The 8 January 2022, Menyuan Earthquake in Qinghai, China: A Representative Event in the Qilian-Haiyuan Fault Zone Observed Using Sentinel-1 SAR Images
Abstract
:1. Introduction
2. Tectonic Setting
3. Data and Methods
3.1. InSAR Interseismic Deformation Rates
3.2. InSAR and GNSS 3-D Deformation Rates
3.3. InSAR Coseismic Deformation
3.4. Inversion Methods for Distributed Slip along a Seismogenic Fault
4. Results
4.1. Interseismic Slip Rate Distribution along the Seismogenic Fault
4.2. Coseismic Slip Distribution along the Seismogenic Fault
5. Discussion
5.1. Comparison of Interseismic Locking and Coseismic Slip Distribution
5.2. Coulomb Stress Changes Due to the 2016 and 2022 Menyuan Earthquakes
5.3. Tectonic Implications of the 2022 Menyuan Earthquake
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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No. | Temporal Baseline (days) ΔT | Perpendicular Baseline (m) ΔB |
---|---|---|
1 | ΔT < 90 d | ΔB < 10 m |
2 | 275 d < ΔT < 455 d | ΔB < 100 m |
3 | N + 275 d < ΔT < N + 455 d * | ΔB < 200 m |
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Zhu, L.; Ji, L.; Liu, C.; Xu, J.; Liu, X.; Liu, L.; Zhao, Q. The 8 January 2022, Menyuan Earthquake in Qinghai, China: A Representative Event in the Qilian-Haiyuan Fault Zone Observed Using Sentinel-1 SAR Images. Remote Sens. 2022, 14, 6078. https://doi.org/10.3390/rs14236078
Zhu L, Ji L, Liu C, Xu J, Liu X, Liu L, Zhao Q. The 8 January 2022, Menyuan Earthquake in Qinghai, China: A Representative Event in the Qilian-Haiyuan Fault Zone Observed Using Sentinel-1 SAR Images. Remote Sensing. 2022; 14(23):6078. https://doi.org/10.3390/rs14236078
Chicago/Turabian StyleZhu, Liangyu, Lingyun Ji, Chuanjin Liu, Jing Xu, Xinkai Liu, Lei Liu, and Qiang Zhao. 2022. "The 8 January 2022, Menyuan Earthquake in Qinghai, China: A Representative Event in the Qilian-Haiyuan Fault Zone Observed Using Sentinel-1 SAR Images" Remote Sensing 14, no. 23: 6078. https://doi.org/10.3390/rs14236078