1. Seismic Tomography
2. Theory and Application of Microtremor Survey

Youth Award of Chinese Geophysical Association (2001)

Current Research Projects

1. Development of the key technologies for microtremor survey in urban geological survey, the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No. KZCX2-EW-107), 2011.1-2013.12;
2. Seismic tomographic imaging of the upper-mantle structure beneath the North China Craton and its surrounding orogenic belts (the National Natural Science Foundation of China (Grants No.40874025), 2009.1-2011.12.
3. Research of the theory and application of miacrotremor survey (projects supported by large enterprise groups).

1. Tian Baoqing, Xu Peifen^*, Ling Suqun et al., 2016. Application of the initial model feature of microtremor to investigate a part of the geothermal field of Jiangsu region in China. Environmental Earth Sciences 75: 1298. doi:10.1007/s12665-016-5940-7.
2. Peifen Xu, Ruomei Sun, Futian Liu et al., Seismic tomography showing subduction and slab breakoff of the Yangtze block beneath the Dabie-Sulu orogenic belt, Chinese Science Bulletin, 2000, 45(1):70-73.
3. Peifen Xu, Futian Liu, Qingchen Wang et al., Seismic tomography beneath the Dabie-Sulu collision orogen？3-D velocity structures of lithosphere, Chinese J. Geophys., 2000, 43(3):407-415.
4. Peifen Xu, Futian Liu, Qingchen Wang et al., Triassic subducted slab under the Dabie-Sulu orogenic belt: tomographic evidence, EOS Trans., American Geophys. Union, 2000 81: F1109. 
5. Peifen Xu, Futian Liu, Qingchen Wang et al., Slab-like high velocity anomaly in the uppermost mantle beneath the Dabie-Sulu orogen, Geophysical Research Letters, 2001, 28(8):1847-1850.
6. Peifen Xu, Zhiwei Yu, Haiqiao Tan, et al., Depth solution from borehole and travel time data using 3-Variable hypersurface splines. Journal of Applied Geophysics, 2001, 46(2): 201-211.
7. Peifen Xu, Futian Liu, Kai Ye et al., Flake tectonics in the Sulu orogen in eastern China asrevealed by seismic tomography, Geophysical Research Letters, 2002, 29(10):23-1~23-4.
8. Futian Liu, Peifen Xu, Kin-Yip Chun et al., Crustal velocity structure of deep continental subduction zone？A wide angle reflection/refraction seismic study on the eastern Dabie Orogen, Chinese J. Geophys., 2003, 46(3) :366-372.
9. Yongjun Sun, Peifen Xu, Suqun Ling. Microtremor survey method and its progress. Progress in Geophys. (in Chinese), 2009, 24(1):326-334.
10. Peifen Xu and Dapeng Zhao, Upper-mantle velocity structure beneath the North China Craton: implications for lithospheric thinning. Geophys. J. Int., 2009, 177:1279-1283.
11. Peifen Xu, Li Chuanjin, Ling Suqun, et al., Mapping collapsed columns in coal mines utilizing Microtremor Survey Methods. Chinese J. Geophys.，2009, 52(7):1923-1930.
12. Chuanjin Li, Peifen Xu, Yongjun Sun, et al., The Jinzhong transition belt and its geological significance by receiver function in Shanxi region, Chinese J. Geophys., 2010, 53(5):1143-1148.
13. Peifen Xu, Suqun Ling, Dengming Zhang et al., Geothermal Exploration and Exploitation Using Microtremor Survey Method. Expanded Abstracts of 80th Annual International Meeting, SEG, Denver, 2010, 1830-1834.
14. Ding Lifeng, Xu Peifen, Ling Suqun et al., Microtremor survey method applied to detect igneous magma intrusion in Linnancang Mine, Coal Science and Technology, 2010, 38(7):100-103.