2023-12-17T16:17:07.148Z37.8872144.331332.319manualconfirmedUSGS4.5mb1Origin/20231217165542.278744.13631Magnitude/20231217165542.278799.13632USGS260 km ESE of Onagawa Chō, Japanregion nameuscatalogus7000ljphcontributorID