A Japanese government panel raised the chance of a major earthquake in the Nankai Trough off Japan to 75-82% within the next 30 years. (AP pic)
Japan Strengthens “Megaquake” Preparedness Plan Amid Rising Risk
Stretching nearly 800 kilometers beneath the Pacific, the Nankai Trough marks where the Philippine Sea Plate subducts under the Eurasian Plate. Historical records show devastating megaquakes have struck every 100 to 200 years over the last 1,400 years—the last major event occurred in 1946.