3-D seismic structure of Kii Peninsula in southwest Japan: Evidence for slab dehydration in the forearc

Tectonophysics

Volumn 364, Issue 3-4, 2003, Pages 191-213

  Salah, Mohamed K ^a   Zhao, Dapeng ^a  

^a EHIME UNIVERSITY   (Japan)

Author keywords

Crack density; Kii Peninsula; Poisson ratio; Porosity parameter; Saturation rate; Seismic tomography

Indexed keywords

DEHYDRATION; PHILIPPINE SEA PLATE; POISSON RATIO; POROSITY; SEISMIC TOMOGRAPHY; SEISMIC VELOCITY; SEISMOTECTONICS; THREE-DIMENSIONAL MODELING;

HONSHU; JAPAN; KII PENINSULA;

EID: 0037431404     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-1951(03)00059-3     Document Type: Article

References (44)

1. Aki, K., Lee, W.H.K., 1976. Determination of the three-dimensional velocity anomalies under a seismic array using first P arrival times from local earthquakes: Part 1. A homogeneous initial model. J. Geophys. Res. 81, 4381-4399.
2. Bruner, W., 1976. Comment on "Seismic velocities in dry and saturated cracked solids" by R. O'Connell and B. Budiansky. J. Geophys. Res. 81, 2573-2576.
3. Davis, P., Knopoff, L., 1995. The elastic modulus of media containing strongly interacting antiplane cracks. J. Geophys. Res. 100, 18253-18258.
4. Fuji-ta, K., Ogawa, Y., Yamaguchi, S., Yaskawa, K., 1997. Magnetotelluric imaging of the SW Japan forearc - a lost paleoland revealed? Phys. Earth Planet. Inter. 102, 231-238.
5. Hirata, N., and the Urgent Observation Group for the 1995 Hyogo-Ken Nanbu earthquake, 1996. Urgent joint observation of after shocks of the 1995 Hyogo-Ken Nanbu earthquake. J. Phys. Earth 44, 317-328.
6. Holbrook, W.S., Gajewski, P., Kramer, A., Prodehl, C., 1988. An interpretation of wide-angle compressional and shear wave datain southwest Germany: Poisson ratio and petrological implications. J. Geophys. Res. 93, 12081-12106.
7. Hori, S., Inoue, H., Fukao, Y., Ukawa, M., 1985. Seismic detection of the untransformed 'basaltic' oceanic crust subducting into the mantle. Geophys. J. R. Astron. Soc. 83, 169-197.
8. Italiano, F., Martelli, M., Martinelli, G., Nuccio, P.M., 2000. Geochemical evidence of melt intrusions along lithospheric faults of the Southern Apennines, Italy: geodynamic and seismogenic implications. J. Geophys. Res. 105, 13569-13578.
9. Itoh, Y., Nagasaki, Y., 1996. Crustal shortening of southwest Japan in the Late Miocene. Isl. Arc 5, 337-353.
10. Iverson, W.P., Fahmy, B.A., Smithson, S.B., 1989. VpVs from mode converted P-SV reflections. Geophysics 54, 843-852.
11. Kamata, H., Kodama, K., 1994. Tectonics of an arc-arc junction: an example from Kyushu Island at the junction of the Southwest Japan Arc and the Ryukyu Arc. Tectonophysics 233, 69-81.
12. Kamata, H., Kodama, K., 1999. Volcanic history and tectonics of the Southwest Japan Arc. Isl. Arc 8, 393-403.
13. Karato, S., Karki, B.B., 2001. Origin of lateral variation of seismic wave velocities and density in the deep mantle. J. Geophys. Res. 106, 21771-21783.
14. Koch, M., 1992. Bootstrap inversion for vertical and lateral variations of the S wave structure and the Vp/Vs ratio from shallow earthquakes in the Rhinegraben seismic zone, Germany. Tectonophysics 210, 91-115.
15. Lees, J.M., Wu, H., 2000. Poisson ratio and porosity at Coso geothermal area, California. J. Volcanol. Geotherm. Res. 95, 157-173.
16. Mizoue, M., Nakamura, M., Seto, N., Ishiketa, Y., 1971. Crustal structure from travel times of reflected and refracted seismic waves recorded at Wakayama micro-earthquake observatory and its substations. Bull. Earthq. Res. Inst. Univ. Tokyo 49, 33-62.
17. Mizoue, M., Nakamura, M., Seto, N., Ishiketa, Y., Yokota, T., 1983. Three-layered distribution of microearthquakes in relation to focal mechanism variation in the Kii Peninsula, southwestern Honshu, Japan. Bull. Earthq. Res. Inst. Univ. Tokyo 58, 287-310.
18. Nakajima, J., Matsuzawa, T., Hasegawa, A., Zhao, D., 2001. Three dimensional tructure of Vp, Vs, and Vp/Vs beneath northeastern Japan: implications for arc magmatism and fluids. J. Geophys.Res. 106, 21843-21857.
19. Nakamura, M., 1992. History and future of earthquake monitoring in the Kii Peninsula. Bull. Earthq. Res. Inst. Univ. Tokyo 8, 41-48.
20. Obara, K., 2002. Nonvolcanic deep tremor associated with subduction in southwest Japan. Science 296, 1679-1681.
21. O'Connell, R.J., Budiansky, B., 1974. Seismic velocities in dry and saturated cracked solids. J. Geophys. Res. 79, 5412-5426.
22. Okubo, Y., 1993. Temperature gradient map of the Japanese Islands. J. Geotherm. Res. Soc. Jpn. 15, 1-21.
23. Pickett, G.R., 1963. Acoustic character logs and their application information evaluation. J. Pet. Technol. 15, 650-667.
24. Sanders, C.O., Ponko, S.C., Nixon, L.D., Schwart, E.A., 1995. Seismological evidences for magmatic and hydrothermal structure in Long Valley caldera from local earthquake attenuationand velocity tomography. J. Geophys. Res. 100, 8311-8326.
25. 4He Heratios in Japan: implications for arc tectonics and incipient magmatism. J. Geophys. Res. 90, 8729-8741.
26. 4He ratio anomalies associated with the 1984 western Nagano earthquake: possibly induced by a diapiric magma. J. Geophys. Res. 91, 12291-12295.
27. Scholz, C.H., 1990. The Mechanics of Earthquakes and Faulting. Cambridge Univ. Press, New York. 439 pp.
28. Seno, T., Zhao, D., Kobayashi, Y., Nakamura, M., 2001. Dehydration of serpentinized slab mantle: seismic evidence from southwest Japan. Earth Planets Space 53, 861-871.
29. Serrano, I., Zhao, D., Morales, J., 2002. 3-D crustal structure of the extensional Granada Basin in the convergent boundary between the Eurasian and African plates. Tectonophysics 344, 61-79.
30. Takei, Y., 2002. Effect of pore geometry on Vp/Vs: from equilibrium geometry to crack. J. Geophys. Res. 107, 10.1029/2001JB000522.
31. Tatham, R.H., 1982. Vp/Vs and lithology. Geophysics 47, 333-344.
32. Tsuboi, S., Koketsu, K., Takano, K., Miyatake, T., Abe, K., Hagiwara,Y., 1989. Hypocenter determination procedure of Japan University Network Earthquake Catalog. J. Seismol. Soc. Jpn. 42, 277-284.
33. 3He emanation and seismic swarms observed in a nonvolcanic, forearc region. J. Geophys. Res. 92, 12539-12546.
34. Watanabe, T., 1993. Effects of water and melt on seismic velocities and their application to characterization of seismic reflectors. Geophys. Res. Lett. 20, 2933-2936.
35. Wessel, P., Smith, W.H.F., 1998. New improved version of Generic Mapping Tools released. EOS Trans. Am. Geophys. Union 79, 579.
36. Yamano, M., Honda, S., Uyeda, S., 1984. Nankai Trough- as a hottrench? Mar. Geophys. Res. 6, 187-203.
37. Zhao, D., Mizuno, T., 1999. Crack density and saturation rate inthe 1995 Kobe earthquake region. Geophys. Res. Lett. 26, 3213-3216.
38. Zhao, D., Negishi, H., 1998. The 1995 Kobe earthquake: seismic image of the source zone and its implications for the rupture nucleation. J. Geophys. Res. 103, 9967-9986.
39. Zhao, D., Hasegawa, A., Horiuchi, S., 1992a. Tomographic imaging of P and S wave velocity structure beneath northeastern Japan. J. Geophys. Res. 97, 19909-19928.
40. Zhao, D., Horiuchi, S., Hasegawa, A., 1992b. Seismic velocity structure of the crust beneath the Japan Islands. Tectonophysics 212, 289-301.
41. Zhao, D., Hasegawa, A., Kanamori, H., 1994. Deep structure of Japan subduction zones as derived from local, regional and teleseismic events. J. Geophys. Res. 99, 22313-22329.
42. Zhao, D., Kanamori, H., Negishi, H., 1996. Tomography of thesource area of the 1995 Kobe earthquake: evidence for fluids at the hypocenter? Science 274, 1891-1894.
43. Zhao, D., Ochi, F., Hasegawa, A., Yamamoto, A., 2000. Evidence for the location and cause of large crustal earthquakes in Japan. J. Geophys. Res. 105, 13579-13594.
44. Zhao, D., Wang, K., Rogers, G.C., Peacock, S.M., 2001. Tomographic image of low P velocity anomalies above slab in northern Cascadia subduction zone. Earth Planets Space 53, 285-293.