2025-12-12T03:26:00.0000Z4114320manualconfirmedJMA4.51Origin/20251212033127.719577.25853717Magnitude/20251212033127.719651.258537182025-12-12T03:31:30.408716ZHokkaido, Japan Regionregion nameOrigin/20251212033127.719577.25853717