By the locating method study using the micro-seismic data of portable seismic array observation in the southeast area of Gansu province,a location approach of t-D based on global grid search is proposed.Earthquakes located by this method which do not need to set up velocity model,compared to conventional location method,their positioning are basically same in epicenter location,and have higher resolution in focal depth.
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惠少兴,张元生,李顺成. t-D地震定位方法研究[J].地震工程学报,2012,34(1):10-13. HUI?Shao-xing, ZHANG?Yuan-sheng, LI?Shun-cheng. Study on the t-D Earthquake Location Method[J]. China Earthquake Engineering Journal,2012,34(1):10-13.