(*denote students or postdocs)
2025
52. Abercrombie, R. E., Baltay, A. S., Chu, S., Taira, T., Bindi, D., Boyd, O. S., Chen, X., Cochran, E. S., Devin, E. G., Dreger, D. S., Ellsworth, W. L., Fan, W., Harrington, R. M., Huang, Y., Kemna, K., Liu, M., Oth, A., Parker, G. A., Pennington, C. N., Picozzi, M., Ruhl, C. J., Shearer, P. M., Spallarossa, D., Trugman, D. T., Vandevert, I., Wu, Q., Yoon, C. E., & Yu, E. (2025). Overview of The SCEC/USGS Community Stress Drop Validation Study Using the 2019 Ridgecrest Earthquake Sequence. Bulletin of the Seismological Society of America, https://doi.org/10.1785/0120240158.
51. Abercrombie, R. E., X. Chen, Y. Huang, and S. Chu (2025). Comparison of EGF Methods for Ridgecrest Sequence: Can EGFs Help Resolve Ambiguity in Isolating Source Spectra? Bulletin of the Seismological Society of America. (2025) 115 (3): 1132–1148. https://doi.org/10.1785/0120240161
50. Ahmad Mohammadi*, Xiaowei Chen, Nori Nakata, Sireesh Dadi (2025). Focal Mechanism and Stress Analysis of the CAPE Site, Utah. PROCEEDINGS, 50th Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, February 10-12, 2025 SGP-TR-229. Link
49. Chen, X.,Wu, Q. & Pennington, C. N. (2025). Factors that influence variability in stress drop measurements using spectral decomposition and spectral ratio methods for the 2019 Ridgecrest earthquake sequence. Bulletin of the Seismological Society of America, link
48. Chen, X., Yin, J., Pennington, C. N., Wu, Q., & Zhan, Z. (2025). Effect of Time Window and Spectral Measurement Options on Empirical Green's Function analysis using DAS Array and Seismic Stations. Bulletin of the Seismological Society of America. Link
2024
47. Shearer, P. M., I. Vandevert, W. Fan, R. E. Abercrombie, D. Bindi, G. Calderoni, X. Chen, W. Ellsworth, R. Harrington, Y. Huang, et al. (2024). Earthquake Source Spectra Estimates Vary Widely for Two Ridgecrest Aftershocks Because of Differences in Attenuation Corrections, Bulletin of the Seismological Society of America (2025) 115 (3): 777–791. https://doi.org/10.1785/0120240134.
46. Cochran, E. S., A. Baltay, S. Chu, R. E. Abercrombie, D. Bindi, X. Chen, G. A. Parker, C. Pennington, P. M. Shearer, and D. T. Trugman (2024). SCEC/ USGS Community Stress-Drop Validation Study: How Spectral Fitting Approaches Influence Measured Source Parameters, Bulletin of the Seismological Society of America (2025) 115 (3): 760–776. https://doi.org/10.1785/0120240140
45. Ng, R.*, X., Chen, N. Nakata, and J. I. Walter, Precise relative magnitude measurement improves fracture characterization during hydraulic fracturing, Geophysical Journal International, Volume 238, Issue 2, August 2024, Pages 1040–1052, https://doi.org/10.1093/gji/ggae204
44. Jiewen Zhang, Hongfeng Yang, Jinping Zi, Jinrong Su, Xiaowei Chen. An improved estimation of stress drop and its application on induced earthquakes in the Weiyuan Shale Gas Field in China. Geophysical Journal International, Volume 236, Issue 3, March 2024, Pages 1785–1803, https://doi.org/10.1093/gji/ggae014
2023
43. Dangwal, D.*, M. Behm, X. Chen, and G. S. Soreghan (2023). Imaging an Enigmatic Paleovalley with Passive Seismic Methods (Unaweep Canyon, Colorado, United States), The Seismic Record. 3(2), 116–124, doi: 10.1785/0320220048.
42. Wang, Z.*, Behm, M., Persaud, P., Chen, X. & Carpenter, B. M. (2023) New insights on Moho depth and regional lithospheric structure of central Oklahoma based on receiver function analysis from dense seismic networks, Tectonophysics, 854, https://doi.org/10.1016/j.tecto.2023.229818
41. Chen, X. (2023) Source parameter analysis using distributed acoustic sensing – an example with the PoroTomo array, Geophysical Journal International, https://academic.oup.com/gji/article/233/3/2207/7036768
40. Pennington, C. N.*, Wu, Q.*, Chen, X., & Abercrombie, R. E., (2023). Quantifying Rupture Characteristics of Microearthquakes in the Parkfield Area Using a High-Resolution Borehole Network. Geophysics Journal International. ggad023, https://doi.org/10.1093/gji/ggad023
2022
39. Qin, Y.*, Chen, X., Chen, T., & Abercrombie, R. E. (2022) Influence of Fault Architecture on Induced Earthquake Sequence Evolution Revealed by High-resolution Focal Mechanism Solutions, https://doi.org/10.1029/2022JB025040.
38. P Ogwari, JI Walter, X Chen, A Thiel, F Ferrer, I Woelfel (2022), Distinguishing Unique Earthquakes with Overlapping Signals in Oklahoma, SRL. https://doi.org/10.1785/0220220065
37. Qin, Y.*, Chen, T., Ma, X., & Chen, X. (2022) Forecasting Induced Seismicity in Oklahoma using Machine Learning Methods, Scientific Reports. https://www.nature.com/articles/s41598-022-13435-3
36. Zhang, J*., Chen, X., & Abercrombie, R. E. (2022). Spatiotemporal variability of earthquake source parameters at Parkfield, California, and their relationship with the 2004 M6 earthquake. Journal of Geophysical Research: Solid Earth, 127, e2021JB022851. https://doi.org/10.1029/2021JB022851
35. Pennington, C*., Uchide, T., & Chen, X. (2022). Slip Characteristics of Induced Earthquakes: Insights From the 2015 Mw 4.0 Guthrie, Oklahoma Earthquake. JGR, 127, e2021JB023564. https://doi.org/10.1029/2021JB023564 EOS coverage is here.
2021
34. Abercrombie, R. E., Trugman, D. T., Shearer, P. M, Chen, X., Zhang, J.*, Pennington, C.*, Hardebeck, J. L., Goebel, T., Ruhl, C. J. (2021) Does Earthquake Stress Drop Increase with Depth in the Crust?, Journal of Geophysical Research: Solid Earth, 126, e2021JB022314. https://doi.org/10.1029/2021JB022314
33. He, L*., Wu, Q*., Chen, X., Sun, X., Guo, Z., & Chen, Y. J. (2021). Detailed 3D seismic velocity structure of the Prague, Oklahoma fault zone and the implications for induced seismicity. Geophysical Research Letters, 48, e2021GL096137. https://doi.org/10.1029/2021GL096137
32. Ortega, A.*, Walter, J. I., Chen, X. & Carpenter, B. (2021) Spatially Distinct Tectonic Zones Across Oklahoma Inferred from Shear Wave Splitting, SRL, link.
31. Ortega, A*., & Chen, X. (2021) Spatiotemporal Clustering of Seismicity during the 2018 Kilauea Volcanic Eruption, GRL, link.
30. Patel, S., Marfurt, K., Kolawole, F., Walter, J. and Chen, X., (2021) Seismic illumination of small-offset seismogenic faults, Anadarko Basin, Oklahoma, Interpretation, link.
29. Pennington, C.*, Chen, X., Abercrombie, R.E, and Wu, Q. (2021) Cross Validation of Stress Drop Estimates and Interpretations for the 2011 Prague, OK, Earthquake Sequence Using Multiple Methods, JGR, link.
2020
28. Abercrombie, R E., Chen, X. and Zhang, J*. (2020) Repeating Earthquakes with Remarkably Repeatable Ruptures on the San Andreas Fault at Parkfield, GRL, doi: 10.1029/2020GL089820, Link.
27. Deng, K., Liu, Y. and Chen, X. (2020) Correlation Between Poroelastic Stress Perturbation and Multi-disposal Wells Induced Earthquake Sequence in Cushing, Oklahoma, GRL, doi: 10.1029/2020GL089366, Link.
26. Chen, X., and Abercrombie, R. E. (2020). Improved approach for stress drop estimation and its application to an induced earthquake sequence in Oklahoma, Geophysical Journal International, Link.
2019
25. Qin, Y.*, Chen, X., Walter, J., Haffener, J., Trugman, D., Carpenter, B. M., Weingarten, M., Kolawole, F. (2019). Deciphering the stress state of seismogenic faults in Oklahoma and southern Kansas based on an improved stress map. Journal of Geophysical Research – Solid Earth. 10.1029/2019JB018377, Link.
24. Rosson, Z.*, Walter, J. I., Goebel, T., & Chen, X. (2019). Narrow spatial aftershock zones for induced earthquake sequences in Oklahoma. Geophysical Research Letters, 46, 10,358–10,366. https://doi.org/10.1029/2019GL083562, Link.
23. Zhai, G., Shirzaei, M., Manga, M., & Chen, X. (2019) Pore pressure diffusion, enhanced by poroelastic stresses, controls induced seismicity in Oklahoma, PNAS, Link.
22. Wu, Q*., Chen, X., & Abercrombie, R. E. (2019). Source complexity of the 2015 Mw 4.0 Guthrie, Oklahoma earthquake. Geophysical Research Letters, 46. https://doi.org/10.1029/ 2019GL082690, Link
2018
21. Qin, Y.*, Chen, X., Carpenter, B. M., & Kolawole, F. (2018). Coulomb stress transfer influences fault reactivation in areas of wastewater injection. Geophysical Research Letters, 45. https://doi.org/10.1029/2018GL079713. Link
20. Justin R. Sweet, Kent R. Anderson, Susan Bilek, Michael Brudzinski, Xiaowei Chen, Heather DeShon, Chris Hayward, Marianne Karplus, Katie Keranen, Charles Langston, Fan‐Chi Lin, M. Beatrice Magnani, and Robert L. Woodward (2018), A community experiment to record the full seismic wavefield in Oklahoma, Seismological Research Letters, Link
19. Haffener, J.*, Chen, X., & Murray, K. (2018). Multiscale analysis of spatiotemporal relationship between injection and seismicity in Oklahoma. Journal of Geophysical Research: Solid Earth, 123, 8711–8731. https://doi.org/10.1029/2018JB015512. Link
18. Cheng, Y.*, and Chen, X. (2018), Characteristics of seismicity inside and outside the Salton Sea Geothermal Field, BSSA, Link
17. Chen, X., Haffener, J.*, Goebel, T. H. W., Meng, X., Peng, Z., & Chang, J. C. (2018). Temporal correlation between seismic moment and injection volume for an induced earthquake sequence in central Oklahoma. Journal of Geophysical Research: Solid Earth, 123. https://doi.org/10.1002/2017JB014694. Link.
16. Wu, Q.*, M. Chapman and X. Chen (2018), Stress Drop Variations of Induced Earthquakes in Oklahoma, BSSA, Link.
15. Pei, S., Z. Peng and X. Chen (2018), Locations of injection-induced earthquakes in Oklahoma controlled by crustal structures, J. Geophys. Res., Link.
2017
14. Heather M Savage, James D Kirkpatrick, James J Mori, Emily E Brodsky, William L Ellsworth, Brett M Carpenter, Xiaowei Chen, Frédéric Cappa, Yasuyuki Kano (2017), Scientific Exploration of Induced Seismicity and Stress (SEISMS), Link.
13. Chen, X., Nakata, N., Pennington, C*., Haffener, J.*, Chang, J. C., He, X., Zhan, Z., Ni, S., & Walter, J. I. (2017), The Pawnee earthquake as a result of the interplay among injection, faults, and foreshocks, Scientific Reports, Link.
12. Goebel, T. W., M. Weingarten, X. Chen, J. Haffener* and E. Brodsky (2017), The 2016 Mw5.1 Fairview, Oklahoma earthquakes: evidence for long-range poroelastic triggering at >40 km from fluid disposal wells, Earth and Planetary Science Letters, Link.
11. Chen, X. and N. Nakata (2017), Preface to the Focus section on the 3 September 2016 Pawnee, Oklahoma Earthquake, Seismological Research Letters, doi: 10.1785/0220170078. Link
10. Pennington, C.* and X. Chen (2017), Coulomb stress interactions during the Mw5.8 Pawnee sequence, Seismological Research Letters, 88(4), doi:10.1785/0220170011. Link
9. Zhang, Q., G. Lin, Z. Zhan, X. Chen, Y. Qin*, and S. Wdowinski (2017), Absence of remote earthquake triggering within the Coso and Salton Sea geothermal production fields, Geophys. Res. Lett., 44, 726–733, doi:10.1002/2016GL071964. Link
2016
8. Chen, X., and J. J. McGuire (2016), Measuring earthquake source parameters in the Mendocino triple junction region using a dense OBS array: Implications for fault strength variations, Earth and Planetary Science Letters. Link
2015
7. Chen, X., and P. M. Shearer (2015), Analysis of foreshock sequences in California and implications for earthquake triggering, Pure and Applied Geophysics. Link
2014
6. Toomey, D.R., R.M. Allen, A.H. Barclay, S.W. Bell, P.D. Bromirski, R.L. Carlson, X. Chen, J.A. Collins, R.P. Dziak, B. Evers, D.W. Forsyth, P. Gerstoft, E.E.E. Hooft, D. Livelybrooks, J.A. Lodewyk, D.S. Luther, J.J. McGuire, S.Y. Schwartz, M. Tolstoy, A.M. Tréhu, M. Weirathmueller, and W.S.D. Wilcock. (2014). The Cascadia Initiative: A sea change in seismological studies of subduction zones. Oceanography 27(2):138–150, Link.
2013
5. Chen, X., and P. M. Shearer (2013), California foreshock sequences suggest aseismic triggering process, Geophysical Research Letters. Link.
4. Haukkson, E., J. Stock, R. Bilham, M. Boese, X. Chen, M. Boese, E. J. Fielding, J. Galetzka, K. W. Hudnut, K. Hutton, L. M. Jones, H. Kanamori, P. M. Shearer, J. Steidl, J. Treiman, S. Wei, W. Yang (2013), Report on the August 2012 Brawley earthquake swarm in Imperial Valley, Southern California, Seismological Research Letters. Link
2012
3. Chen, X., P. M. Shearer, and R. E. Abercrombie (2012), Spatial migration of earthquakes within seismic clusters in Southern California: Evidence for fluid diffusion, J. Geophys. Res., 117, B04301, doi:10.1029/2011JB008973. Link
2011
2. Chen, X., and P. M. Shearer (2011), Comprehensive analysis of earthquake source spectra and swarms in the Salton Trough, California, J. Geophys. Res., 116, doi:10.1029/2011JB008263. Link
1. Chen, X., P. M. Shearer, F. Walter, and H. A. Fricker (2011), Seventeen Antarctic seismic events detected by global surface waves and a possible link to calving events from satellite images, J. Geophys. Res., 116, doi: 10.1029/2011JB008262. Link