2025-12-09T05:15:50.356Z41.3181142.820847.014manualconfirmedUSGS4.6mb1Origin/20251209062758.236003.25575765Magnitude/20251209062758.236105.255757662025-12-09T05:21:45.867547Z2025-12-09T06:27:58.276164ZHokkaido, Japan Regionregion nameOrigin/20251209062758.236003.25575765