| 抄録（英）： |
A semi-empirical method based on variable-slip rupture model proposed by Dan and Sato (1998) was applied to the 1979 Imperial Valley, California, earthquake of M■ 6.6 to synthesize the strong ground motions at 15 stations in the near field. The method took account of not only the final slips but also the maximum slip velocities of the sub-faults of the main shock. By utilizing the records of the aftershock of M■ 5.0 as Green's functions, the observed motions were simulated well at stations in the region 4 to 22 km away from the fault trace. Meanwhile, they were not simulated well at stations 1 to 3 km away, showing that the aftershock records used in this paper were not representative of the Green's functions from the sub-faults very close to these stations.
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