Dunn, Robert2022-01-072022-01-072022-01-05http://hdl.handle.net/10125/81438A combined data set is provided that gives the station and source position information and travel time data for three combined active-source ocean bottom seismograph data sets located along the East Pacific Rise near latitude 9˚N. The original experiments consisted of a 1988 expedition aboard the R/V Thomas Washington (Toomey, D. R., Purdy, G. M., Solomon, S. C., & Wilcock, W. S. (1990). The three-dimensional seismic velocity structure of the East Pacific Rise near latitude 9 30′ N. Nature, 347(6294), 639-645), a 1993 expedition aboard R/V J. Vickers (Christeson, G. L., Shaw, P. R. & Garmany, J. D. (1997). Shear and Compressional Wave Structure of the East Pacific Rise, 9°-10°N. Journal of Geophysical Research: Solid Earth 102 (B4): 7821–35), and a 1997 expedition aboard R/V M. Ewing (Toomey, D. R., Jousselin, D., Dunn, R. A., Wilcock, W. S., & Detrick, R. S. (2007). Skew of mantle upwelling beneath the East Pacific Rise governs segmentation. Nature, 446(7134), 409-414).A combined data set is provided that gives the station and source position information and travel time data for three combined active-source ocean bottom seismograph data sets located along the East Pacific Rise near latitude 9˚N.en-USCC0 1.0 UniversalMarine geophysics--ResearchSeismic tomographyDataset