冲绳海槽和琉球岛弧的地震活动与应力场
-
摘要: 依据1977-1991年mb5.0的地震目录和汇编的68个地震机制解, 分析了冲绳海槽和琉球岛弧的地震活动特征和应力状态, 提出了29N附近的吐噶喇海峡断裂带是一条切穿岩石圈的地震断裂带, 指出产生该断裂带南北两侧俯冲板舌内应力状态不一样的主要原因是两者俯冲深度不同所致。提出了冲绳海槽在进行NW-SE方向的扩张过程中同时伴有垂直于海槽的正断层作用。并初步提出了冲绳海槽区有两个发震层分布的可能。
-
-
[1] 金翔龙、喻普之、林美华、李常珍、王惠卿, 1983.冲绳海槽地壳结构性质之初步探讨.海洋与湖沼, 14, 2, 105——116.
[2] 刘光鼎, 1988.东海的地质与油气勘探.地球物理学报, 31, 2, 184——197.
[3] 减绍先、宁杰元、许立忠, 1989.琉球岛弧地区的地震分布、Benioff带及应力状态.地震学报, 11, 113——123.
[4] Bowin, C, and Reynolds, P. H., 1975. Radiometric ages from Ryukyu Arc region and 40Ar/39Ar age from biotite dacite on Okinawa. Earth Planet. Sci. Lett., 27, 363——370.
[5] Dziewonski, A. and Anderson, D. L., 1981. Preliminary reference earth modle. Phys. Earth Planet. Inter., 25, 297——356.
[6] Eguchi, T. and Uyeda, S. 1983. Seismotectonics of the Okinawa trough and Ryukyu arc. Menwv——of Geol. Soc. ojChina, 5, 89——210.
[7] Hay, D. E., Houtz, R., Jarrard, , R. D., Mrozowski, C. L. and Watanabe, T., 1978. A geophysical atlas of the East and Southeast Asian Seas. In; Hayes, D. E. (Editor), Crustal Structure, MC——25. Geological Society America.
[8] Huang, P. H. 1985. Deep——structure, tectonic stress field and evolution of the Okinawa trough. Syncposium, 3, 23rd IASPEI, Abstract, Vol. 1, T3——48, p.282. Tokyo, Japan.
[9] Isacks, B. and Molnar, P., 1971. Distribution of stresses in the descending lithosphere from a global survey of focal mechanism solutions of mantle earthquakes. Reu. Geophys. Space Phys. 9. 103——174.
[10] Katrumata, M. and Sykes, L., 1969. Seismicity and tectonics of the western Pacific: Izu——Mariana——Caroling and Ryukyu——Taiwan regions. J. Geophys. Res., 74, 5923——5948.
[11] Konishi, K., 1965. Geotectonic framework of the Ryukyu islands. Bull. Geol. Soc. Japan, 71, 437——457.
[12] Lee, C. S., Shor, G. G. Jr., Bibee, L. Dy., Lu, R. S. and Hilde, T. W. C., 1980. Okinawa Trough; Origin of a back——arc basin. Marine Geol., 54, 1611——1643.
[13] Seno, T., 1977. The instanteneous rotation vector of the Philippin Sea plate relative to the Eurasian plate. Tectonophysics, 42, 209——226.
[14] Shiono, K., Mikumo, T. and Ishikawa, Y., 1980. Tectonics of the Kyushu——Ryukyu arc as evidenced from seismicity and focal mechanism of shallow to inter——mediate deep earthquakes. J. Phys. Earth, 28, 17——43.
[15] Turcotte, D. L. and Schubert, G., 1982. Geodynamics, 450pp. John Wiley&Sons, New York.
[16] Watts, A. B., Bodine, J. H. and Bowin, C. O., 1978. A geophysical atlas of the east and southeast Asia seas. In: Hayes, D. E. (Editor). Free——air Gravity Field, MC——25. Geological Society of America.
[17] Wilson, J. T., 1968. Static or mobile earth; The current scientific revolution. Proc. Amen Phil. Soc., 112, p. 309.
[18] Woolard, G. P. and Strange, W. E., 1962. Gravity anomalies and crust of the earth in the Pacific Basin. Geophys. Monogr., 6, 60——80. Amer. Geophys. Union.
[19] Wu, F. T., 1970. Focal mechanism and tectonics in the vicinity of Taiwan. Bull. Seism. Soc. Amen, 60, 2045——2056.
[20] Yoshii, T., 1973. Upper mantle structure beneath the north Pacific and the marginal sea. J. Phys. Earth, 21, 313——328.[1] 金翔龙、喻普之、林美华、李常珍、王惠卿, 1983.冲绳海槽地壳结构性质之初步探讨.海洋与湖沼, 14, 2, 105——116.
[2] 刘光鼎, 1988.东海的地质与油气勘探.地球物理学报, 31, 2, 184——197.
[3] 减绍先、宁杰元、许立忠, 1989.琉球岛弧地区的地震分布、Benioff带及应力状态.地震学报, 11, 113——123.
[4] Bowin, C, and Reynolds, P. H., 1975. Radiometric ages from Ryukyu Arc region and 40Ar/39Ar age from biotite dacite on Okinawa. Earth Planet. Sci. Lett., 27, 363——370.
[5] Dziewonski, A. and Anderson, D. L., 1981. Preliminary reference earth modle. Phys. Earth Planet. Inter., 25, 297——356.
[6] Eguchi, T. and Uyeda, S. 1983. Seismotectonics of the Okinawa trough and Ryukyu arc. Menwv——of Geol. Soc. ojChina, 5, 89——210.
[7] Hay, D. E., Houtz, R., Jarrard, , R. D., Mrozowski, C. L. and Watanabe, T., 1978. A geophysical atlas of the East and Southeast Asian Seas. In; Hayes, D. E. (Editor), Crustal Structure, MC——25. Geological Society America.
[8] Huang, P. H. 1985. Deep——structure, tectonic stress field and evolution of the Okinawa trough. Syncposium, 3, 23rd IASPEI, Abstract, Vol. 1, T3——48, p.282. Tokyo, Japan.
[9] Isacks, B. and Molnar, P., 1971. Distribution of stresses in the descending lithosphere from a global survey of focal mechanism solutions of mantle earthquakes. Reu. Geophys. Space Phys. 9. 103——174.
[10] Katrumata, M. and Sykes, L., 1969. Seismicity and tectonics of the western Pacific: Izu——Mariana——Caroling and Ryukyu——Taiwan regions. J. Geophys. Res., 74, 5923——5948.
[11] Konishi, K., 1965. Geotectonic framework of the Ryukyu islands. Bull. Geol. Soc. Japan, 71, 437——457.
[12] Lee, C. S., Shor, G. G. Jr., Bibee, L. Dy., Lu, R. S. and Hilde, T. W. C., 1980. Okinawa Trough; Origin of a back——arc basin. Marine Geol., 54, 1611——1643.
[13] Seno, T., 1977. The instanteneous rotation vector of the Philippin Sea plate relative to the Eurasian plate. Tectonophysics, 42, 209——226.
[14] Shiono, K., Mikumo, T. and Ishikawa, Y., 1980. Tectonics of the Kyushu——Ryukyu arc as evidenced from seismicity and focal mechanism of shallow to inter——mediate deep earthquakes. J. Phys. Earth, 28, 17——43.
[15] Turcotte, D. L. and Schubert, G., 1982. Geodynamics, 450pp. John Wiley&Sons, New York.
[16] Watts, A. B., Bodine, J. H. and Bowin, C. O., 1978. A geophysical atlas of the east and southeast Asia seas. In: Hayes, D. E. (Editor). Free——air Gravity Field, MC——25. Geological Society of America.
[17] Wilson, J. T., 1968. Static or mobile earth; The current scientific revolution. Proc. Amen Phil. Soc., 112, p. 309.
[18] Woolard, G. P. and Strange, W. E., 1962. Gravity anomalies and crust of the earth in the Pacific Basin. Geophys. Monogr., 6, 60——80. Amer. Geophys. Union.
[19] Wu, F. T., 1970. Focal mechanism and tectonics in the vicinity of Taiwan. Bull. Seism. Soc. Amen, 60, 2045——2056.
[20] Yoshii, T., 1973. Upper mantle structure beneath the north Pacific and the marginal sea. J. Phys. Earth, 21, 313——328.
计量
- 文章访问数: 1478
- HTML全文浏览量: 25
- PDF下载量: 126
下载:
