Stress and crustal anisotropy in Marlborough, New Zealand: Evidence for low fault strength and structure-controlled anisotropy

Geophysical Journal International

Volumn 163, Issue 3, 2005, Pages 1073-1086

  Balfour, Natalie J ^a,b   Savage, M K ^a   Townend, J ^a  

^a VICTORIA UNIVERSITY OF WELLINGTON   (New Zealand)

^b GEOSCIENCE AUSTRALIA   (Australia)

Author keywords

Faulting; Friction; Marlborough; New Zealand; Seismic anisotropy; Stress

Indexed keywords

ANISOTROPY; FAULTING; PLATE MOTION; S-WAVE; STRESS; STRIKE-SLIP FAULT; WAVE SPLITTING;

AUSTRALASIA; CALIFORNIA; MARLBOROUGH; NEW ZEALAND; NORTH AMERICA; SOUTH ISLAND; UNITED STATES;

EID: 33744460556     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2005.02783.x     Document Type: Article

References (69)

1. Abers, G. & Gephart, J., 2001. Direct inversion of earthquake first motions for both the stress tensor and focal mechanisms and application to southern California, J. geophys. Res., 106, 26 523-26 540.
2. Anderson, H., Webb, T. & Jackson, J., 1993. Focal mechanisms of large earthquakes in the South Island of New Zealand: Implications for the accommodation of the Pacific-Australia plate motion. Geophys. J. Int., 115, 1032-1054.
3. Audoine, E., Savage, M. & Gledhill, K., 2000. Seismic anisotropy from local earthquakes in the transition region from a subduction to a strike-slip plate boundary, J. geophys. Res., 105, 8013-8033.
4. Balfour, N., 2004. Stress and crustal anisotropy in Marlborough, New Zealand: Evidence for low frictional-strength of faults and structure-controlled anisotropy, MSc thesis, Victoria University of Wellington, New Zealand.
5. Bibby, H., 1981. Geodetically determined strain across the southern end of the Tonga-Kermadic-Hikurangi subduction zone, Geophys. J. R. astr. Soc., 66, 513-533.
6. Boness, N. & Zoback, M.D., 2004a. Stress-induced seismic velocity anisotropy and physical properties in the SAFOD pilot hole in Parkfield, CA, Geophys. Res. Lett., 31, L15S17.
7. Boness, N. & Zoback, M.D., 2004b. Multi-scale crustal seismic anisotropy in the region surrounding the San Andreas fault near Parkfield, CA, EOS, Trans. Am. geophys. Un., 85 (47), Fall Meeting Suppl., Abstract T11F-05.
8. Bott, M., 1959. The mechanics of oblique slip faulting. Geol. Mag., 96 109-117.
9. Bourne, S., Árnadóttir, T., Beavan, J., Darby, D., England, P., Parsons, B., Walcott, R. & Wood, P., 1998. Crustal deformation of the Marlborough fault zone in the South Island of New Zealand: Geodetic constraints over the interval 1982-1994, J. geophys. Res., 103, 30 147-30 165.
10. Buland and Chapman., 1983. The computation of seismic travel times. Bull. seism. Soc. Am., 73, 1271-1302.
11. Byerlee, J., 1978. Friction of rocks, Pure appl. Geophys., 116, 615-626.
12. Cochran, E. & Vidale, J., 2003. Near-fault anisotropy following the Hector Mine earthquake, J. geophys. Res., 108, 2436, doi:.
13. Crampin, S., 1987. Geological and industrial applications of extensive-dilatancy anisotropy. Nature, 328, 491-496.
14. Crampin, S., 1994. The fracture criticality of crustal rocks, Geophys. J. Int., 118, 428-438.
15. Crampin, S., Volti, T., Chastin, S., Gudmundsson, A. & Stefánsson, R., 2002. Indication of high pore-fluid pressures in a seismically active fault zone, Geophys. J. Int., 151, F1-F5.
16. DeMets, C., Gordon, D., Argus, D. & Stein, S., 1990. Current plate motions, Geophys. J. Int., 139, 769-794.
17. do Nascimento, A., Pearce, R. & Takeya, M., 2002. Local shear-wave observations in João Câmara, NE Brazil, J. geophys. Res., 107, 2232-2242
18. Doser, D., Webb, T. & Maunder, D., 1999. Source parameters of large historical (1918-1962) earthquakes, South Island, New Zealand, Geophys. J. Int., 139, 769-794.
19. Dowrick, D. & Rhoades, D., 1998. Magnitudes of New Zealand earthquakes, 1901-1993, Bull. NZ Nat. Soc. Earthq. Eng., 31, 260-280.
20. Eberhart-Phillips, D. & Reyners, M., 1997. Continental subduction and three-dimensional crustal structure: The northern South Island, New Zealand, J. geophys. Res., 102, 11 843 -11 861.
21. Evans, R., 1984. Effects of the free surface on shear wavetrains, Geophys. J. R. astr. Soc., 76, 165-172.
22. Fulton, P., Saffer, R., Harris, R. & Berkins, B., 2004. Re-evaluation of heat flow data near Parkfield, CA, Geophys. Res. Lett., 31, L15S15.
23. Gephart, J. & Forsyth, D., 1984. An improved method for determining the regional stress tensor using earthquake focal mechanism data: application to the San Fernando earthquake sequence, J. geophys. Res., 89, 9305-9320.
24. Gephart, J., 1990. Stress and the direction of slip on fault planes, Tectonics, 9, 845-858.
25. Gerst, A. & Savage, M., 2004. Seismic anisotropy beneath Ruapehu volcano: A possible eruption forecasting tool, Science, 306, 1543-1547.
26. Gledhill, K., 1991. Evidence for shallow pervasive seismic anisotropy in the Wellington Region, New Zealand, J. geophys. Res., 96, 21 503-21 516.
27. Gledhill, K. & Stuart, G., 1996. Seismic anisotropy in the fore-arc region of the Hikurangi subduction zone, New Zealand, Phys. Earth planet Inter., 95, 211-225.
28. Hartigan, J., 1975. Clustering algorithms, John Wiley and Sons, Inc.
29. Hickman, S. & Zoback, M.D., 2004. Stress orientations and magnitudes in the SAFOD pilot hole: Implications for the strength of the San Andreas fault at Parkfield, Geophys. Res. Lett., 31, L15S12.
30. Holt, W. & Haines, A., 1995. The kinematics of the northern South Island, New Zealand, determined from geologic strain rates, J. geophys. Res., 100, 17 991-18 010.
31. Jones, L., 1988. Focal mechanisms and the state of stress on the San Andreas fault in southern California, J. geophys. Res., 93, 8869-8891.
32. Klosko, E., Wu, F., Anderson, H., Eberhart-Phillips, D., McEvilly, E., Audoine, E., Savage, M. & Gledhill, K., 1999. Upper mantle anisotropy in the New Zealand region, Geophys. Res. Lett., 26, 1496-1500.
33. Lachenbruch, A. & Sass, J., 1992. Heat flow from Cajon Pass, fault strength, and tectonic implications, J. geophys. Res., 97, 4995-5015.
34. Little, T., Grapes, R. & Berger, G., 1998. Late Quaternary strike slip on the eastern part of the Awatere fault, South Island, New Zealand, Geol. soc. Am. Bull., 110, 127-148.
35. Liu, Z. & Bird, P., 2002. Finite element modelling of neotectonics in New Zealand, J. geophys. Res., 107, 2328.
36. Lund, B., 2000. Crustal stress studies using microearthquakes and boreholes, PhD thesis, Uppsala University, Sweden.
37. Mardia, K., 1972, Statistics of directional data, Academic Press.
38. McGinty, P., Robinson, R., Taber, J. & Reyners, M., 1997. The 1990 Lake Tennyson earthquake sequence, Marlborough, New Zealand. NZ J. Geol. Geophys., 40, 521-535.
39. McGinty, P., Reyners, M. & Robinson, R., 2000. Stress directions in the shallow part of the Hikurangi subduction zone, New Zealand, from the inversion of earthquake first motions, Geophys. J. Int., 142, 339-350.
40. McKenzie, D., 1969. The relation between fault plane solutions for earthquakes and the direction of the principal stresses. Bull. seism. Soc. Am., 59, 591-601.
41. Michael, A., 1984. Determination of stress from slip data: Faults and folds, J. geophys. Res., 89, 11 517-11 526.
42. Michael, A., 1987. Use of focal mechanisms to determine stress: A control study, J. geophys. Res., 97, 357-368.
43. Miller, V. & Savage, M., 2001. Changes in seismic anisotropy after volcanic eruptions: Evidence from Mount Ruapehu, Science, 293, 5538, 2231-2233.
44. Mount, V.S. & Suppe, J., 1987. State of stress near the San Andreas fault: Implications for wrench tectonics, Geology, 15, 1143-1146.
45. Nuttli, O.W., 1961. The effect of the Earth's surface on the S wave particle motion, Bull. seism. Soc. Am., 51, 237-246.
46. Okaya, D., Christensen, N., Stanley, D. & Stern, T., 1995. Crustal anisotropy in the vicinity of the Alpine Fault, South Island, New Zealand, NZ J. Geol. Geophy., 38, 579-583.
47. Paulssen, H., 2004. Crustal anisotropy in southern California from local earthquake data, Geophys. Res. Lett., 31, L01601.
48. Prejean, S., 2002. The interaction of tectonic and magmatic processes in the Long Valley Caldera, California, PhD thesis, Stanford University, California.
49. Reyners, M., Robinson, R. & McGinty, P., 1997. Plate coupling in the northern South Island and the southernmost North Island, New Zealand, as illuminated by earthquake focal mechanisms, J. geophys. Res., 102, 15 97-15 210.
50. Rice, J., 1992. Fault stress states, pore pressure distributions, and the weakness of the San Andreas fault, in Fault mechanics and transport properties of rocks, Vol. 51, pp. 475-503, eds Evans, B. & Wong, T.-F., Academic Press, London, UK.
51. Savage, M.K., Peppin, W.A. & Vetter, U.R., 1990. Shear-wave anisotropy and stress direction in and near Long Valley Caldera, California, 1979-1988, J. geophys. Res., 95, 11 165-11 177.
52. Sheriff, R. & Geldart., 1995. Exploration Seismology, 2nd edn, Cambridge University Press.
53. Sibson, R., 1985. A note on fault reactivation, J. Struct. Geol., 7, 754-761.
54. Sibson R., 1990. Conditions for fault-valve behaviour, in Deformation mechanisms, rheology and tectonics, Vol. 54, pp 15-28, eds Knipe, R. & Rutter, E., Geol. Soc. Special Pub., Cambridge, UK.
55. Silver, P. & Chan, W., 1991. Shear-wave splitting and subcontinental mantle deformation, J. geophys. Res., 96, 16 429-16 454.
56. Teanby, N., Kendall, J.-M. & van der Baan, M., 2004. Automation of shear-wave splitting measurements using cluster analysis. Bull. seism. Soc. Am., 94, 453-463.
57. Townend, J. & Zoback, M.D., 2000. How faulting keeps the crust strong, Geology, 28, 399-402.
58. Townend, J. & Zoback, M.D., 2001. Implications of earthquake focal mechanisms for the frictional strength of the San Andreas fault system, in The nature and significance of fault zone weakening, Vol. 186, pp. 13-22, ed. Holdsworth, R., Geol. Soc. London Special Pub.
59. Townend, J. & Zoback, M.D., 2004. Regional tectonic stress near the San Andreas fault in central and southern California, Geophys. Res. Lett., 31, L15S11.
60. Wallace, R., 1951. Geometry of shearing stress and relation to faulting, J. Geol., 59, 118-130.
61. Webb, T. & Anderson, H., 1998. Focal mechanisms of large earthquakes in the North Island of New Zealand: Slip partitioning at an oblique active margin, Geophys. J. Int., 134, 40-86.
62. Williams, C., Grubb, F. & Galanis Jr, S., 2004. Heat flow in the SAFOD pilot hole and the implications for the strength of the San Andreas fault, Geophys. Res. Lett., 31, L15S14.
63. Wilson, C., Jones, C., Molnar, P., Sheehan, A. & Boyd, O., 2004. Distributed deformation in the lower crust and upper mantle beneath a continental strike-slip fault zone: Marlborough fault system, South Island, New Zealand, Geology, 32, 837-840.
64. Zatsepin, S.V. & Crampin, S., 1997. Modelling the compliance of crustal rock-I. Response to differential stress, Geophys. J. Int., 129, 477-494.
65. Zhang, Z. & Schwartz, S., 1994. Seismic anisotropy in the shallow crust of the Loma Prieta segment of the San Andreas fault system, J. geophys. Res., 99, 9651-9661.
66. Zinke, J. & Zoback, M.D., 2000. Structure-related and stress-induced shear-wave velocity anisotropy: Observations from microearthquakes near the Calaveras Fault in Central California, Bull. seism. Soc. Am., 90, 1305-1312.
67. Zoback, M.D. et al., 1987. New evidence for the state of stress on the San Andreas fault system, Science, 238, 1105-1111.
68. Zoback, M.D. & Townend, J., 2001. Implications of hydrostatic pore fluid pressures and high crustal strength for the deformation of intraplate lithosphere, Tectonophysics, 336, 19-30.
69. Zoback, M.D. & Zoback, M.L., 2002. Stress in the earth's lithosphere, Encyclopedia of physical science and technology, 16, 143-154, Academic Press, San Diego, USA.