Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Earthquake Administration of Liaoning Province, Shenyang 110034, China;
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Earthquake Administration of Liaoning Province, Shenyang 110034, China;
waveform cross-correlation; repeating earthquakes; regional seismograph network; Xiuyan of Liaoning Province;