Distribution of seismicity across strike-slip faults in California

Journal of Geophysical Research: Solid Earth

Volumn 115, Issue 5, 2010, Pages

  Powers, Peter M ^a   Jordan, Thomas H ^a  

^a UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKE TRIGGER; NORMAL FAULT; ROUGHNESS; SEISMICITY; STRIKE-SLIP FAULT; EARTHQUAKE DAMAGE; POWER LAW;

CALIFORNIA; UNITED STATES; PARKFIELD;

EID: 77952280585     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2008JB006234     Document Type: Article

References (115)

1. Aki, K. (1965), Maximum likelihood estimate of b in the formula log N = a - bM and its confidence limits, Bull. Earthquake Res. Inst. Univ. Tokyo, 43, 237-239.
2. Bawden, G. W., A. J. Michael, and L. H. Kellogg (1999), Birth of a fault: Connecting the Kern County and Walker Pass, California, earthquakes, Geology, 27(7), 601-604, doi:10.1130/0091-7613(1999)027<0601: BOAFCT>2.3.CO;2.
3. Bedrosian, P. A., M. J. Unsworth, G. D. Egbert, and C. H. Thurber (2004), Geophysical images of the creeping segment of the San Andreas fault: Implications for the role of crustal fluids in the earthquake process, Tectonophysics, 385(1-4), 137-158, doi:10.1016/j.tecto.2004.02.010. (Pubitemid 38958280)
4. Ben-Zion, Y., and C. G. Sammis (2003), Characterization of fault zones, Pure Appl. Geophys., 160, 677-715, doi:10.1007/PL00012554.
5. Ben-Zion, Y., Z. Peng, D. Okaya, L. Seeber, J. G. Armbruster, N. Ozer, A. J. Michael, S. Baris, and M. Aktar (2003), A shallow fault-zone structure illuminated by trapped waves in the Karadere-Duzce branch of the North Anatolian fault, western Turkey, Geophys. J. Int., 152(3), 699-717, doi:10.1046/j.1365- 246X.2003.01870.x. (Pubitemid 36333843)
6. Bilham, R., and J. Behr (1992), A two-layer model for aseismic slip on the Superstition Hills fault, California, Bull. Seismol. Soc. Am., 82(3), 1223-1235.
7. Bodin, P., R. Bilham, J. Behr, J. S. Gomberg, and K. W. Hudnut (1994), Slip triggered on southern California faults by the 1992 Joshua Tree, Landers, and Big Bear earthquakes, Bull. Seismol. Soc. Am., 84(3), 806-816.
8. Boettcher, M. S., and T. H. Jordan (2004), Earthquake scaling relations for mid-ocean ridge transform faults, J. Geophys. Res., 109, B12302, doi:10.1029/2004JB003110. (Pubitemid 40294699)
9. Boutwell, C., P. M. Powers, and T. H. Jordan (2008), Depth localization of seismicity on strike-slip faults in California, Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract S21B-1832.
10. Brown, S. R. (1995), Simple mathematical model of a rough fracture, J. Geophys. Res., 100(B4), 5941-5952, doi:10.1029/94JB03262. (Pubitemid 26464833)
11. Brown, S. R., and C. H. Scholz (1985), Broad bandwidth study of the topography of natural rock surfaces, J. Geophys. Res., 90(B14), 12,575-12,582, doi:10.1029/JB090iB14p12575.
12. Buland, R. (1986), Uniform reduction error analysis, Bull. Seismol. Soc. Am., 76(1), 217-230.
13. Carena, S., J. Suppe, and H. Kao (2004), Lack of continuity of the San Andreas fault in southern California: Three-dimensional fault models and earthquake scenarios, J. Geophys. Res., 109, B04313, doi:10.1029/ 2003JB002643.
14. Chester, F. M., and J. S. Chester (2000), Stress and deformation along wavy frictional faults, J. Geophys. Res., 105(B10), 23,421-23,430, doi:10.1029/2000JB900241.
15. Chester, F. M., and J. M. Logan (1986), Implications for mechanical properties of brittle faults from observations of the Punchbowl fault zone, California, Pure Appl. Geophys., 124(1-2), 79-106, doi:10.1007/ BF00875720.
16. Chester, F. M., J. P. Evans, and R. L. Biegel (1993), Internal structure and weakening mechanisms of the San Andreas fault, J. Geophys. Res., 98(B1), 771-786, doi:10.1029/92JB01866.
17. Chester, F. M., J. S. Chester, D. L. Kirschner, S. E. Schulz, and J. P. Evans (2004), Structure of large-displacement, strike-slip fault zones in the brittle crust, in Rheology and Deformation in the Lithosphere at Continental Margins, edited by G. D. Karner et al., pp. 223-260, Columbia Univ. Press, New York.
18. Chester, J. S., F. M. Chester, and A. K. Kronenberg (2005), Fracture surface energy of the Punchbowl fault, San Andreas system, Nature, 437, 133-136, doi:10.1038/nature03942. (Pubitemid 41613439)
19. Chester, J. S., F. M. Chester, D. L. Kirschner, R. Almeida, J. P. Evans, R. N. Guillemette, S. Hickman, M. D. Zoback, and W. L. Ellsworth (2007), Deformation of sedimentary rock across the San Andreas fault zone: Mesoscale and microscale structures displayed in core from SAFOD, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract T42C-05.
20. Cochard, A., and J. R. Rice (2000), Fault rupture between dissimilar materials: Ill-posedness, regularization, and slip-pulse response, J. Geophys. Res., 105(B11), 25,891-25,907, doi:10.1029/2000JB900230.
21. Dieterich, J. H. (1994), A constitutive law for rate of earthquake production and its application to earthquake clustering, J. Geophys. Res., 99(B2), 2601-2618, doi:10.1029/93JB02581. (Pubitemid 24425347)
22. Dieterich, J. H., and D. E. Smith (2009), Non-planar faults: Mechanics of slip and of-fault damage, Pure Appl. Geophys., 166, 1799-1815, doi:10.1007/s00024-009-0517-y.
23. Dor, O., T. K. Rockwell, and Y. Ben-Zion (2006), Geological observations of damage asymmetry in the structure of the San Jacinto, San Andreas and Punchbowl faults in southern California: A possible indicator for preferred rupture propagation direction, Pure Appl. Geophys., 163(2-3), 301-349, doi:10.1007/s00024-005-0023-9.
24. Efron, B. (1979), Bootstrap methods: Another look at the jackknife, Ann. Stat., 7(1), 1-26, doi:10.1214/aos/1176344552.
25. Ellsworth, W. L., et al. (2000), Seismicity of the San Andreas fault system in central California: Application of the double-difference location algorithm on a regional scale, Eos Trans. AGU, 81(48), Fall Meet. Suppl., Abstract S21D-01.
26. Faulkner, D. R., A. C. Lewis, and E. H. Rutter (2003), On the internal structure and mechanics of large strike-slip fault zones: Field observations of the Carboneras fault in southeastern Spain, Tectonophysics, 367, 235-251, doi:10.1016/S0040-1951(03)00134-3. (Pubitemid 36770678)
27. Feder, J. (1988), Fractals, 283 pp., Plenum Press, New York.
28. Felzer, K. R., and E. E. Brodsky (2006), Decay of aftershock density with distance indicates triggering by dynamic stress, Nature, 441, 735-738, doi:10.1038/nature04799. (Pubitemid 43865216)
29. Fialko, Y., D. T. Sandwell, D. C. Agnew, M. Simons, P. M. Shearer, and B. Minster (2002), Deformation on nearby faults induced by the 1999 Hector Mine earthquake, Science, 297(5588), 1858-1862, doi:10.1126/ science.1074671.
30. Finzi, Y., E. H. Hearn, Y. Ben-Zion, and V. Lyakhovsky (2009), Structural properties and deformation patterns of evolving strike-slip faults: Numerical simulations incorporating damage rheology, Pure Appl. Geophys., 166, 1537-1573, doi:10.1007/s00024-009-0522-1.
31. Frost, E., J. F. Dolan, C. G. Sammis, B. Hacker, J. Cole, and L. Ratschbacher (2009), Progressive strain localization in a major strike-slip fault exhumed from midseismogenic depths: Structural observations from the Salzach-Ennstal-Mariazell-Puchberg fault system, Austria, J. Geophys. Res., 114, B04406, doi:10.1029/2008JB005763.
32. Galehouse, J. S., and J. J. Lienkaemper (2003), Inferences drawn from two decades of alinement array measurements of creep on faults in the San Francisco Bay region, Bull. Seismol. Soc. Am., 93(6), 2415-2433, doi:10.1785/0120020226.
33. Genrich, J. F., Y. Bock, and R. G. Mason (1997), Crustal deformation across the Imperial Fault: Results from kinematic GPS surveys and trilateration of a densely spaced, small-aperture network, J. Geophys. Res., 102(B3), 4985-5004, doi:10.1029/96JB02854.
34. Gerstenberger, M. C., S. Wiemer, L. M. Jones, and P. A. Reasenberg (2005), Real-time forecasts of tomorrow's earthquakes in California, Nature, 435, 328-331, doi:10.1038/nature03622. (Pubitemid 40745540)
35. Goff, J. A., and T. H. Jordan (1988), Stochastic modeling of seafloor morphology: Inversion of sea beam data for second-order statistics, J. Geophys. Res., 93(B11), 13,589-13,608, doi:10.1029/JB093iB11p13589.
36. Graymer, R. W., A. M. Sarna-Wojcicki, J. P. Walker, R. J. McLaughlin, and R. J. Fleck (2002), Controls on timing and amount of right-lateral offset on the East Bay fault system, San Francisco Bay region, California, Geol. Soc. Am. Bull., 114(12), 1471-1479, doi:10.1130/0016-7606 (2002)114<1471:COTAAO>2. 0.CO;2.
37. Hauksson, E. (2000), Crustal structure and seismicity distribution adjacent to the Pacific and North America plate boundary in southern California, J. Geophys. Res., 105(B6), 13,875-13,903, doi:10.1029/2000JB900016.
38. Hauksson, E. (2010) Spatial separation of large earthquakes, aftershocks, and background seismicity: Analysis of interseismic and coseismic seismicity patterns in southern California, Pure Appl. Geophys., doi:10.1007/ s00024-010-0083-93, in press.
39. Hauksson, E., and P. M. Shearer (2005), Southern California hypocenter relocation with waveform cross-correlation, Part 1: Results using the double-difference method, Bull. Seismol. Soc. Am., 95(3), 896-903, doi:10.1785/0120040167. (Pubitemid 41030372)
40. Hauksson, E., L. M. Jones, K. Hutton, and D. Eberhart-Phillips (1993), The 1992 Landers earthquake sequence: Seismological observations, J. Geophys. Res., 98(B11), 19,835-19,858, doi:10.1029/93JB02384.
41. Helmstetter, A., and D. Sornette (2002), Subcritical and supercritical regimes in epidemic models of earthquake aftershocks, J. Geophys. Res., 107(B10), 2237, doi:10.1029/2001JB001580.
42. Helmstetter, A., and D. Sornette (2003), Predictability in the epidemic-type aftershock sequence model of interacting triggered seismicity, J. Geophys. Res., 108(B10), 2482, doi:10.1029/2003JB002485.
43. Helmstetter, A., Y. Y. Kagan, and D. D. Jackson (2006), Comparison of short-term and time-independent earthquake forecast models for southern California, Bull. Seismol. Soc. Am., 96(1), 90-106, doi:10.1785/ 0120050067. (Pubitemid 43292767)
44. Hill, D. P., J. P. Eaton, and L. M. Jones (1990), Seismicity, 1980-86, in The San Andreas Fault System, edited by R. E. Wallace, U.S. Geol. Surv. Prof. Pap., 1515, 115-152.
45. Hirata, T. (1989), Fractal dimension of fault systems in Japan: Fractal structure in rock fracture geometry at various scales, Pure Appl. Geophys., 131(1-2), 157-170, doi:10.1007/BF00874485.
46. Irwin, W. P. (1990), Geology and plate-tectonic development, in The San Andreas Fault System, edited by R. E. Wallace, U.S. Geol. Surv. Prof. Pap., 1515, 61-80.
47. 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(12), 713-716, doi:10.1130/ 0091-7613(1975)3<713:EOGSAM>2.0.CO;2.
48. Jeffreys, H. (1932), An alternative to the rejection of observations, Proc. R. Soc. London, 187, 78-87.
49. Kagan, Y. Y. (2007), Earthquake spatial distribution: The correlation dimension, Geophys. J. Int., 168(3), 1175-1194, doi:10.1111/j.1365-246X.2006. 03251.x. (Pubitemid 46390267)
50. King, G. C. P. (1983), The accommodation of large strains in the upper lithosphere of the earth and other solids by self-similar fault systems: The geometrical origin of b-value, Pure Appl. Geophys., 121(5-6), 761-815, doi:10.1007/BF02590182.
51. Korneev, V. A., R. M. Nadeau, and T. V. McEvilly (2003), Seismological studies at Parkfield IX: Fault-zone imaging using guided wave attenuation, Bull. Seismol. Soc. Am., 93(4), 1415-1426, doi:10.1785/0120020114.
52. Lee, J.-J., and R. L. Bruhn (1996), Structural anisotropy of normal fault surfaces, J. Struct. Geol., 18(8), 1043-1059, doi:10.1016/0191-8141 (96)00022-23
53. Lewis, M. A., Z. Peng, Y. Ben-Zion, and F. L. Vernon (2005), Shallow seismic trapping structure in the San Jacinto fault zone near Anza, California, Geophys. J. Int., 162(3), 867-881, doi:10.1111/j.1365-246X.2005.02684.x. (Pubitemid 43922551)
54. Li, Y. G., P. Leary, K. Aki, and P. E. Malin (1990), Seismic trapped modes in the Oroville and San Andreas faults, Science, 249(4970), 763-766, doi:10.1126/science.249.4970.763. (Pubitemid 20259108)
55. Li, Y. G., J. E. Vidale, K. Aki, F. Xu, and T. Burdette (1998), Evidence of shallow fault zone strengthening after the 1992 M7.5 Landers, California, earthquake, Science, 279(5348), 217-219, doi:10.1126/science.279. 5348.217.
56. Li, Y. G., J. E. Vidale, K. Aki, and X. Fei (2000), Depth-dependent structure of the Landers fault zone from trapped waves generated by aftershocks, J. Geophys. Res., 105(B3), 6237-6254, doi:10.1029/1999JB900449.
57. Li, Y. G., J. E. Vidale, S. M. Day, D. D. Oglesby, and E. S. Cochran (2003), Postseismic fault healing on the rupture zone of the 1999 M 7.1 Hector Mine, California, earthquake, Bull. Seismol. Soc. Am., 93(2), 854-869, doi:10.1785/0120020131.
58. Li, Y. G., J. E. Vidale, and E. S. Cochran (2004), Low-velocity damaged structure of the San Andreas fault at Parkfield from fault zone trapped waves, Geophys. Res. Lett., 31, L12S06, doi:10.1029/2003GL019044. (Pubitemid 39384117)
59. Lienkaemper, J. J., J. S. Galehouse, and R. W. Simpson (1997), Creep response of the Hayward fault to stress changes caused by the Loma Prieta earthquake, Science, 276(5321), 2014-2016, doi:10.1126/science. 276.5321.2014.
60. Lienkaemper, J. J., J. S. Galehouse, and R. W. Simpson (2001), Long-term monitoring of creep rate along the Hayward fault and evidence for a lasting creep response to 1989 Loma Prieta earthquake, Geophys. Res. Lett., 28, 2265-2268, doi:10.1029/2000GL012776. (Pubitemid 32596253)
61. Liu, J., K. E. Sieh, and E. Hauksson (2003), A structural interpretation of the aftershock "cloud" of the 1992 Mw 7.3 Landers earthquake, Bull. Seismol. Soc. Am., 93(3), 1333-1344, doi:10.1785/0120020060.
62. Lockner, D. A., H. Naka, H. Tanaka, H. Ito, and R. Ikeda (1999), Permeability and strength of core samples from the Nojima fault of the 1995 Kobe earthquake, in Proceedings of the International Workshop on the Nojima Fault Core and Borehole Data Analysis, Nov 22-23, 1999, edited by H. Ito et al, pp. 147-152, U.S. Geol. Surv. Open File Rep., 00-29.
63. Lyons, S., and D. T. Sandwell (2003), Fault creep along the southern San Andreas from interferometric synthetic aperture radar, permanent scatterers, and stacking, J. Geophys. Res., 108(B1), 2047, doi:10.1029/ 2002JB001831.
64. Lyons, S., Y. Bock, and D. T. Sandwell (2002), Creep along the Imperial fault, southern California, from GPS measurements, J. Geophys. Res., 107(B10), 2249, doi:10.1029/2001JB000763.
65. Magistrale, H. (2002), Relative contributions of crustal temperature and composition to controlling the depth of earthquakes in southern California, Geophys. Res. Lett., 29(10), 1447, doi:10.1029/2001GL014375.
66. Matti, J. C., and D. M. Morton (1993), Paleogeographic evolution of the San Andreas fault in southern California: a reconstruction based on a new cross-fault correlation, in The San Andreas Fault System: Displacement, Palinspastic Reconstruction, and Geologic Evolution, edited by R. E. Powell et al., pp. 107-159, Geol. Soc. of Am., Boulder, Colo.
67. McGill, S. F., C. R. Allen, K. W. Hudnut, D. C. Johnson, W. F. Miller, and K. E. Sieh (1989), Slip on the Superstition Hills fault and on nearby faults associated with the 24 November 1987 Elmore Ranch and Superstition Hills earthquakes, Southern California, Bull. Seismol. Soc. Am., 79(2), 362-375.
68. Moore, D. E., and M. J. Rymer (2007), Talc-bearing serpentinite and the creeping section of the San Andreas fault, Nature, 448, 795-797, doi:10.1038/nature06064. (Pubitemid 47271823)
69. Morrow, C. A., D. E. Moore, and D. A. Lockner (2000), The effect of mineral bond strength and adsorbed water on fault gouge frictional strength, Geophys. Res. Lett., 27(6), 815-818, doi:10.1029/1999GL008401.
70. Ogata, Y. (1988), Statistical models for earthquake occurrences and residual analysis for point processes, J. Am. Stat. Assoc., 83(401), 9-27, doi:10.2307/2288914.
71. Ogata, Y. (1998), Space-time point process models for earthquake occurrences, Ann. Inst. Stat. Math., 50(2), 379-402, doi:10.1023/ A:1003403601725.
72. Okubo, P. G., and K. Aki (1987), Fractal geometry in the San Andreas fault system, J. Geophys. Res., 92(B1), 345-355, doi:10.1029/ JB092iB01p00345.
73. Ouillon, G., C. Castaing, and D. Sornette (1996), Hierarchical geometry of faulting, J. Geophys. Res., 101(B3), 5477-5487, doi:10.1029/95JB02242. (Pubitemid 26475955)
74. Peng, Z., Y. Ben-Zion, A. J. Michael, and L. Zhu (2003), Quantitative analysis of seismic fault zone waves in the rupture zone of the 1992 Landers, California, earthquake: Evidence for a shallow trapping structure, Geophys. J. Int., 155(3), 1021-1041, doi:10.1111/j.1365-246X.2003. 02109.x.
75. Plesch, A., et al. (2007), Community Fault Model (CFM) for southern California, Bull. Seismol. Soc. Am., 97(6), 1793-1802, doi:10.1785/ 0120050211.
76. Powell, R. E. (1993), Balanced palinspastic reconstruction of pre-late Cenozoic paleogeology, southern California: geologic and kinematic constraints on evolution of the San Andreas fault system, in The San Andreas Fault System: Displacement, Palinspastic Reconstruction, and Geologic Evolution, edited by R. E. Powell et al., pp. 1-106, Geol. Soc. of Am., Boulder, Colo.
77. Power, W. L., and T. E. Tullis (1995), A review of the fractal character of natural fault surfaces with implications for friction and the evolution of fault zones, in Fractals in the Earth Sciences, edited by P. Lapointe and C. Barton, pp. 89-105, Plenum, New York.
78. Powers, P. M., and T. H. Jordan (2005), Seismicity rate vs. distance from strike-slip faults in southern California, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract S13B-0199.
79. Powers, P. M., and T. H. Jordan (2007a), On the spatial predictability of earthquakes and aftershocks, paper presented at Seismological Society of America Annual Meeting, Waikoloa, Hawaii, 11-13 April.
80. Powers, P. M., and T. H. Jordan (2007b), Use of dependence probabilities to detect near-fault bias in earthquake triggering, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract S13E-06.
81. Reasenberg, P. A. (1985), Second-order moment of central California seismicity, 1969-1982, J. Geophys. Res., 90(B7), 5479-5495, doi:10.1029/ JB090iB07p05479.
82. Renard, F., C. Voisin, D. Marsan, and J. Schmittbuhl (2006), High resolution 3D laser scanner measurements of a strike-slip fault quantify its morphological anisotropy at all scales, Geophys. Res. Lett., 33, L04305, doi:10.1029/2005GL025038.
83. Richards-Dinger, K. B., and P. M. Shearer(2000), Earthquake locations in southern California obtained using source-specific station terms, J. Geophys. Res., 105(B5), 10,939-10,960, doi:10.1029/2000JB900014.
84. Robertson, M. C., C. G. Sammis, M. Sahimi, and A. Martin (1995), The 3-D spatial distribution of earthquakes in southern California with a percolation theory interpretation, J. Geophys. Res., 100, 609-620, doi:10.1029/ 94JB02463.
85. Rockwell, T. K., and Y. Ben-Zion (2007), High localization of primary slip zones in large earthquakes from paleoseismic trenches: Observations and implications for earthquake physics, J. Geophys. Res., 112, B10304, doi:10.1029/2006JB004764. (Pubitemid 350286436)
86. Rubin, A. M., and J.-P. Ampuero (2007), Aftershock asymmetry on a bimaterial interface, J. Geophys. Res., 112, B05307, doi:10.1029/ 2006JB004337.
87. Rubin, A. M., and D. Gillard (2000), Aftershock asymmetry/rupture directivity among central San Andreas fault microearthquakes, J. Geophys. Res., 105(B8), 19,095-19,109, doi:10.1029/2000JB900129.
88. Rubin, A. M., D. Gillard, and J.-L. Got (1999), Streaks of microearthquakes along creeping faults, Nature, 400, 635-641, doi:10.1038/23196. (Pubitemid 29382560)
89. Rymer, M. J. (2000), Triggered surface slips in the Coachella valley area associated with the 1992 Joshua Tree and Landers, California, earthquakes, Bull. Seismol. Soc. Am., 90(4), 832-848, doi:10.1785/0119980130.
90. Rymer, M. J., J. Boatwright, L. C. Seekins, D. Yule, and J. Liu (2002), Triggered surface slips in the Salton trough associated with the 1999 Hector Mine, California, earthquake, Bull. Seismol. Soc. Am., 92(4), 1300-1317, doi:10.1785/0120000935. (Pubitemid 34979442)
91. Sagy, A., E. E. Brodsky, and G. J. Axen (2007), Evolution of fault-surface roughness with slip, Geology, 35(3), 283-286, doi:10.1130/G23235A. 1. (Pubitemid 46437840)
92. Saucier, F., E. D. Humphreys, and R. J. Weldon (1992), Stress near geometrically complex strike-slip faults: Application to the San Andreas fault at Cajon Pass, California, J. Geophys. Res., 97(B4), 5081-5094, doi:10.1029/91JB02644.
93. Shearer, P. M. (2002), Parallel fault strands at 9-km depth resolved on the Imperial fault, southern California, Geophys. Res. Lett., 29(14), 1674, doi:10.1029/2002GL015302.
94. Shearer, P. M., E. Hauksson, and G. Lin (2005), Southern California hypocenter relocation with waveform cross-correlation, Part 2: Results using source-specific station terms and cluster analysis, Bull. Seismol. Soc. Am., 95(3), 904-915, doi:10.1785/0120040168. (Pubitemid 41030373)
95. Shi, Z., and Y. Ben-Zion (2006), Dynamic rupture on a bimaterial interface governed by slip-weakening friction, Geophys. J. Int., 165(2), 469-484, doi:10.1111/j.1365-246X.2006.02853.x.
96. Silverman, B. W. (1986), Density Estimation for Statistics and Data Analysis, Chapman and Hall, New York.
97. Stirling, M. W., S. G. Wesnousky, and K. Shimazaki (1996), Fault trace complexity, cumulative slip, and the shape of the magnitude-frequency distribution for strike-slip faults: A global survey, Geophys. J. Int., 124, 833-868, doi:10.1111/j.1365-246X.1996.tb05641.x.
98. Tchalenko, J. S. (1970), Similarities between shear zones of different magnitudes, Geol. Soc. Am. Bull., 81, 1625-1640, doi:10.1130/0016-7606 (1970)81[1625:SBSZOD]2.0.CO;2.
99. Thurber, C., H. Zhang, F. Waldhauser, J. L. Hardebeck, A. J. Michael, and D. Eberhart-Phillips (2006), Three-dimensional compressional wavespeed model, earthquake relocations, and focal mechanisms for the Parkfield, California, region, Bull. Seismol. Soc. Am., 96(4B), S38-S49, doi:10.1785/0120050825.
100. Turcotte, D. L. (1997), Fractals and Chaos in Geology and Geophysics, 398 pp., Cambridge Univ. Press, Cambridge, U. K.
101. Unsworth, M. J., P. E. Malin, G. D. Egbert, and J. R. Booker (1997), Internal structure of the San Andreas fault at Parkfield, Calif. Geol., 25(4), 359-362.
102. Vidale, J. E., and P. M. Shearer (2006), A survey of 71 earthquake bursts across southern California: Exploring the role of pore fluid pressure fluctuations and aseismic slip as drivers, J. Geophys. Res., 111, B05312, doi:10.1029/2005JB004034.
103. Waldhauser, F., and W. L. Ellsworth (2000), A double-difference earthquake location algorithm: Method and application to the northern Hayward fault, Bull. Seismol. Soc. Am., 90, 1353-1368, doi:10.1785/ 0120000006. (Pubitemid 32320385)
104. Waldhauser, F., W. L. Ellsworth, and A. Cole (1999), Slip-parallel seismic lineations on the northern Hayward fault, California, Geophys. Res. Lett., 26(23), 3525-3528, doi:10.1029/1999GL010462. (Pubitemid 30137344)
105. Waldhauser, F., W. L. Ellsworth, D. P. Schaff, and A. Cole (2004), Streaks, multiplets, and holes: High resolution spatio-temporal behavior of Parkfield seismicity, Geophys. Res. Lett., 31, L18608, doi:10.1029/ 2004GL020649.
106. Wallace, R. E., and H. T. Morris (1986), Characteristics of faults and shear zones in deep mines, Pure Appl. Geophys., 124(1-2), 107-125, doi:10.1007/BF00875721.
107. Weertman, J. (1980), Unstable slippage across a fault that separates elastic media of different elastic constants, J. Geophys. Res., 85(B3), 1455-1461, doi:10.1029/JB085iB03p01455.
108. Wesnousky, S. G. (1988), Seismological and structural evolution of strikeslip faults, Nature, 335, 340-343, doi:10.1038/335340a0. (Pubitemid 19309411)
109. Wesnousky, S. G. (1990), Seismicity as a function of cumulative geologic offset: Some observations from southern California, Bull. Seismol. Soc. Am., 80(5), 1374-1381.
110. Wisely, B. A., D. A. Schmidt, and R. J. Weldon (2007), The Uniform California Earthquake Rupture Forecast, Version 2(UCERF 2), Appendix P: Compilation of surface creep on California faults and comparison of WG-07 deformation model to Pacific-North America plate motion, U.S. Geol. Surv. Open-File Rep., 2007-1437, 43 pp.
111. Working Group on California Earthquake Probabilities and the USGS National Seismic Hazard Mapping Program (WGCEP and NSHMP) (2007), The uniform California earthquake rupture forecast, version 2 (UCERF 2), U.S. Geol. Surv. Open File Rep., 2007-1437, 70 pp.
112. Wu, J., J. A. Hole, A. Snoke, and M. G. Imhof (2008), Depth extent of the fault-zone seismic waveguide: Effects of increasing velocity with depth, Geophys. J. Int., 173(2), 611-622, doi:10.1111/j.1365-246X.2008. 03755.x.
113. Yule, D., and K. E. Sieh (2003), Complexities of the San Andreas fault near San Gorgonio Pass: Implications for large earthquake, J. Geophys. Res., 108(B11), 2548, doi:10.1029/2001JB000451.
114. Zhuang, J., Y. Ogata, and D. Vere-Jones (2004), Analyzing earthquake clustering features by using stochastic reconstruction, J. Geophys. Res., 109, B05301, doi:10.1029/2003JB002879.
115. Zoback, M. D., S. Hickman, and W. L. Ellsworth (2008), In-situ fault zone observations from SAFOD, EarthScope Onsite Newsletter, winter. (Available at http://www.earthscope.org/es-doc/onsite/onsite-winter08.pdf)