Tectonic boundary within the stable Alax block: evidence from seismicity with the dense China Array

Jiuhui Chen1, Biao Guo2, Shuncheng Li1, Xinzhong Yin1, Shaohua Qi1 and Yu Li1, (1)Institute of Geology, China Earthquake Administration, State Key Laboratory of Earthquake Dynamics, Beijing, China, (2)Institute of Geology, China Earthquake Administration, Beijing, China