SHIPS - Publications by Topic

Ground Amplification Studies
Upper Mantle Structure and Subducting Slab Geometry
Seattle Fault and Basin
Georgia Basin and Vancouver Island
Tacoma Fault and Basin

Ground Amplification Studies

Barberopoulou, A., A. Qamar, T.L. Pratt, K.C. Creager, and W.P. Steele, 2004, Local amplification of seismic waves from the Mw7.9 Alaska earthquake and damaging seiches in Lake Union, Seattle, Washington, Geophys. Res. Lett., v. 31, L03607, doi: 10.1029/2003GL018569. Abstract PDF

Brocher, T.M., T. L. Pratt, C.S. Weaver, C.M. Snelson, and A.D. Frankel, 2002, Implosion, earthquake, and explosion recordings from the 2000 Seattle Kingdome Seismic Hazards Investigation in Puget Sound (SHIPS), Washington, U.S. Geological Survey Open-File Report 02-123, 29 p. http://geopubs.wr.usgs.gov/open-file/of02-123/ Abstract

Brocher, T.M., Pratt, T.L., and the Dry SHIPS Working Group, 2001, Dry SHIPS Recordings of the Chi-Chi earthquake, Seattle, Washington, Bull. Seismol. Soc. Amer., v. 91, p. 1395 (with CD-supplement of seismic data). Abstract

Hartzell, S., Carver, D., Cranswick, E., and A. Frankel, 2000, Variability of site response in Seattle, Washington, Bull. Seism. Soc. Am., 90, 1237-1250. Abstract PDF

Li, Q., W. Wilcock, T.L. Pratt, C.M. Snelson, and T.M. Brocher, 2006, Seismic attenuation structure of the Seattle basin, Washington state, from explosive-source refraction data; Bull. Seism. Soc. Am., 96, in press. Abstract PDF

Pitarka, A., R. Graves, and P. Somerville, 2004, Validation of a 3D velocity model of the Puget Sound region based on modeling ground motion from the February 28, 2001 Nisqually earthquake, Bull. Seism. Soc. Am., 94, 1670-1689. Abstract PDF

Pratt, T.L., K.L. Meagher, T.M. Brocher, T. Yelin, R. Norris, L. Hultgrien, E. Barnett, and C.S. Weaver, 2003, Earthquake recordings from the 2002 Seattle Seismic Hazard Investigation of Puget Sound (SHIPS), Washington State, U.S. Geological Survey Open-File Report 03-361, 72 p. http://geopubs.wr.usgs.gov/open-file/of03-361/ Abstract

Pratt, T.L., T.M. Brocher, C.S. Weaver, K.C. Creager, C.M. Snelson, R.S. Crosson, K.C. Miller, and A.M. Tréhu, 2003, Amplification of seismic waves by the Seattle basin, Bull. Seism. Soc. Am., 93, 533-545. Abstract PDF

Pratt, T.L., and T.M. Brocher, 2005, Attenuation within sedimentary basins and the shapes of site response curves in the Puget Lowland, Washington State, Bull. Seism. Soc. Am., in press. Abstract

Pratt, T.L., M.E. Templeton, R. Frost, and A. Pierson, 2006, Variations in geophone responses in temporary seismic arrays, Seism. Res. Lett., 76, in press.. Abstract PDF

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Upper Mantle Structure and Subducting Slab Geometry

Blakely, R.J., T.M. Brocher, and R.E. Wells, 2005, Subduction zone magnetic anomalies and implications for hydrated forearc mantle, Geology, 33, 445-448. Abstract PDF

Brocher, T.M., T. Parsons, A.M. Tréhu, C.M. Snelson, and M.A. Fisher, 2003, Seismic evidence for widespread serpentinized forearc upper mantle along the Cascadia margin, Geology, 31, no. 3, 267-270. Abstract PDF

Calvert, A.J., M.A. Fisher, K. Ramachandran, and A.M. Tréhu, 2003, Possible emplacement of crustal rocks into the forearc mantle of the Cascadia subduction zone, Geophys. Res. Lett., 30(23), 2196, SDE 3-1 to 3-4, doi:10.1029/2003GL018541. Abstract PDF

Calvert, A.J., 2004, Seismic reflection evidence for two megathrusts in the northern Cascadia subduction zone, Nature, 428, 163-167. Abstract PDF

Calvert, A. J.,, K. Ramachandran, Honn Kao, and M. A. Fisher (2006). Local Thickening of the Cascadia Forearc Crust and the Origin of Seismic Reflectors in the Uppermost Mantle, Tectonophysics, in press. Abstract PDF

Creager, K.C., L.A. Preston, R.L. Crosson, T. van Wagoner, A. Tréhu, and the SHIPS Working Group, 2002, Three-dimensional reflection image of the subducting Juan de Fuca plate, U.S. Geological Survey Open-File Report 02-328 and Geological Survey of Canada Open File 4350, p. 37-42. http://geopubs.wr.usgs.gov/open-file/of02-328/ Abstract

Kao, H., S.-Ju. Shan, G. Rogers, H. Dragert, J. F. Cassidy, and K. Ramachandran (2005). Depth distribution of seismic tremors along the northern Cascadia margin, Nature, 436, 841-844, doi:10.1038/nature03903. Abstract PDF

Nedimovic, M.R., R.D. Hyndman, K. Ramachandran, and G.D. Spence, 2003, Reflection signature of seismic and aseismic slip on the northern Cascadia subduction thrust, Nature, 424, 416-420. Abstract PDF

Preston, L. A., 2003, Simultaneous inversion of 3D velocity structure, hypocenter Locations, and reflector geometry in Cascadia, Ph. D. thesis, University of Washington, Seattle, 135 pp. Abstract PDF

Preston, L.A., K.C. Creager, R.S. Crosson, T.M. Brocher, and A.M. Tréhu, 2003, Intraslab earthquakes: Dehydration of the Cascadia slab, Science, 302, no. 5648, p. 1197-1200. Abstract PDF

Ramachandran,K., and R.D. Hyndman, 2005, P- and S-wave velocity structure beneath SW British Columbia: constraints on serpentinized forearc mantle wedge, Geophy. Res. Lett., in press. Abstract PDF

Ramachandran, K., R. D. Hyndman, and T. M. Brocher, 2006, Regional P-wave velocity structure of the Northern Cascadia Subduction Zone, J. Geophys. Res., in review. Abstract PDF

Tréhu, A.M., T.M. Brocher, K. Creager, M. Fisher, L. Preston, G. Spence, and the SHIPS98 Working Group, 2002, Geometry of the subducting Juan de Fuca plate: New constraints from SHIPS98, U.S. Geological Survey Open-File Report 02-328 and Geological Survey of Canada Open File 4350, p. 25-32. http://geopubs.wr.usgs.gov/open-file/of02-328/ Abstract

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Seattle Fault and Basin

Brocher, T.M., T. Parsons, K. C. Creager, R. S. Crosson, N. P. Symons, G. Spence, B.C. Zelt, P.T.C. Hammer, R. D. Hyndman, D.C. Mosher, A. M. Tréhu, K. C. Miller, U.S. ten Brink, M.A. Fisher, T. L. Pratt, M.G. Alvarez, B.C. Beaudoin, and C.S. Weaver, 1999, Wide-angle seismic recordings from the 1998 Seismic Hazards Investigation in Puget Sound (SHIPS), western Washington and British Columbia, U.S. Geological Survey Open-File Report 99-314, 110 p. http://geopubs.wr.usgs.gov/open-file/of99-314/ Abstract

Brocher, T.M., T. Parsons, M.A. Fisher, A.M. Tréhu, G.D. Spence, and the SHIPS Working Group, 2000, Three-dimensional tomography in the eastern Strait of Juan de Fuca: Preliminary results from SHIPS, the 1998 Seismic Hazards Investigation in Puget Sound, in Mosher, D.C., and S.Y. Johnson (eds.), Rathwell, G.J., R.B. King, and S.B. Rhea (compilers), Neotectonics of the eastern Strait of Juan de Fuca; a digital geologic and geophysical atlas, Geological Survey of Canada Open File Report3931. Abstract

Brocher, T.M., T. L. Pratt, K.C. Miller, A.M. Tréhu, C.M. Snelson, C.S. Weaver, K. C. Creager, R.S. Crosson, U.S. ten Brink, M.G. Alvarez, S.H. Harder, and I. Asudeh, 2000, Report for explosion and earthquake data acquired in the 1999 Seismic Hazards Investigation in Puget Sound (SHIPS), Washington, U.S. Geological Survey Open-File Report 00-318, 85 p. http://geopubs.wr.usgs.gov/open-file/of00-318/ Abstract

Brocher, T.M., T. L. Pratt, C.S. Weaver, A.D. Frankel, A.M. Tréhu, C.M. Snelson, K.C. Miller, S.H. Harder, U.S. ten Brink, K. C. Creager, R.S. Crosson, and W. P. Steele, 2000, Urban seismic experiments investigate the Seattle fault and basin, Eos, Trans. AGU, v. 81, no. 46, p. 545, 551-552. Abstract PDF

Brocher, T.M., T. Parsons, R.A. Blakely, N.I. Christensen, M.A. Fisher, R.E. Wells, and the SHIPS Working Group, 2001, Upper crustal structure in Puget Lowland, Washington: Results from the 1998 Seismic Hazards Investigation in Puget Sound, J. Geophys. Res., 106, 13,541-13,564. Abstract PDF

Brocher, T.M., C.S. Weaver, and R.S. Ludwin, 2003, Assessing hypocentral accuracy and lower magnitude completeness in the Pacific Northwest using seismic refraction detonations and cumulative frequency-magnitude relationships, Seism. Res. Lett., 74, 773-790. Abstract PDF

Brocher, T.M., R.J. Blakely, and R.E. Wells, 2004, Interpretation of the Seattle Uplift, Washington, as a passive roof duplex, Bull. Seism. Soc. Am., 94, 1379-1401. Abstract PDF

Brocher, T.M., R. J. Blakely, R. E. Wells, B. L. Sherrod, and K. Ramachandran , 2005, The Transition Between N-S and NE-SW Directed Crustal Shortening in the Central and Northern Puget Lowland: New Thoughts on the Southern Whidbey Island Fault, Eos, Trans. Amer. Geophys. Union, in press. Abstract

Calvert, A.J., M.A. Fisher, and SHIPS Working Group, 2001, Imaging the Seattle fault zone with high-resolution seismic tomography, Geophys. Res. Lett., 28, 2337-2340. Abstract PDF

Calvert, A.J., M.A. Fisher, S.Y. Johnson, and the SHIPS Working Group, 2003, Along-strike variations in the seismic velocity structure of the Seattle fault zone: Evidence for fault segmentation beneath Puget Sound, J. Geophys. Res. , 108(B1), doi:10.1029/2001JB001703 . Abstract PDF

Crosson, R.S., N.P. Symons, K.C. Creager, L.A. Preston, T. Van Wagoner, T.M. Brocher, M. Fisher, and the SHIPS Working Group, 2002, Three-dimensional structure of the Cascadia forearc region from SHIPS active experiment and earthquake observations: tomographic inversion provides a high-resolution view into the core of the Cascadia forearc complex, U.S. Geological Survey Open-File Report 02-328 and Geological Survey of Canada Open File 4350, p. 33-34. http://geopubs.wr.usgs.gov/open-file/of02-328/ Abstract

Fisher, M.A., T. M. Brocher, R. D. Hyndman, A. M. Tréhu, C. S. Weaver, K. C. Creager, R. S. Crosson, T. Parsons, A. K. Cooper, D. Mosher, G. Spence, B. C. Zelt, P. T. Hammer, U. ten Brink, T. L. Pratt, K. C. Miller, J. R. Childs, G. R. Cochrane, S. Chopra, and R.Walia, 1999, Seismic survey probes urban earthquake hazards in Pacific Northwest, EOS, Trans. Amer. Geophys. Un., v. 80, no. 2, p. 13-17. Abstract

Fisher, M.A., R.D. Hyndman, S.Y. Johnson, R.S. Crosson, U.S. ten Brink, A.J. Calvert, T.M. Brocher, R.E. Wells, and the SHIPS Working Group, 2003, Crustal structure and earthquake hazards of the Subduction Zone in the Central Part of Cascadia, U.S.Geological Survey Prof. Paper 1661-X, in press. Abstract

Parsons, T., R.J. Blakely, and T.M. Brocher, 2001, A simple algorithm for sequentially incorporating gravity observations in seismic traveltime tomography, International Geology Review, 43, 1073-1086. Abstract PDF

Pratt, T.L., Weaver, C.S., Brocher, T.M., Parsons, T., Fisher, M.A., Creager, K.C., Crosson, R.S., Hyndman, R.D., Spence, G., Trehu, A.M., Miller, K.C., and ten Brink, U.S., 2002, Understanding the seismotectonics of the Cascadia subduction zone: Overview and recent seismic work, in Fujinawa, Y., and Toshida, A., editors, Seismotectonics in Convergent Plate Boundary, Terra Scientific Publishing, Tokyo, p. 25-36. Abstract

Snelson, C.M., 2001, Investigating crustal structure in western Washington and in the Rocky Mountains: Implications for seismic hazards and crustal growth, Ph.D. thesis, Univ. Texas El Paso, 234 p. Abstract PDF

Snelson, C. M., T.M. Brocher, K.C. Miller, T.L. Pratt, and A.M. Tréhu, 2005, Seismic amplification within the Seattle basin, Washington: Insights from SHIPS seismic tomography experiments, Bull. Seism. Soc. Am., in journal review. Abstract PDF

Symons, N., 1998, Seismic velocity structure of the Puget Sound region from 3-D non-linear tomography, Ph. D. thesis, Univ. Washington, 168 p. Abstract

ten Brink, U.S., P.C. Molzer, M.A. Fisher, R. J. Blakely, R.C. Bucknam, T. Parsons, R.S. Crosson, and K.C. Creager, 2002, Subsurface geometry and evolution of the Seattle fault zone and the Seattle Basin, Washington, Bull. Seism. Soc. Am., 92, 1737-1753. Abstract PDF

Van Wagoner, T.M., R.S. Crosson, K.C. Creager, G.F. Medema, L.A. Preston, N.P. Symons, and T.M. Brocher, 2002, Crustal structure and relocated earthquakes in the Puget Lowland, Washington from high resolution seismic tomography, J. Geophys. Res., 107(B12), 2381, doi:10.10129/2001JB000710. Abstract PDF

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Georgia Basin and Vancouver Island

Brocher, T.M., T.L. Pratt, G.D. Spence, M. Riedel, and R.D. Hyndman, 2003, Wide-angle seismic recordings from the 2002 Georgia Basin Geohazards Initiative, Northwestern Washington and British Columbia, U.S. Geological Survey Open-File Report 03-160, 34 p. http://geopubs.wr.usgs.gov/open-file/of03-160/ Abstract

Dash, R.K., G.D. Spence, M. Riedel, R.D. Hyndman, T.M. Brocher, and T.L. Pratt, 2003, Crustal velocity structure from first arrival seismic tomography in the Strait of Georgia, British Columbia and Washington, Eos Trans. AGU, 84(46), Fall Mtg. Suppl., Abs. S42A-0150. Abstract

Graindorge, D., G. Spence, P. Charvis, J.Y. Collot, R.D. Hyndman, and A.M. Tréhu, 2003, Crustal structure beneath Juan de Fuca Strait and southern Vancouver Island from seismic and gravity analyses, J. Geophys. Res., 108, B10, doi:10.1029/2002JB001823, EPM 5-1 to 5-23. Abstract PDF

Hayward , N., Nedimovic, M. Cleary, and A.J. Calvert, Identifying faults and their recent motion in eastern Strait of Juan de Fuca, NEHRP Contract Report 02HQGR0055,35 pp., 2003. Abstract PDF

Hayward , N., M. Nedimovic, M. Cleary, and A.J. Calvert, Structural variation along the Devils Mountain fault zone, northwestern Washington, Canadian Earth Sciences J., in press. Abstract PDF

Johnson, S.Y., Dadsman, S.V., Mosher, D.C., Blakely, R.J., and Childs, J.R., 2001, Active tectonics of the Devils Mountain fault and related structures, northern Puget Lowland and eastern Strait of Juan de Fuca region, Pacific Northwest, U.S. Geological Survey Professional Paper 1643 (65 p. text, 2 tables, 38 figs., 2 plates). http://pubs.usgs.gov/pp/p1643/ or http://onlinepubs.er.usgs.gov/djvu/PP/pp_1643.djvu Abstract

Lowe, C., S. A. Dehler, and B. C. Zelt (2003). Basin architecture and density structure beneath the Strait of Georgia, British Columbia, Can. J. Earth Sci., 40 (7), 965-981. Abstract PDF

Mosher, D.C., Cassidy, J.F., Lowe, C., Mi, Y., Hyndman, R.D., Rogers, G.C., and M.A. Fisher (2000). Neotectonics in the Strait of Georgia: Tentative correlation of seismicity with shallow geologic structure in southwestern British Columbia, Geological Survey of Canada, Current Research 2000-A22, 1-9. Abstract PDF

Mosher, D.C., and S.Y. Johnson (eds.), Rathwell, G.J., R.B. King, and S.B. Rhea (compilers), 2000, Neotectonics of the eastern Strait of Juan de Fuca; a digital geologic and geophysical atlas, Geological Survey of Canada Open File Report 3931. Abstract

Ramachandran, K., 2001, Velocity structure of S.W. British Columbia, and N.W. Washington, from 3-D non-linear seismic tomography, Ph.D. thesis, Univ. of Victoria, B.C., 198 pp. Abstract PDF

Ramachandran, K., S.E. Dosso, C.A. Zelt, G.D. Spence, R.D. Hyndman, and T.M. Brocher, 2004, Upper crustal structure of southwestern British Columbia from the 1998 Seismic Hazards Investigation in Puget Sound, J. Geophy. Res., 109, B9, B09303, doi: 10.1029/2004JB003092. Abstract PDF

Ramachandran, K., S.E. Dosso, C.A. Zelt, G.D. Spence, R.D. Hyndman, and T.M. Brocher, 2005, Forearc structure beneath southwestern British Columbia: A 3-D tomography velocity model, J. Geophy. Res., 110, B02303, doi:10.1029/2004JB003258. Abstract PDF

Riedel, M., V. Barrie, P. Hill, T.M. Brocher, T.L. Pratt, and R.D. Hyndman, 2002, Mapping of near Surface Active Faults in Georgia Strait, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract S22B-1031, 2002. Abstract

Zelt, B.C., R.M. Ellis, C.A. Zelt, R.D. Hyndman, C. Lowe, G.D. Spence, and M.A. Fisher, 2001, Three-dimensional crustal velocity structure beneath the Strait of Georgia, British Columbia, Geophys. J. Int., 144, 695-712. Abstract PDF

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Tacoma Fault and Basin

Hiett, B., 2001, Structure of the Tacoma Basin, M.S. thesis, Univ. Texas El Paso. Abstract PDF

Johnson, S.Y., R.J. Blakely, W.J. Stephenson, S.V. Dadisman, and M.A. Fisher, 2004, Active shortening of the Cascadia forearc and implications for seismic hazards of the Puget Lowland: Tectonics, v. 23, TC1011, doi:10.1029/2003TC001507, 27 pages. Abstract PDF

Sherrod, B.L., A.R. Nelson, H.M. Kelsey, T.M. Brocher, R.J. Blakely, C.S. Weaver, N.K. Rountree, S.B. Rhea, and B.S. Jackson, 2003, The Catfish Lake scarp, Allyn, Washington: Preliminary field data and implications for earthquake hazards posed by the Tacoma fault, U.S. Geol. Surv. Open-File Rept. 03-455, 11 pp., 1 sheet. http://pubs.usgs.gov/of/2003/of03-455. Abstract

Sherrod, B.L., T.M. Brocher, C.S. Weaver, R.C. Bucknam, R.J. Blakely, H.M. Kelsey, A.R. Nelson, and R. Haugerud, 2004, Holocene fault scarps near Tacoma, Washington, Geology, 32, 9-12. Abstract PDF