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
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
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
Ma, J., Song, X., Bunge, H. P., Fichtner, A., & Tian, Y. (2025). Wholesale flat subduction of the Indian slab and northward mantle convective flow: Plateau growth and driving force of the India–Asia collision. Proceedings of the National Academy of Sciences of the United States of America, 122(7), Article e2411776122. https://doi.org/10.1073/pnas.2411776122
Masson, F., Saad, O. M., Zaher, M. A., & Song, X. (2025). Overview of the focus issue on enhancing earthquake research through geomagnetic and seismic data analysis. Earthquake Science, 38(2), 79-80. https://doi.org/10.1016/j.eqs.2025.01.001