Surface Wave Stress Disturbance of Strong Earthquake on the 2014 Sichuan Kangding Earthquake

In the critical state before the occurrence of moderate strong earthquakes, the micro-seismicity may increase in the seismogenic fault under the stress disturbance of the large earthquake surface waves. In this paper, we conduct a systematic search of remotely dynamic triggering around the Xianshuihe fault zone that the 2014/11/22 M6.3 Kangding earthquake and its foreshock occurred in. From the statistical analysis and matched filter technique, we don’t find micro-earthquakes triggered by surface waves of the large earthquake. The results suggest that it doesn’t appear dynamic triggering phenomenon around the main shock and foreshock occurred area before the Kangding earthquake under the stress disturbance of the large earthquake surface waves. There is no evidence for strong earthquake will soon occurred in Kangding area according to micro-earthquake detection.