High pore pressure, or its absence, in the San Andreas fault

Geology

Volumn 39, Issue 11, 2011, Pages 1047-1050

  Wang, Chi Yuen ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVE FAULT; CALIFORNIA; DRILLING PROJECTS; FAULT ZONE; LONG TERM MONITORING; SAN ANDREAS FAULT;

EARTHQUAKES; STRIKE-SLIP FAULTS;

PORE PRESSURE;

ACTIVE FAULT; EARTHQUAKE MECHANISM; FAULT ZONE; PORE PRESSURE; SAN ANDREAS FAULT;

CALIFORNIA; SAN ANDREAS; UNITED STATES;

EID: 84863120666     PISSN: 00917613     EISSN: 19432682     Source Type: Journal    
DOI: 10.1130/G32294.1     Document Type: Article

References (40)

1. Berryman, J.G., 2008, Exact seismic velocities for transversely isotropic media and extended Thomsen formulas for stronger anisotropies: Geophysics, v. 73, p. D1-D10, doi:10.1190/1.2813433.
2. Bett, K.E., and Cappi, J.B., 1965, Effect of pressure on the viscosity of water: Nature, v. 207, p. 620-621, doi:10.1038/207620a0.
3. Boness, N.L., and Zoback, M.D., 2006, A multiscale study of the mechanisms controlling shear velocity anisotropy in the San Andreas Fault Observatory at Depth: Geophysics, v. 71, p. 131-146, doi:10.1190/1.2231107.
4. Brodsky, E., Mori, J., and Fulton, P.M., 2010, Drilling into faults quickly after earthquakes: Eos, Transactions, American Geophysical Union, v. 91, p. 237-244, doi:10.1029/2010EO270001.
5. Brune, J.N., Henyey, T.L., and Roy, R.F., 1969, Heat flow, stress, and rate of slip along the San Andreas Fault, California: Journal of Geophysical Research, v. 74, p. 3821-3827, doi:10.1029/JB074i015p03821.
6. Byerlee, J.D., 1978, Friction of rocks: Pure and Applied Geophysics, v. 116, p. 615-626, doi:10.1007/BF00876528.
7. Byerlee, J.D., 1990, Friction, overpressure and faultnormal compression: Geophysical Research Letters, v. 17, p. 2109-2112, doi:10.1029/GL017i012p02109.
8. Carcione, J.M., and Cavallini, F., 2002, Poison's ratio at high pore pressure: Geophysical Prospecting, v. 50, p. 97-106, doi:10.1046/j.1365 -2478.2002.00299.x.
9. Carlslaw, H.S., and Jaeger, J.C., 1959, Conduction of heat in solids (second edition): Oxford, Clarendon Press, 510 p.
10. Carpenter, B.M., Marone, C., and Saffer, D.M., 2011, Weakness of the San Andreas fault revealed by samples from the active fault zone: Nature Geoscience, p. 1-4, doi:10.1038/NGEO1089.
11. rd Symposium on Rock Mechanics: New York, Society of Mining Engineers, 9sChu, C.-L., Wang, C.-Y., and Lin, W., 1981, Permeability and frictional properties of San Andreas fault gouges: Geophysical Research Letters, v. 8, p. 565-568, doi:10.1029/GL008i006p00565.
12. Di Toro, G.D., Han, R., Hirose, T., De Paola, N., Nielsen, S., Mizoguchi, K., Ferri, F., Cocco, M., and Shimamoto, T., 2011, Fault lubrication during earthquakes: Nature, v. 471, p. 494-498, doi:10.1038/nature09838.
13. Germanovich, L.N., Lowell, R.P., and Astakhov, D.K., 2000, Stress-dependent permeability and the formation of seafloor event plumes: Journal of Geophysical Research, v. 105, p. 8341- 8354, doi:10.1029/1999JB900431.
14. Gorman, P., 2011, Scientists poised to drill into fault: Science/Stuff.co.nz (http://www.stuff.co.nz/science/4511807/Scientists-poised-to-drillinto-fault).
15. Holdsworth, R.E., van Diggelen, E.W.E., Spiers, C.J., de Bresser, J.H.P., Walker, R.J., and Bowen, L., 2011, Fault rocks from the SAFOD core samples: Implications for weakening at shallow depths along the San Andreas Fault, California: Journal of Structural Geology, v. 33, p. 132, doi:10.1016/j.jsg.2010.11.010.
16. Ingebritsen, S.W., and Manning, C.E., 2010, Permeability of the continental crust: Dynamic variations inferred from seismicity and metamorphism: Geofluids, v. 10, p. 193-205, doi:10.1111/j.1468-8123.2010.00278.x.
17. Lachenbruch, A.H., 1980, Frictional heating, fluid pressure, and the resistance to fault motion: Journal of Geophysical Research, v. 85, p. 6097-6112, doi:10.1029/JB085iB11p06097.
18. Lachenbruch, A.H., and Sass, J.H., 1980, Heat flow and energetics of the San Andreas fault zone: Journal of Geophysical Research, v. 85, p. 6185-6222, doi:10.1029/JB085iB11p06185.
19. Liechti, R., and Zoback, M.D., 1979, Preliminary analysis of clay gouge from a well in the San Andreas fault zone in central California, in Proceedings of Conference VIII: Analysis of actual fault zones in bedrock: U.S. Geological Survey Open-File Report 79-1239, p. 268-275.
20. Lo, T., Coyner, K.B., and Toksoz, N., 1986, Experimental determination of elastic anisotropy of Berea sandstone, Chicopee shale, and Chelmsford granite: Geophysics, v. 51, p. 164-171, doi:10.1190/1.1442029.
21. Lockner, D.A., Morrow, C., Moore, D., and Hickman, S., 2011, Low strength of deep San Andreas fault gouge from SAFOD core: Nature, v. 472, p. 82-85, doi:10.1038/nature09927.
22. Manning, C.E., and Ingebritsen, S.E., 1999, Permeability of the continental crust: Implications of geothermal data and metamorphic systems: Reviews of Geophysics, v. 37, p. 127-150, doi:10.1029/1998RG900002.
23. Marone, C., Carpenter, B.M., Rathbun, A.P., and Saffer, D.M., 2010, Physical properties and mechanical behavior of the active San Andres Fault Zone: Insight from laboratory studies: Eos (Transactions, American Geophysical Union), abs. T52B-04.
24. Morrow, C., Shi, L.Q., and Byerlee, J., 1984, Permeability of fault gouge under confining pressure and shear stress: Journal of Geophysical Research, v. 89, p. 3193-3200, doi:10.1029/JB089iB05p03193.
25. Mount, V.S., and Suppe, J., 1987, State of stress near the San Andreas Fault: Implications for wrench tectonics: Geology, v. 15, p. 1143-1146, doi:10.1130/0091-7613(1987)15<1143:SOSNTS >2.0.CO;2.
26. Rathbun, A.P., Song, I., and Saffer, D., 2010, Permeability of the San Andreas fault zone at depth: Eos (Transactions, American Geophysical Union), abs. T41A-2095.
27. Rice, J.R., 1992, Fault stress states, pore pressure distributions, and the weakness of the San Andreas Fault, in Evans, B., and Wong, T.-F., eds., Fault Mechanics and Transport Properties of Rocks: San Diego, Academic Press, p. 475-503.
28. Saar, M.O., and Manga, M., 2004, Depth dependence of permeability in the Oregon Cascades inferred from hydrogeologic, thermal, seismic, and magmatic modeling constraints: Journal of Geophysical Research, v. 109, B04204, doi:10.1029/2003JB002855.
29. Wang, C.-Y., 1984, On the constitution of the San Andreas fault: Journal of Geophysical Research, v. 89, p. 5858-5866, doi:10.1029/JB089iB07p05858.
30. Wang, C.-Y., and Mao, N.H., 1979, Shearing of saturated clays in rock joints at high-confining pressures: Geophysical Research Letters, v. 6, p. 825-828, doi:10.1029/GL006i011p00825.
31. Wang, C.-Y., Lin, W., and Wu, F., 1978, Constitution of the San Andreas fault zone at depth: Geophysical Research Letters, v. 5, p. 741-744, doi:10.1029/GL005i009p00741.
32. Wang, C.-Y., Rui, F., Yao, Y.Z., and Shi, X., 1986, Gravity anomaly and density structure of the San Andreas Fault Zone: Pure and Applied Geophysics, v. 124, p. 127-140, doi:10.1007/BF00875722.
33. Wiersberg, T., and Erzinger, J., 2011, Chemical and isotope composition of drilling mud gas from the San Andreas Fault Observatory at Depth (SAFOD) boreholes: Implications on gas migration and the permeability structure of the San Andreas fault: Chemical Geology, v. 284, p. 148- 159, doi:10.1016/j.chemgeo.2011.02.016.
34. Williams, C.F., Grubb, F.V., and Galanis, S.P., Jr., 2004, Heat flow in the SAFOD pilot hole and implications for the strength of the San Andreas Fault: Geophysical Research Letters, v. 31, L15S14, doi:10.1029/2003GL019352.
35. Wu, F.T., 1978, Mineralogy and physical nature of clay gouge: Pure and Applied Geophysics, v. 116, p. 655-689, doi:10.1007/BF00876531.
36. Wu, F.T., Blatter, L., and Roberson, H., 1975, Clay gouges in the San Andreas fault system and their possible implications: Pure and Applied Geophysics, v. 113, p. 87-95, doi:10.1007/BF01592901.
37. Zoback, M.D., and Lachenbruch, A.H., 1992, Introduction to Special Section on the Cajon Pass Scientific Drilling Project: Journal of Geophysical Research, v. 97, p. 4991-4994, doi:10.1029/91JB03110.
38. Zoback, M.D., and 12 others, 1987, New evidence on the state of stress of the San Andreas fault system: Science, v. 238, p. 1105-1111, doi:10.1126/science.238.4830.1105.
39. Zoback, M.D., Hickman, S., and Ellsworth, W., 2010, Scientific drilling into the San Andreas fault zone: Eos, Transactions, American Geophysical Union, v. 91, p. 197-204, doi:10.1029/2010EO220001.
40. Zoback, M.D., Hickman, S., and Ellsworth, W., and the SAFOD Science Team, 2011, Scientific drilling into the San Andreas fault zone-An overview of SAFOD's first five years: Scientific Drilling, v. 11, p. 14-28, doi:10.2204/iodp. sd.11.02.2011.