15, but urged the public to remain vigilant for a possible Nankai Trough earthquake. The Japan Meteorological Agency issued its first megaquake advisory after a magnitude-7.0 earthquake struck off ...

The trough is off Japan's southwest Pacific coast and runs for approximately 900km, where the Philippine Sea Plate is subducting under the Eurasian Plate. The accumulating tectonic strains could ...

Earlier in August 2024, the Japan Meteorological Agency (JMA) issued its first advisory of a megaquake along the Nankai Trough, which is a 900-km undersea fault that runs from Kyushu to Shizuoka.

Japan has estimated that up to 298,000 people could die if a “megaquake” of about magnitude 9 occurs along the Nankai Trough south of the country’s Pacific coast. The government’s estimate ...