's recorded history, a 2011 magnitude-9 earthquake that killed more than 15 ... ( read original story ...)