January 26 marked the 325th anniversary since the last earthquake struck the Cascadia subduction zone. Centuries later, the ancient quake has left clues for scientists to prepare for the next one.

It concerns what is known as a subduction megathrust quake along the Nankai Trough, an 800-kilometer (500-mile) undersea gully running parallel to Japan's Pacific coast. The trench is where the ...

In 2011, a magnitude 9.1 earthquake off the coast of Japan triggered a devastating tsunami ... Scientists hope to better understand how subduction zones accumulate and release seismic energy. The 2011 ...

The Nankai Trough carves out around 900 kilometers (559 miles) along the south of Japan's biggest island of Honshu. It’s a subduction zone located where the Philippine Sea Plate is being ...