6.9-magnitude earthquake rocks Japan

Japan's nuclear plants faced global scrutiny after the devastating 2011 tsunami triggered by a 9.0 magnitude earthquake.
U.S. Army aviators and Japanese troops are participating in Nankai Rescue, a U.S.-Japan disaster drill that kicked off Monday ...
The chance of a megaquake occurring in the Nankai Trough within the next 30 years has increased to approximately 80 percent, ...
After a powerful earthquake struck China's remote Tibet region, killing at least 126 people, an old video of houses ...