Expected epicenter area for Nankai Trough megaquake

TOKYO, Japan, Dec. 18 Kyodo - The shaded area on the map shows the likely epicenter zone for a megaquake that is expected to occur with a probability of 70-80 percent within 30 years around the Nankai Trough (red line) running along Japan's Pacific coast. The Japanese government issued a megaquake advisory after an M7.1 quake hit southwestern Japan on Aug. 8, 2024, with its epicenter (circle in lower L) located within the area.