A strong earthquake that struck southwestern Japan early Jan. 22 without causing major damage was deemed unlikely to trigger a long-feared offshore megaquake in the Nankai Trough facing the ...

The probability that a Nankai Trough megaquake will occur in the next 30 years has risen to “around 80%,” according to new research released Wednesday by a government expert panel. Every year ...

According to Japan's Earthquake Research Committee, there’s an 80 percent chance that a megaquake could occur in the Nankai Trough within the next 30 years. That's slightly up from the 70 to 80 ...

The risk level for a potential powerful earthquake striking along the Nankai Trough has increased, but there is no reason to panic, the government says. It recommends being prepared for the worst ...