Spatial distribution of focal mechanisms for interplate and intraplate earthquakes associated with the subducting Pacific plate beneath the northeastern Japan arc: A triple-planed deep seismic zone

Journal of Geophysical Research: Solid Earth

Volumn 106, Issue B2, 2001, Pages 2177-2191

  Igarashi, Toshihiro ^a   Matsuzawa, Toru ^a   Umino, Norihito ^a   Hasegawa, Akira ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKE; FOCAL MECHANISM; SPATIAL DISTRIBUTION; SUBDUCTION ZONE;

JAPAN;

EID: 0035067014     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2000jb900386     Document Type: Article

References (69)

1. Brune, J. N., Tectonic stress and the spectra of seismic shear waves from earthquakes, J. Geophys. Res., 75, 4997-5009, 1970.
2. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein, Current plate motions, Geophys. J. Int., 101, 425-478, 1990.
3. DeMets, C., R. G. Gordon, D. F. Argus, and S. Stein, Effect of recent revisions to the geomagnetic reversal time scale on estimates of current plate motions, Geophys. Res. Lett., 21, 2191-2194, 1994.
4. Dziewonski, A. M., and F. Gilbert, Temporal variation of the seismic moment and the evidence of precursive compression for two deep earthquakes, Nature, 247, 185-188, 1974.
5. Engdahl, E. R. and C. H. Scholz, A double Benioff zone beneath the central Aleutians: An unbending of the lithosphere, Geophys. Res. Lett., 4, 473-476, 1977.
6. Frohlich, C., Triangle diagrams: ternary graphs to display similarity and diversity of earthquake focal mechanisms, Phys. Earth Planet. Inter., 75, 193-198, 1992.
7. Fujita, K., and H. Kanamori, Double seismic zones and stress of intermediate depth earthquakes, Geophys. J. R. Astron. Soc., 66, 131-156, 1981.
8. Gilbert, F., Derivation of source parameters from low-frequency spectra, Philos. Trans. R. Soc. London, Ser. A, 274, 369-371, 1973.
9. Goto, K., H. Hamaguchi, and Z. Suzuki, Earthquake generating stresses in a descending slab, Tectonophysics, 112, 111-128, 1985.
10. Hamaguchi, H., K. Goto, and Z. Suzuki, Double-planed structure of intermediate-depth seismic zone and thermal stress in the descending plate, J. Phys. Earth, 31, 329-347, 1983.
11. Hasegawa, A., and I. S. Sacks, Subduction of the Nazca plate beneath Peru as determined from seismic observations, J. Geophys. Res., 86, 4971-4980, 1981.
12. Hasegawa, A., and A. Takagi, Comparison of Wadati-Benioff zone geometry and distribution of earthquake generation stress beneath northeastern Japan and those beneath western South America, Sci. Rep. Tohoku Univ., 5, 31, 1-18, 1987.
13. Hasegawa, A., N. Umino, and A. Takagi, Double-planed structure of the deep seismic zone in the northeastern Japan arc, Tectonophysics, 47, 43-58, 1978a.
14. Hasegawa, A., N. Umino, and A. Takagi, Double-planed deep seismic zone and upper-mantle structure in the northeastern Japan arc, Geophys. J. R. Astron. Soc., 54, 281-296, 1978b.
15. Hasegawa, A., T. Umino, A. Yamamoto, and A. Takagi, Automatic event detection and location system of microearthquake observation network, (in Japanese with English abstract), J. Seismol. Soc. Jpn., 39, 381-395, 1986.
16. Hasegawa, A., S. Horiuchi, and N. Umino, Seismic structure of the northeastern Japan convergent margin: A synthesis, J. Geophys. Res., 99, 22,295-22,311, 1994.
17. Hino, R., T. Kanazawa, and A. Hasegawa, Intraplate seismic activity near the northern Japan Trench deduced from ocean bottom and land-based seismic observations, Phys. Earth Planet. Inter., 93, 37-52, 1996.
18. Horiuchi, S., T. Matsuzawa, and A. Hasegawa, A real-time processing system of seismic wave using personal computers, J. Phys. Earth, 40, 395-406, 1992.
19. House, L. S., and K. H. Jacob, Thermal stresses in subducting lithosphere can explain double seismic zones, Nature, 295, 587-589, 1982.
20. Hurukawa, N., and S. Ohmi, A hypocenter-determination method using station corrections as a function of hypocenter coordinates, (in Japanese with English abstract), J. Seismol. Soc. Jpn., 46, 285-295, 1993.
21. Isacks, B. L., and M. Barazangi, Geometry of Benioff zones: Lateral segmentation and downwards bending of the subducted lithosphère, in Island Arcs, Deep Sea Trenches, and Back-Arc Basins, Maurice Ewing Ser., vol. 1, edited by M. Talwani and W. C. Pitmann III, pp. 99-114, AGU, Washington, D. C., 1977.
22. Julian, B. R., Analyzing seismic-source mechanisms by linear-programming methods, Geophys. J. R. Astron. Soc., 84, 431-443, 1986.
23. Kao, H., and L.-G. Liu, A hypothesis for the seismogenesis of a double seismic zone, Geophys. J. Int., 123, 71-84, 1995.
24. Kawakatsu, H., Double seismic zones: Kinematics, J. Geophys. Res., 91, 4811-4825, 1986.
25. Kawakatsu, H., and T. Seno, Triple seismic zone and the regional variation of seismicity along the northern Honshu arc, J. Geophys. Res., 88, 4215-4230, 1983.
26. Kikuchi, M., and H. Kanamori, Inversion of complex body waves - III, Bull. Seismol. Soc. Am., it 81, 2335-2350, 1991.
27. Kirby, S, Intraslab earthquakes and phase changes in subducting lithosphere, U.S. Natl. Rep. Int. Union Geod. Geophys. 1991-1994, Rev. Geophys., suppl., 287-297, 1995.
28. Kisslinger, C., Evaluation of S to P amplitude ratios for determining focal mechanisms from regional network observations, Bull. Seismol. Soc. Am., 70, 999-1014, 1980.
29. Kisslinger, C., J. R. Bowman, and K. Koch, Procedures for computing focal mechanisms from local (SV/P)z data, Bull. Seismol. Soc. Am., 71, 1719-1729, 1981.
30. Kosuga, M., T. Sato, A. Hasegawa, T. Matsuzawa, S. Suzuki, and Y. Motoya, Spatial distribution of intermediate-depth earthquakes with horizontal or vertical nodal planes beneath northeastern Japan, Phys. Earth Planet. Inter., 93, 63-89, 1996.
31. Maeda, N., Method for computing focal mechanisms for an earthquake cluster -Aftershocks of the earthquake with M 4.9 occurred in Kyoto-Osaka border region on May 28, 1987-, (in Japanese with English abstract), J. Seismol. Soc. Jpn., 41, 323-333, 1988.
32. 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.
33. Matsuzawa, T., N. Umino, A. Hasegawa, and A. Takagi, Normal fault type events in the upper plane of the double-planed deep seismic zone beneath the northeastern Japan arc, J. Phys. Earth, 34, 85-94, 1986a.
34. Matsuzawa, T., N. Umino, A. Hasegawa, and A. Takagi, Upper mantle velocity structure estimated from PS-converted wave beneath the north-eastern Japan Arc, Geophys. J. R. Astron. Soc., 86, 767-787, 1986b.
35. Matsuzawa, T., N. Umino, A. Hasegawa, and A. Takagi, Estimation of thickness of a low-velocity layer at the surface of the descending oceanic plate beneath the northeastern Japan arc by using synthesized PS-wave, Tohoku Geophys. J., 31, 1987.
36. Matsuzawa, T., T. Kono, A. Hasegawa, and A. Takagi, Subducting plate boundary beneath the northeastern Japan arc estimated from SP converted waves, Tectonophysics, 181, 123-133, 1990.
37. Matsuzawa, T., N. Umino, A. Hasegawa, Y. Motoya, S. Kodaira, T. Sato, and M. Kosuga, Seismic activity off Sanriku determined by combined network data (2), paper presented at 1994 Fall Meeting, Seismol. Soc. of Jpn., Fukuoka, Japan, 1994.
38. Matsuzawa, T., S. Horiuchi, N. Umino, and A. Hasegawa, LOCHYP - A hypocenter - determination software handling a lot of microearthquake observation data using a workstation, paper presented at Japan Earthquake and Planetary Science Joint Meeting, Excutive Committee of JEPSJM. Osaka, Japan, 1996.
39. Munsey, J. W., and G. A. Bollinger, Focal mechanism analysis for virginia earthquakes, Bull. Seismol. Soc. Am., 75, 1613-1636, 1985.
40. Nakamura, A., S. Horiuchi, and A. Hasegawa, Joint focal mechanism determination with source-region station corrections using short period body wave amplitude data, Bull. Seismol. Soc. Am., 89, 373-383, 1999.
41. Nakayama, T., Characteristics of the aseismic front estimated from seismicity and its seismotectonic implications, (in Japanese), Ms. thesis, 128 pp., Tohoku Univ., Sendai, Japan, 1987.
42. Pearce, R. G., Fault plane solutions using relative amplitudes of P and pP, Geophys. J. R. Astron. Soc., 50, 381-394, 1977.
43. Pearce, R. G., Fault plane solutions using relative amplitudes of P and surface reflections: Further studies, Geophys. J. R. Astron. Soc., 60, 459-487, 1980.
44. Pearce, R. G., The relative amplitude method applied to 19 March 1984 Uzbekistan earthquake and its aftershocks, Phys. Earth Planet. Inter., 47, 137-149, 1987.
45. Pearce, P. G., and R. M. Rogers, Determination of earthquake moment tensors from teleseismic relative amplitude observations, J. Geophys. Res., 94, 775-786, 1989.
46. Reyners, M., A microseismic study of the plate boundary, North Island, New Zealand, Geophys. J. R. Astron. Soc., 63, 1-22, 1980.
47. Reyners, M., and K. S. Coles, Fine structure of the dipping seismic zone and subduction mechanics in the Shumagin Islands, Alaska, J. Geophys. Res., 87, 356-366, 1982.
48. Rögnvaldsson, S. T., and R. Slunga, Routine fault plane solutions for local networks: A test with synthetic data, Bull. Seismol. Soc. Am., 83, 1232-1247, 1993.
49. Samowitz, I. R., and D. W. Forsyth, Double seismic zone beneath the Mariana Island Arc, J. Geophys. Res., 86, 7013-7021, 1981.
50. Seno, T., and B. Pongsawat, A triple-planed structure of seismicity and earthquake mechanisms at the subduction zone off Miyagi Prefecture, northern Honshu, Japan, Earth Planet. Sci. Lett., 55, 25-36, 1981.
51. Seno, T., and Y. Yamanaka, Double seismic zones, compressional deep trench-outer rise events, and superplumes, in Subduction Top to Bottom, Geophys. Monogr. Ser., vol. 96, edited by G. E. Bebout et al., pp. 347-355, AGU, Washington, D.C., 1996.
52. Sleep, N. H., The double seismic zone in down going slabs and the viscosity of the mesosphere, J. Geophys. Res., 84, 4565-4571, 1979.
53. Slunga, R., Earthquake source mechanism determination by use of body-wave amplitudes-an application to Swedish earthquakes, Bull. Seismol. Soc. Am., 71, 25-35, 1981.
54. Snoke, J. A., J. W. Munsey, A. G. Teague, and G. A. Bollinger, A program for focal mechanism determination by combined use of polarity and SV-P amplitude ratio data, Earthquake Notes, 55, 15, 1984.
55. Tanimoto, T., State of stress within a bending spherical shell and its implications for subducting lithosphere, Geophys. J. Int., 134, 199-206, 1998.
56. Tsukahara, H., Physical conditions for double seismic planes of the deep seismic zone, J. Phys. Earth, 28, 1-15, 1980.
57. Umino, T., and A. Hasegawa, On the two-layered structure of deep seismic plane in northeastern Japan arc, (Japanese with English abstract), J. Seismol. Soc. Jpn., 27, 125-139, 1975.
58. Umino, N., and A. Hasegawa, How deep does the double-planed deep seismic zone continue beneath the northeastern Japan arc?, paper presented at 1993 Fall Meeting, Seismol. Soc. of Jpn., Tottori, Japan, 1993.
59. Umino, N., and A. Hasegawa, How deep does the double-planed deep seismic zone keep its continuation beneath the northeastern Japan arc?, part 2, paper presented at Japan Earthquake and Planetary Science Joint Meeting, Executive Committee of JEPSJM, Sendai, Japan, 1994.
60. Umino, T., A. Hasegawa, A. Takagi, S. Suzuki, Y. Motoya, S. Kameya, K. Tanaka, Y. Sawada, Focal mechanisms of intermediate-depth earthquakes beneath Hokkaido and Northern Honshu, Japan, (in Japanese with English abstract), J. Seismol. Soc. Jpn., 37, 523-538, 1984.
61. Umino, N., A. Hasegawa, and T. Matsuzawa, sP depth phase at small epicentral distances and estimated subducting plate boundary, Geophys. J. Int., 120, 356-366, 1995a.
62. Umino, N., T. Matsuzawa, T. Kono, and A. Hasegawa, Hypocenter relocation by source region station corrections, paper presented at 1995 Fall Meeting, Seismol. Soc. of Japan, Shizuoka, Japan, 1995b.
63. Veith, K. F., The relationship of island arc seismicity to plate tectonics, Ph.D. thesis, South. Methodist Univ., Dallas Tex., 1974.
64. Wessel, P., and W. H. F. Smith, New Version of the Generic Mapping Tools Released, Eos Trans. AGU, 76, 329, 1995.
65. Yoshii, T., Proposal of the "aseismic front", (in Japanese), J. Seismol. Soc. Jpn., 28, 365-367, 1975.
66. Yoshii, T., A detailed cross-section of the deep seismic zone beneath northeastern Honshu, Japan, Tectonophysics, 55, 349-360, 1979.
67. Zhao, D., S. Horiuchi, and A. Hasegawa, 3-D seismic velocity structure of the crust and the uppermost mantle in the northeastern Japan arc, Tectonophysics, 181, 135-149, 1990.
68. Zhao, D., A. Hasegawa, and S. Horiuchi, Tomographic imaging of P and S wave velocity structure beneath northeastern Japan, J. Geophys. Res., 97, 19,909-19,928, 1992.
69. Zhao, D., T. Matsuzawa, and A. Hasegawa, Morphology of the subducting slab boundary in the northeastern Japan arc, Phys. Earth Planet. Inter., 102, 89-104, 1997.