作者机构:[1]Institute of Geology, China Earthquake Administration, Beijing 100029, China
相关基金:Acknowledgments The study is supported by the National Natural Science Foundation of China (Grant No. 40534023) and Public Professional Program of Earthquake. We thank Dr. A. Saraev and his group members for cooperative observation at Baodi station. We appre- ciate Earthquake Administrations of Yunnan Province, Tianjin Municipality and Hebei Province and Institute of Earthquake Science of China Earthquake Administration for the measurements in Yunnan province and in capital area.