Japan’s southwest Pacific coast

First-Ever Megaquake Warning In Japan: 7.1 Quake Sparks Alarm

In a landmark move, Japan’s meteorological agency has issued its first-ever “megaquake advisory” after a powerful 7.1-magnitude earthquake struck southern Japan on Thursday. This unprecedented alert highlights the heightened risk of strong seismic activity and large tsunamis in the Nankai Trough region, a critical subduction zone along Japan’s southwest Pacific...