2025-09-15T15:32:33.859Z20.2901146.677910manualconfirmedUSGS4.4mb1Origin/20250915161807.440917.67399Magnitude/20250915161807.440986.674002025-09-15T16:18:00.056039Z2025-09-15T16:18:07.452111ZMariana Islands Regionregion nameOrigin/20250915161807.440917.67399