It’s notorious for its megathrust earthquakes, powerful seismic events that occur where one tectonic plate is forced beneath ...

About 20,000 people were killed. Then there’s the looming threat of the Nankai Trough megathrust earthquake – the most powerful of its kind, with magnitudes that can exceed 9. Seismologists ...

Japan’s meteorological agency on Thursday issued its first-ever “megaquake advisory.” The warning followed a 7.1-magnitude earthquake off the country’s southern coast. That raises the risk ...

Experts warn that an earthquake between two tectonic plates that converge along the Nankai megathrust fault, which runs from Kyushu north through Tokyo, could cause devastation. It could ...

At the interface of these two plates is a massive fault zone called the Nankai megathrust, which hosts earthquakes of magnitude 8 or greater every 100 to 150 years. The most recent such quake ...