2025-12-09T23:04:36.382Z41.2677142.365949.983manualconfirmedUSGS4.6mb1Origin/20251210025817.850356.25662873Magnitude/20251210025817.850448.256628742025-12-09T23:09:42.503291Z2025-12-10T02:58:17.910078ZHokkaido, Japan Regionregion nameOrigin/20251210025817.850356.25662873