Contact Information
Research Interests
My research focuses on seismic wave propagation and application of seismic observations in modeling and imaging the structure and dynamics of the Earth's interior, in particular, the deep mantle and the core, and lithosphere structure and tectonics of east Asia.
Education
- Ph.D., California Institute of Technology
Courses Taught
- GEOL 452: Introduction to Geophysics
- GEOL 454: Introduction to Seismology
- GEOL 593K: Physics of Earth's Interior
Additional Campus Affiliations
Professor Emeritus, Earth Science and Environmental Change
External Links
Recent Publications
Wang, F., Zhang, X., & Song, X. (2026). Surface-Wave Tomography with Transfer Learning and Moho Constraints: Method and Application to China Mainland. Seismological Research Letters, 97(2), 1104-1122. https://doi.org/10.1785/0220240437
Wu, K., Song, X., & Yang, Y. (2026). Pattern of Inner-Core Differential Rotation From Long-Term Earthquake Sequences and USArray Network. Geophysical Research Letters, 53(1), Article e2025GL119295. https://doi.org/10.1029/2025GL119295
Yan, D., Tian, Y., Liu, C., & Song, X. (2026). Seismicity and Detailed Fault Zone Structure Beneath Haicheng Seismic Zone, NE China: Implications for the Fluid-Induced Fault Reactivation. Journal of Geophysical Research: Solid Earth, 131(3), Article e2025JB032942. https://doi.org/10.1029/2025JB032942
Li, L., Li, J., & Song, X. (2025). Depth-Dependent Stress Sensitivity and Its Influence on Temporal Variations in Low-Frequency Rayleigh-Wave Velocities. Seismological Research Letters, 96(6), 3541-3555. https://doi.org/10.1785/0220240469
Luo, H., Zhou, Y., Zhao, Z., Köküm, M., Wang, T., Yue, H., Wang, Z., Hu, N., Ghosh, A., Song, X., & Bürgmann, R. (2025). A New Fault Slip Mode Unveiled in the Regional Dynamic Triggering of the 2023 Turkey Kahramanmaraş Earthquake Sequence. AGU Advances, 6(1), Article e2024AV001457. https://doi.org/10.1029/2024AV001457