Research Associate Professor．Dr. Xu jointed SUSTech in 2016. He received his B.S. (2009) and Ph.D. (2015) in geophysics from the University of Science and Technology of China. Dr. Xu’s research interests include seismic wave propagation and earthquake dynamics. He has hosted three National Natural Science Fund projects and published 10+ papers in journals like GRL, GJI and others.

Education

Sep 2009 –Dec 2014 PhD in Geophysics, University of Science and Technology of China

Sep 2005 –Jun 2009 BS in Geophysics, University of Science and Technology of China

Research Experience

Dec 2016 – present  Research Assistant Professor

Department of Earth and Space Sciences, Southern University of Science and Technology, Shenzhen, China

Dec 2014 – Dec 2016  Postdoctoral Researcher

School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China

Research Projects

"Investigations on the rupture dynamics and radiations of supershear earthquake with complex tectonic environment", National Natural Science Foundation of China, 2018-2020, 240,000RMB.

"Study on dynamic source mechanism of deep earthquakes", National Natural Science Foundation of China, 2019-2022, 630,000RMB.

"Influence of fault geometry on supershear rupture and ground motion", National Natural Science Foundation of China, 2022-2025, 590,000RMB.

Research

1. Numerical simulation of earthquake rupture dynamics

2. Seismic wave propagation

3. Developing of seismic wave propagating in fluid/solid coupling model

Publications

1.  Wei, X., J., Xu, Y. Liu, and X. Chen (2021).The slow self-arresting nature of low-frequency earthquakes. Nature Communications. 12(1), 5464, doi:10.1038/s41467-021-25823-w.

2.  Wen, J. J., Xu, and X. Chen (2021). The relations between the corner frequency, seismic moment and source dynamic parameters derived from the spontaneous rupture of a circular fault.  228(1), 134-146, doi:10.1093/gji/ggab346.

3.  Sun, Y., W. Zhang, H, Ren, X., Bao, J. Xu, N., Sun, Z., Yang, and X. Chen (2021). 3D Seismic‐Wave Modeling with a Topographic Fluid–Solid Interface at the Sea Bottom by the Curvilinear‐Grid Finite‐Difference Method. Bull. Seismol. Soc. Am.. XX, 1-27, doi:10.1785/0120200363.

4.  Xu, J., Z. Zhang, and X. Chen (2021). The effects of sediments on supershear rupture. Tectonophysics. 805, 228777, doi:10.1016/j.tecto.2021.228777.

5.  Xu, J., X. Chen, P. liu, and Z. Zhang (2020). Ground motion signatures of supershear ruptures in the Burridge-Andrews and free-surface-induced mechanisms. Tectonophysics. 791, 228570, doi:10.1016/j.tecto.2020.228570.

6.  Wen, J., X. Chen, and J. Xu* (2018). A dynamic explanation for the ruptures of repeating earthquakes on the San Andreas Fault at Parkfield. Geophysical Research Letters. 45(20), 11116–11122.

7.  Liu, P., X. Chen, Z. Li, Z. Zhang, J. Xu, W. Feng, C. Wang, Z. Hu, W. Tu, and H. Li (2018). Resolving Surface Displacements in Shenzhen of China from Time Series InSAR. Remote Sensing 10(7), 1162.

8.  Sun, Y., W. Zhang, J. Xu, and X. Chen (2017). Numerical simulation of 2D seismic wave propagation in the presence of a topographic fluid-solid interface at the sea bottom by the curvilinear grid finite difference method. Geophys. J. Int. 210(3), 1721–1738.

9.  Zhang, Z., J. Xu, H. Huang, and X. Chen (2017). Seismic characteristics of supershear and sub-Rayleigh earthquakes: Implication from simple cases. Geophys. Res. Lett. 44(13), 6712–6717.

10.  Xu, J., Z. Zhang, and X. Chen (2016). The effects of barriers on supershear rupture. Geophys. Res. Lett. 43(14), 7478–7485.

11.  Hu, F., Xu, J., Zhang, Z., & Chen, X. (2016). Supershear transition mechanism induced by step over geometry. Journal of Geophysical Research: Solid Earth.

12.  Zhang, Z., J. Xu, and X. Chen (2016). The supershear effect of topography on rupture dynamics. Geophys. Res. Lett. 43(4), 1457–1463.

13.  Xu, J., H. Zhang, and X. Chen (2015). Rupture phase diagrams for a planar fault in 3-D full-space and half-space. Geophys. J. Int. 202(3), 2194–2206.

14.  Hu, F., J. Xu, Z. Zhang, W. Zhang, and X. Chen (2014). Construction of equivalent single planar fault model for strike-slip stepovers. Tectonophysics 632, 244–249.

15.  Zhang, Z., Y. Sun, J. Xu, W. Zhang, and X. Chen (2014), Preliminary simulation of strong ground motion for Ludian, Yunnan earthquake of 3 August 2014, and hazard implication, Chinese J. Geophys., 57(9), 3038–3041, doi:10.6038/cjg20140928.