Magnitude 6.0 earthquake strikes near Yonaguni island, Okinawa prefecture; no major damage reported
A shallow earthquake with an epicenter off Yonaguni island shook parts of the Yaeyama island chain on September 30, 2026. Japan Meteorological Agency recorded it as magnitude 6.0 and issued a small sea level advisory, while the USGS measured it at magnitude 5.6. Authorities say there are no immediate reports of serious damage or casualties.