This data set was acquired with a ship-based navigation system during R/V Bjarni Saemundsson expedition BSTFZB9 conducted in 2001 (Chief Scientist: Dr. Robert Detrick). These data files are of shapefile format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project: Pilot Study of the Tjornes Fracture Zone, offshore Northern Iceland, using High-Resolution Multi-channel Seismic Reflection Profiling and CHIRP Sonar, and funding was provided by NSF grant: OCE01-14357.