上海地震台阵的地震定位方法

Location method of Shanghai Seismic Array

上海地震台阵数据处理软件系统的地震定位方法,采用台阵的聚束方法得到地震方位角和视慢度,根据统计得到的视慢度——震中距表推算震中距。并结合了地震台网的定位方法,由单台记录的各类主要震相从JB走时表得到震中距,然后进行地震定位。该定位方法可对近震、远震进行定位处理,并由深震相得到震源深度。

The location method of Shanghai Seismic Array data processing system is that azimuth and slowness are determined by array beam forming, and then calculated the epicenter distance using the table of statistic slowness distance, and refer epicenter distance from J B time table. The location for regional and teleseismic earthquakes can be determined by this method, and the depth by depth phase.