Exciting news! We're transitioning to the Statewide California Earthquake Center. Our new website is under construction, but we'll continue using this website for SCEC business in the meantime. We're also archiving the Southern Center site to preserve its rich history. A new and improved platform is coming soon!
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Zhongwen Zhan

California Institute of Technology
Assistant Professor of Geophysics

Expertise: Seismology
 
 
About Me Publications
Zhai, Q., Yin, J., Yang, Y., Atterholt, J. W., & Zhan, Z. (2023, 09). Comprehensive Evaluation of DAS Arrays in California: Instrument Response, Noise Level, and Amplitude Clipping. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13088
Atterholt, J. W., Zhan, Z., Yang, Y., & Zhu, W. (2023, 09). The top-to-bottom structure of the Garlock Fault Zone uncovered with fiber sensing. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13072
Williams, E. F., Heaton, T. H., Zhan, Z., & Lambert, V. R. (2022, 09). Variability in the natural frequencies of a nine-story concrete building from seconds to decades. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12402
Atterholt, J. W., Zhan, Z., & Yang, Y. (2022, 09). Imaging the Garlock Fault Zone using distributed acoustic sensing. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12369
Li, J., Kim, T., Lapusta, N., Zhan, Z., & Biondi, E. (2022, 09). The break of rupture asperities as resolved by distributed acoustic sensing. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12231
Yang, Y., Zhan, Z., Shen, Z., & Atterholt, J. W. (2022, 09). Fault zone imaging using surface wave scattering in noise interferometry. Poster Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12120
Biondi, E., Yang, Y., Fang, J., Yin, J., Zhu, W., Li, J., Williams, E. F., & Zhan, Z. (2022, 09). Challenges, opportunities, and discoveries using large-scale distributed acoustic sensing arrays. Oral Presentation at 2022 SCEC Annual Meeting. SCEC Contribution 12029
Li, J., Zhan, Z., & Wang, X. (2021, 08). Waveform-based moment tensor catalog in Southern California using 3D Community Velocity Model. Poster Presentation at 2021 SCEC Annual Meeting. SCEC Contribution 11282
Williams, E. F., Heaton, T. H., Lambert, V. R., & Zhan, Z. (2020, 08). Structural healing of Millikan Library over 20 years of continuous seismic monitoring. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10562
Yang, Y., Williams, E. F., Muir, J. B., & Zhan, Z. (2020, 08). The Potential of DAS in Seismic Hazard Analysis: A Case Study of Ridgecrest City DAS Array. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10499
Zhan, Z., Li, Z., Shen, Z., Yang, Y., Williams, E. F., Wang, X., Muir, J. B., Klesh, A., & Karrenbach, M. (2020, 08). A rapid response Distributed Acoustic Sensing (DAS) array after the 2019 Ridgecrest earthquakes. Oral Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10455
Wang, X., Cheng, Y., Zhan, Z., & Ben-Zion, Y. (2020, 08). Isotropic source components of events in the 2019 Ridgecrest earthquake sequence. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10374
Zhang, Y., Williams, E. F., Lambert, V. R., & Zhan, Z. (2019, 08). Updating the Caltech Millkan Shaker for time-lapse seismic imaging in Southern California. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9904
Lai, V., Graves, R. W., Zhan, Z., Yu, C., & Helmberger, D. V. (2019, 08). Analyzing Shallow Basin Effects in Los Angeles Basin using 3D Simulations and Dense Array Analysis. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9804
Zhan, Z., & Wang, X. (2019, 08). Automated moment tensor inversion using 3D Green’s Functions: Application to the LA basin and the 2019 Ridgecrest sequence . Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9545
Williams, E. F., Zhan, Z., Li, Z., Karrenbach, M., Coleman, T., LaFlame, L., Cole, S., & Yarsev, V. (2019, 08). Aftershocks of the Ridgecrest earthquake sequence on four dense fiber seismic arrays. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9502
Muir, J. B., & Zhan, Z. (2019, 08). Visualising the Ridgcrest Earthquakes using Wavefield Reconstruction. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9403
Williams, E. F., Zhan, Z., Karrenbach, M., Cole, S., & LaFlame, L. (2018, 08). Dense mapping of shallow velocity structure in the Raymond Basin using the Pasadena Distributed Acoustic Sensing Array. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8543
Yu, C., Hauksson, E., Zhan, Z., Cochran, E. S., & Helmberger, D. V. (2018, 08). Absolute and relative focal depth determination of moderate-sized earthquakes: An example from the 2010 El Mayor-Cucapah earthquake sequence. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8520
Lai, V., Zhan, Z., Graves, R. W., & Helmberger, D. V. (2018, 08). Long Shaking Durations within the Los Angeles Basin from Shallow Earthquakes. Poster Presentation at 2018 SCEC Annual Meeting. SCEC Contribution 8473
Zhan, Z., Yu, C., Hauksson, E., & Cochran, E. S. (2017, 08). Strong SH-to-Love Wave Scattering off the Southern California Continental Borderland. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7714
Yu, C., Hauksson, E., Zhan, Z., & Cochran, E. S. (2017, 08). Depth Distribution of the 2010 El Mayor-Cucapah Earthquake Sequence (M>=4) Determined from Regional Waveform Modeling. Poster Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7614
Li, J., Kim, T., Lapusta, N., Biondi, E., & Zhan, Z. (2023). The break of earthquake asperities imaged by distributed acoustic sensing. Nature, 620(7975), 800-806. doi: 10.1038/s41586-023-06227-w. SCEC Contribution 12737
Wang, X., Zhan, Z., Zhong, M., Persaud, P., & Clayton, R. W. (2021). Urban Basin Structure Imaging Based on Dense Arrays and Bayesian Array‐Based Coherent Receiver Functions. Journal of Geophysical Research: Solid Earth, 126(9). doi: 10.1029/2021JB022279. SCEC Contribution 11876
Cheng, Y., Wang, X., Zhan, Z., & Ben‐Zion, Y. (2021). Isotropic Source Components of Events in the 2019 Ridgecrest, California, Earthquake Sequence. Geophysical Research Letters, 48(18). doi: 10.1029/2021GL094515. SCEC Contribution 11025
Ross, Z. E., Idini, B., Jia, Z., Stephenson, O., Zhong, M., Wang, X., Zhan, Z., Simons, M., Fielding, E. J., Yun, S., Hauksson, E., Moore, A. W., Liu, Z., & Jung, J. (2019). Hierarchical interlocked orthogonal faulting in the 2019 Ridgecrest earthquake sequence. Science, 366(6463), 346-351. doi: 10.1126/science.aaz0109. SCEC Contribution 9956
Ross, Z. E., Idini, B., Jia, Z., Stephenson, O. L., Zhong, M., Wang, X., Zhan, Z., Simons, M., Fielding, E. J., Yun, S., Hauksson, E., Moore, A. W., Liu, Z., & Jung, J. (2019). Hierarchical interlocked orthogonal faulting in the 2019 Ridgecrest earthquake sequence. Science, 366(6463), 346-351. doi: 10.1126/science.aaz0109. SCEC Contribution 10124
Wang, X., & Zhan, Z. (2019). Moving from 1-D to 3-D velocity model: automated waveform-based earthquake moment tensor inversion in the Los Angeles region. Geophysical Journal International, 220(1), 218-234. doi: 10.1093/gji/ggz435. SCEC Contribution 10066
Yu, C., Zhan, Z., Hauksson, E., & Cochran, E. S. (2017). Strong SH‐to‐Love Wave Scattering off the Southern California Continental Borderland. Geophysical Research Letters, 44(20), 10,208-10,215. doi: 10.1002/2017GL075213. SCEC Contribution 7972
Zhang, Q., Lin, G., Zhan, Z., Chen, X., Qin, Y., & Wdowinski, S. (2017). Absence of remote earthquake triggering within the Coso and Salton Sea geothermal production fields. Geophysical Research Letters, 44(2), 726–733. SCEC Contribution 7271
Zhang, Q., Lin, G., Zhan, Z., Chen, X., Qin, Y., & Wdowinski, S. (2017). Absence of remote earthquake triggering within the Coso and Salton Sea geothermal production fields. Geophysical Research Letters, 44(2), 726-733. doi: 10.1002/2016GL071964. SCEC Contribution 7218
Zhan, Z., Tsai, V. C., & Clayton, R. W. (2013). Spurious velocity changes caused by temporal variations in ambient noise frequency content. Geophysical Journal International, 194(3), 1574-1581. doi: 10.1093/gji/ggt170. SCEC Contribution 1734
Tsai, V. C., & Zhan, Z. (2012, 9). When are noise correlation amplitudes useful?. Poster Presentation at SCEC Annual Meeting 2012. doi: doi:10.1029/2011JB008483. SCEC Contribution 2058
Helmberger, D. V., Zhan, Z., Helmberger, D. V., Tan, Y., & Ni, S. (2012). Locating Earthquakes with Surface Waves and Centroid Moment Tensor Estimation. Journal of Geophysical Research, 117(B4). doi: 10.1029/2011JB008501. SCEC Contribution 1623
Zhan, Z., Wei, S., Ni, S., & Helmberger, D. V. (2011). Earthquake Centroid Locations Using Calibration from Ambient Seismic Noise. Bulletin of the Seismological Society of America,. SCEC Contribution 1624

Last updated Feb 22, 2024.