连续发生的地震破裂之空间与时间分布
DISTRIBUTION IN TIME AND SPACE OF TWO SUCCESSIVE EARTHQUAKE RUPTURES
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摘要: 本文利用1981年9——10月在河北省滦县震群中发生的三次双震的近场数字记录,求出了在很短时间间隔内连续发生的二次破裂在空间上的距离之差为100m左右,并估计了这样的破裂之间的传播速度.Abstract: Three near-field double-shock records of the Luanxian earthquake swarm,Heibe province.,of September to October 1981,are used to evaluate the time interval and separation in space between the successive two ruptures. The distances between those events with magnitude 2 are about 100 meters,and the velocity of rupture propagation is also estmated.
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[4] 吴人铭、王培德、陈运泰,1989.用SH波P波振幅比确定震源参数.地震学报,11,275——281,
[5] Aki, K., 1983. Strong——motion seismology, Earzhdaake: Observation, Theory and Interpretation, 223——247, North——Holland Yubhshing Company.
[6] Masakuzu, O,1986. Fault length of small——sized earthquake as estimated from the pulse width for initial P wave. J. Phys. Earth, 34, 397——406.[1] Das. S., and Aki, K., 1977. Fault planes with banriers: A versatile earthquake modd. J. Geophys Res,82. 5658——5670.
[2] Aki, K., 1979. Characterization barriers on an darthquake fault. J. Grophys. Res,84, Bu11,6190——6148.
[3] Kanamori, H., 1981, The nature of scismicity patterns before large earthquakes, In: Smpson, D. W.,and Richards, Y. G. (Eds.), Earthguake Predntion—An International Review, 1——19. American Geophysical Union.
[4] 吴人铭、王培德、陈运泰,1989.用SH波P波振幅比确定震源参数.地震学报,11,275——281,
[5] Aki, K., 1983. Strong——motion seismology, Earzhdaake: Observation, Theory and Interpretation, 223——247, North——Holland Yubhshing Company.
[6] Masakuzu, O,1986. Fault length of small——sized earthquake as estimated from the pulse width for initial P wave. J. Phys. Earth, 34, 397——406.
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