2025-08-13T19:13:39.678Z36.4284140.992759.611manualconfirmedUSGS4.9mww1Origin/20250813193220.616202.240357Magnitude/20250813193220.616253.240358USGS36 km ESE of Hitachi, Japanregion nameuscatalogus6000r0ejcontributorID