Receiver function study of the Cascadia megathrust: Evidence for localized serpentinization

Geochemistry, Geophysics, Geosystems

Volumn 10, Issue 7, 2009, Pages

  Nikulin, Alex ^a   Levin, Vadim ^a   Park, Jeffrey ^b  

^a RUTGERS UNIVERSITY   (United States)

^b YALE UNIVERSITY   (United States)

Author keywords

Anisotropy; Antigorite; Receiver functions; Subduction

Indexed keywords

EID: 72049128629     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2009GC002376     Document Type: Article

References (56)

1. Adams, J. (1990), Paleoseismicity of the Cascadia subduction zone:Evidence from turbidites off the Oregon-Washingtonmargin, Tectonics, 9, 569-583, doi:10.1029/TC009i004p00569.
2. Atwater, B. F., and E. Hemphill-Haley (1997), Recurrence intervals for great earthquakes of the past 3,500 years at northeastern Willapa Bay, Washington, U.S. Geol. Surv. Prof. Pap., 1576.
3. Blakely, R., T. Brocher, and R. Wells (2005), Subduction-zone magnetic anomalies and implications for hydrated forearc mantle, Geology, 33, 445-448.
4. Bostock, M. G., R. D. Hyndman, S. Rondenay, and S. M. Peacock (2002), An inverted continental Moho and serpentinization of the forearc mantle, Nature, 417, 536-538, doi:10.1038/417536a. (Pubitemid 34595917)
5. Braunmiller, J., and J. Nabelek (2002), Seismotectonics of the Explorer region, J. Geophys. Res., 107(B10), 2208, doi:10.1029/2001JB000220.
6. 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, 267-270, doi:10.1130/0091- 7613(2003)031< 0267:SEFWSF>2.0.CO;2.
7. Burdick, S., C. Li, V. Martynov, T. Cox, J. Eakins, T. Mulder, L. Astiz, F. L. Vernon, G. L. Pavlis, and R. D. Van Der Hilst (2008), Upper mantle heterogeneity beneath North America from travel time tomography with global and USArray transportable array data, Seismol. Res. Lett., 79, 384-392, doi:10.1785/gssrl.79.3.384.
8. Calvert, A. J. (2004), Seismic reflection imaging of two megathrust shear zones in the northern Cascadia subduction zone, Nature, 428, 163-167, doi:10.1038/nature02372. (Pubitemid 38374309)
9. Cassidy, J. F. (1992), Numerical experiments in broadband receiver function analysis, Bull. Seismol. Soc. Am., 82, 1453-1474.
10. Christensen, N. I. (1996), Poisson's ratio and crustal seismology, J. Geophys. Res., 101, 3139 -3156, doi:10.1029/ 95JB03446.
11. Christensen, N. I. (2004), Serpentinites, peridotites, and seismology, Int. Geol. Rev., 46, 795-816, doi:10.2747/0020-6814.46.9.795.
12. DeShon, H., and S. Y. Schwartz (2004), Evidence for serpentinization of the fore-arc mantle wedge along the Nicoya Peninsula, Costa Rica, Geophys. Res. Lett., 31, L21611, doi:10.1029/2004GL021179. (Pubitemid 40190972)
13. Engebretson, D. C., A. Cox, and R. G. Gordon (1985), Relative Motions Between Oceanic and Continental Plates in the Pacific Basin, Spec. Pap. Geol. Soc. Am., 206, 59 pp.
14. Ferris, A., G. A. Abers, D. H. Christensen, and E. Veenstra (2003), High resolution image of the subducted pacific (?) plate beneath central Alaska, Earth Planet. Sci. Lett., 214(3-4), 575-588, doi:10.1016/S0012-821X(03)00403-5. (Pubitemid 37172373)
15. Graeber, F. M., and G. Asch (1999), Three-dimensional models of P wave velocity and P-to-S ratio in the southern central Andes by simultaneous inversion of local earthquake data, J. Geophys. Res., 104, 20,237 - 20,256, doi:10.1029/ 1999JB900037.
16. Grand, S. P. (2002), Mantle shear wave tomography and the fate of subducted slabs, Philos. Trans. R. Soc. London, 360, 2475-2491, doi:10.1098/rsta.2002.1077.
17. 2O contents, J. Geophys. Res., 108(B1), 2029, doi:10.1029/2001JB001127.
18. Harris, A. R., H. M. Iyer, and P. B. Dawson (1991), Imaging the Juan de Fuca plate beneath southern Oregon using teleseismic P wave residuals, J. Geophys. Res., 96, 19,879-19,889, doi:10.1029/91JB02046.
19. Hyndman, R. D., K. Wang, T. Yuan, and G. D. Spence (1993), Tectonic sediment thickening, fluid expulsion, and the thermal regime of subduction zone accretionary prisms: The Cascadia Margin off Vancouver Island, J. Geophys. Res., 98(B12), 21,865-21,876, doi:10.1029/93JB02391.
20. Irwin, W. P., and I. Barnes (1975), Effect of geologic structure and metamorphic fluids on seismic behavior of the San Andreas Fault system in central and northern California, Geology, 3, 713-716, doi:10.1130/0091- 7613(1975)3<713: EOGSAM>2.0.CO;2.
21. Kamimura, A., J. Kasahara, M. Shinohara, R. Hino, H. Shiobara, G. Fujie, and T. Kanazawa (2002), Crustal structure study at the Izu-Bonin subduction zone around 31N: Implications of serpentinized materials along the subduction plate boundary, Phys. Earth Planet. Inter., 132, 105-129, doi:10.1016/ S0031-9201(02)00047-X.
22. Kamiya, S., and Y. Kobayashi (2000), Seismological evidence for the existence of serpentinized wedge mantle, Geophys. Res. Lett., 27, 819-822, doi:10.1029/1999GL011080.
23. Keach, R. W., III, J. E. Oliver, L. D. Brown, and S. Kaufman (1989), Cenozoic active margin and shallow Cascades structure: COCORP results from western Oregon, Geol. Soc. Am. Bull., 101, 783-794, doi:10.1130/0016-7606(1989) 101< 0783:CAMASC>2.3.CO;2.
24. Kern, H. (1993), P and S-wave anisotropy and shear-wave splitting at pressure and temperature in possible mantle rocks and their relation to the rock fabric, Phys. Earth Planet. Inter., 78, 245-256, doi:10.1016/0031-9201(93) 90159-7.
25. Kern, H., B. Liu, and T. Popp (1997), Relationship between anisotropy of P and S wave velocities and anisotropy of attenuation in serpentinite and amphibolite, J. Geophys. Res., 102, 3051-3065, doi:10.1029/96JB03392.
26. Langston, C. A. (1977a), The effect of planar dipping structure on source and receiver responses for constant ray parameter, Bull. Seismol. Soc. Am., 67, 1029-1050.
27. Langston, C. A. (1977b), Corvallis, Oregon, crustal and upper mantle receiver structure from teleseismic P and S waves, Bull. Seismol. Soc. Am., 67, 713-724.
28. Langston, C. A. (1981), Evidence for the subducting lithosphere under southern Vancouver Island and western Oregon from teleseismic P-wave conversions, J. Geophys. Res., 86, 3857-3866, doi:10.1029/JB086iB05p03857.
29. Levin, V., and J. Park (1997), P-SH conversions in a flatlayered medium with anisotropy of arbitrary orientation, Geophys. J. Int., 131, 253 - 266, doi:10.1111/j.1365-246X.1997.tb01220.x.
30. Levin, V., and J. Park (1998), P-SH conversions in layered media with hexagonally symmetric anisotropy: A cookbook, Pure Appl. Geophys., 151, 669 - 697, doi:10.1007/ s000240050136.
31. Lewis, T. J., W. H. Bentkowski, and R. D. Hyndman (1992), Crustal temperatures near the Lithoprobe Southern Canadian Cordillera Transect, Can. J. Earth Sci., 29, 1197-1214.
32. Li, C., R. D. Van Der Hilst, and M. N. Toksoz (2006), Constraining P wave velocity variations in the upper mantle beneath southeast Asia, Phys. Earth Planet. Inter., 154, 180-195, doi:10.1016/j.pepi.2005.09.008. (Pubitemid 43174827)
33. Li, X., and J. L. Nabelek (1996), Modeling the structure of the Cascadia subduction zone in Oregon using the receiver functions from a broadband seismometer array, Eos Trans. AGU, 77(46), Fall Meet. Suppl., F656.
34. Li, X., and J. L. Nabelek (1999), Deconvolution of teleseismic body waves for enhancing structure beneath a seismometer array, Bull. Seismol. Soc. Am., 89, 190-201.
35. McCaffrey, R. (2005), Block kinematics of the Pacific-North America plate boundary in the southwestern United States from inversion of GPS, seismological, and geologic data, J. Geophys. Res., 110, B07401, doi:10.1029/2004JB003307. (Pubitemid 41358550)
36. McCrory, P. A., J. L. Blair, D. H. Oppenheimer, and S. R. Walter (2004), Depth to the Juan de Fuca slab beneath the Cascadia subduction margin-A 3-D model for sorting earthquakes, U.S. Geol. Surv. Data Ser., 91, U.S. Geol. Surv., Reston, Va. (Available at http://pubs.usgs.gov/ds/91)
37. McPhee, D. K., R. C. Jachens, and C. M. Wentworth (2004), Crustal structure across the San Andreas Fault at the SAFOD site from potential field and geologic studies, Geophys. Res. Lett., 31, L12S03, doi:10.1029/2003GL019363.
38. Nicholson, T., M. Bostock, and J. F. Cassidy (2005), New constraints on subduction zone structure in northern Cascadia, Geophys. J. Int., 161, 849-859.
39. Oleskevich, D. A., R. D. Hyndman, and K. Wang (1999), The updip and downdip limit to great subduction earthquakes: Thermal and structural models of Cascadia, South Alaska, SW Japan and Chile, J. Geophys. Res., 104, 14,965-14,991.
40. Park, J., and V. Levin (2000), Receiver functions from multipletaper spectral correlation estimates, Bull. Seismol. Soc. Am., 90, 1507-1520, doi:10.1785/0119990122. (Pubitemid 32305252)
41. Park, J., H. Yuan, and V. Levin (2004), Subduction-zone anisotropy under Corvallis, Oregon: A serpentinite skidmark of trench-parallel terrane migration?, J. Geophys. Res., 109, B10306, doi:10.1029/2003JB002718. (Pubitemid 40098498)
42. Peacock, S. M., and R. D. Hyndman (1999), Hydrous minerals in the mantle wedge and the maximum depth of subduction thrust earthquakes, Geophys. Res. Lett., 26, 2517-2520.
43. Phinney, R. A. (1964), Structure of the Earth's crust from spectral behavior of long-period body waves, J. Geophys. Res., 69, 2997-3017, doi:10.1029/JZ069i014p02997.
44. Ramachandran, K., S. E. Dosso, G. D. Spence, R. D. Hyndman, and T. M. Brocher (2005), Forearc structure beneath southwestern British Columbia: A three-dimensional tomographic velocity model, J. Geophys. Res., 110, B02303, doi:10.1029/ 2004JB003258.
45. Ramachandran, K., R. D. Hyndman, and T. M. Brocher (2006), Regional P wave velocity structure of the Northern Cascadia Subduction Zone, J. Geophys. Res., 111, B12301, doi:10.1029/2005JB004108. (Pubitemid 47248748)
46. Riddihough, R. P., and R. D. Hyndman (1991), Modern plate tectonic regime of the continental margin of western Canada, in Geology of North America, vol. G-2, Geology of the Cordilleran Orogen in Canada, Geol. of Can., vol. 4, edited by H. Gabrielse and C. J. Yorath, pp. 435-455, Geol. Surv. of Can., Ottawa, Ont., Canada.
47. Savage, M. K. (1998), Lower crustal anisotropy or dipping boundaries? Effects on receiver functions and a case study in New Zealand, J. Geophys. Res., 103, 15,069-15,087, doi:10.1029/98JB00795.
48. Shalev, E., and J. M. Lees (1998), Cubic B-splines tomography at Loma Prieta, Bull. Seismol. Soc. Am., 88, 256-269.
49. Shiomi, K., and J. Park (2008), Structural features of the subducting slab beneath the Kii Peninsula, central Japan: Seismic evidence of slab segmentation, dehydration and anisotropy, J. Geophys. Res., 113, B10318, doi:10.1029/ 2007JB005535.
50. Tabor, J. J., and S. W. Smith (1985), Seismicity and focal mechanisms associated with subduction of the Juan de Fuca plate beneath the Olympic Peninsula, Bull. Seismol. Soc. Am., 75, 237-249.
51. Trehu, A. M., I. Asudeh, T. M. Brocher, J. Leutgert, W. D. Mooney, J. N. Nabelek, and Y. Nakamura (1994), Crustal architecture of the Cascadia forearc, Science, 266, 237-243, doi:10.1126/science.266.5183.237.
52. Ulmer, P., and V. Trommsdorff (1995), Serpentine stability to mantle depths and subduction-related magmatism, Science, 268, 858-861, doi:10.1126/science.268.5212.858.
53. Vinnik, L. P. (1977), Detection of waves converted from P to SV in the mantle, Phys. Earth Planet. Inter., 15, 39-45, doi:10.1016/0031-9201(77)90008-5.
54. Watanabe, T., H. Kasami, and S. Ohshima (2007), Compressional and shear wave velocities of serpentinized peridotites up to 200 MPa, Earth Planets Space, 59, 233-244.
55. Wessel, P., and W. H. F. Smith (1991), Free software helps map and display data, Eos Trans. AGU, 72, 441, doi:10.1029/ 90EO00319.
56. Zhao, D., K. Wang, G. C. Rogers, and S. Peacock (2001), Tomographic image of low P velocity anomalies above slab in northern Cascadia subduction zone, Earth Planets Space, 53, 285-293.