Depth-dependent change in the focal mechanism of shallow earthquakes: Implications for brittle-plastic transition in a seismogenic region

Journal of Geophysical Research: Solid Earth

Volumn 101, Issue 5, 1996, Pages 11209-11216

  Iio, Yoshihisa ^a,b  

^a National Research Institute for Earth Science and Disaster Prevention   (Japan)

^b Natl Inst Earthquake Prediction D   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BRITTLE/DUCTILE TRANSITION; DEPTH DEPENDENCE; FOCAL MECHANISM; SEISMOGENIC REGION; SHALLOW EARTHQUAKE; STRESS MAGNITUDE;

JAPAN, HONSHU, KINKI DISTRICT;

EID: 0000960764     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/96jb00409     Document Type: Article

References (37)

1. Angelier, J., Determination of the mean principal directions of stresses for a given fault population, Tectonophysics, 56, 17-26, 1979.
2. Bell, J. S., and D. I. Gough, The use of borehole breakouts in the study of crustal stress, in Hydraulic Fracturing Stress Measurements, edited by M. D. Zoback and B. C. Haimson, pp. 201-209, Natl. Acad. Press, Washington, D. C., 1983.
3. Brace, W. F., and D. L. Kohlstedt, Limits on lithospheric stress imposed by laboratory experiments, J. Geophys. Res., 85, 6248-6252, 1980.
4. Byerlee, J. D., Friction of rocks, Pure Appl. Geophys., 116, 615-626, 1978.
5. Carter, N., and S. H. Kirby, Transient creep and semi-brittle behavior of crystalline rocks, Pure Appl. Geophys., 116, 807-839, 1978.
6. Dieterich, J. H., Constitutive properties of faults with simulated gouge, in Mechanical Behavior of Crustal Rocks: The Handin Volume, Geophys. Monogr. Ser., vol. 24, edited by N. L. Carter, M. Friedman, J. M. Logan, and D. W. Stearns, pp. 103-120, AGU, Washington, D. C., 1981.
7. Dieterich, J. H., A model for the nucleation of earthquake slip, in Earthquake Source Mechanics, Geophys. Monogr. Ser., vol. 37, edited by S. Das, J. Boatwright, and C. H. Scholz, pp. 37-47, AGU, Washington, D. C., 1986.
8. Gay, N. C., In-situ stress measurements in South Africa, Tectonophysics, 29, 447-459, 1975.
9. Griggs, D. T., F. J. Turner, and H. C. Heard, Deformation of rocks at 500 to 800 C, in Rock Deformation, edited by D. T. Griggs and J. W. Handin, Mem. Geol. Soc. Am., 79, 39-104, 1960.
10. Hashimoto, M., Horizontal strain rates in the Japanese Islands during interseismic period deduced from geodetic surveys, I, Honshu, Shikoku and Kyushu, J. Seismol. Soc. Jpn., Ser. 2, 13-26, 1990.
11. Ito, K., Regional variations of the cutoff depth of seismicity in the crust and their relation to heat flow and large inland-earthquakes, J. Phys. Earth, 38, 223-250, 1990.
12. Ito, K., and K. Watanabe, Focal mechanisms of very shallow earthquakes in the vicinity of Lake Biawa (in Japanese with English abstract), J. Seismol. Soc. Jpn., Ser. 2, 30, 43-50, 1977.
13. Kirby, S., Tectonic stress in the lithosphere: Constraints provided by the experimental deformation of rock, J. Geophys. Res., 85, 6353-6363, 1980.
14. Kuroiso, A., and H. Watanabe, On the telemetered array system for microearthquake observation at Abuyama Seismological Observatory (in Japanese with English abstract), J. Seismol. Soc. Jpn., Ser. 2, 30, 91-106, 1977.
15. Maeda, N., Comparison of the aftershock distribution and the fault plane size of the M4.9 Kameoka earthquake on May 28, 1987, Japan, Tectonophysics, 197, 55-71, 1991.
16. Maeda, N., A method of determining focal mechanisms and quantifying the uncertainty of the determined focal mechanisms for microearthquakes, Bull. Seismol. Soc. Am., 82, 2410-2429, 1992.
17. Meissner, R., and J. Strehlau, Limits of stresses in continental crusts and their relation to the depth-frequency distribution of shallow earthquakes, Tectonics, 1, 73-89, 1982.
18. Ohnaka, M., Earthquake source nucleation: A physical model for short term precursors, Tectonophysics, 211, 149-178, 1992.
19. Pavlenkova, N. L., Crustal structure and distribution earthquakes, Gerlands Beitr. Geophys., 93, 125-132, 1984.
20. Research Group for Active Faults of Japan, Active faults in Japan, sheet maps and inventories, Univ. of Tokyo, Tokyo, 1980.
21. Rice, J. R., and A. L. Ruina, Stability of steady frictional slipping, J. Appl. Mech., 50, 343-349, 1983.
22. Ruina, A. L., Slip instability and state valuable friction law, J. Geophys. Res., 88, 10,359-10,370, 1983.
23. Rummel, F., and M. D. Zoback, Hydrofrac stress profile in the KTB boreholes VB and HB, KTB Rep. 93-2, pp. 191-194, NLfB, Hannover, Germany, 1993.
24. Scholz, C. H., The brittle-plastic transition and depth of seismic faulting, Geol. Rundsch., 77, 319-328, 1988a.
25. Scholz, C. H., The Mechanics of Earthquake and Faulting, pp. 125-132, Cambridge Univ., New York, 1988b.
26. Sibson, R. H., Fault zone models, heat flow and the depth distribution of earthquakes in the continental crust of the United States, Bull. Seismol. Soc. Am., 72, 151-163, 1982.
27. Sibson, R. H., Roughness at the base of the seismogenic zone: Contributing factors, J. Geophys. Res., 89, 151-163, 1984.
28. Smith, R. B., and R. L. Bruhn, Intraplate extensional tectonics of the eastern Basin-Range: Inferences on structural style form seismic reflection data, regional tectonics, and thermal-mechanical models of brittle-ductile deformation, J. Geophys. Res., 89, 5733-5762, 1984.
29. Stesky, R. M., W. F. Brace, D. K. Riley, and P.-Y. F. Bobin, Friction in faulted rock at high temperature and pressure, Tectonophysics, 23, 177-203, 1974.
30. Strehlau, J., A discussion of the depth extent of rupture in large continental earthquakes, in Earthquake Source Mechanics, Geophys. Monogr. Ser., vol. 37, edited by S. Das, J. Boatwright, and C. H. Scholz, pp. 131-145, AGU, Washington, D. C., 1986.
31. Tanaka, Y., State of crustal stress inferred from in-situ stress measurements, J. Phys. Earth, 34, suppl., S57-S70, 1986.
32. Tse, S. T., and J. R. Rice, Crustal earthquake instability in relation to the depth variation of frictional slip properties, J. Geophys. Res., 91, 9452-9472, 1986.
33. Ukawa, M., Lateral stretching of the Philippine Sea Plate subducting along the Nankai-Suruga trough, Tectonics, 1, 543-571, 1982.
34. Wong, T.-F., Effects of temperature and pressure on failure and post-failure behavior of Westerly granite, Mech. Mater., 1, 3-17, 1982.
35. Zoback, M. D., and B. C. Haimson (Eds.), Workshop on Hydraulic Fracturing Stress Measurements, pp. 44-54, U.S. Natl. Comm. for Rock Mech., Natl. Acad. Press, Washington, D. C., 1983.
36. Zoback, M. D., and J. H. Healy, In situ stress measurements to 3.5 km depth in the Cajon Pass scientific research borehole: Implications for the mechanics of crustal faulting, J. Geophys. Res., 97, 5039-5057, 1992.
37. Zoback, M. D., and A. H. Lachenbruch, Introduction to special section on the Cajon Pass Scientific Drilling Project, J. Geophys. Res., 97, 4991-4994, 1992.