After an investigation, the JMA said the quake did not warrant special measures related to seismic activity in the Nankai Trough. The Nankai Trough, where the Philippine Sea Plate is slipping ...

Immediately after, the Japan Meteorological Agency (JMA) said they would begin a temporary investigation into the possibility of issuing an emergency advisory alert regarding a potential Nankai ...

The Cabinet Office on Friday released improved public relations measures regarding the government's emergency alert system for a megaquake that may occur in the Nankai Trough off the country's ...