Localization of inelastic strain with fault maturity and effects on earthquake characteristics

Copyright and License

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Acknowledgement

This research was supported by the NASA Earth Surface and Interior focus area and performed at the Jet Propulsion Laboratory, California Institute of Technology (grant 80NM0018D0004). We thank NASA/JPL-Caltech for providing the raw single-look complexes for the UAVSAR images (https://uavsar.jpl.nasa.gov/). We also thank the numerous colleagues who shared their field observations, slip models, remote-sensing datasets and surface mapping, including Y. Li, M. Mai, S. Barbot, W. Xu, K. Chen, D. Yuan, J. Liu-Zeng, Z. Liu, Y. Liu, Y. Klinger, C. Glennie and A. Sarmiento. We acknowledge the use of the open-source Generic Mapping Tools software for all map illustrations.

Data Availability

The surface displacement maps, fault slip, rupture traces and strain maps can be found at Zenodo at https://doi.org/10.5281/zenodo.11663566 (ref. ⁷¹). The fault slip data measured by us in this study using geodetic imaging that were used to estimate OFD are available via Zenodo at https://doi.org/10.5281/zenodo.12713891 (ref. ⁷⁹). Field observations of the fault slip and all the fault traces used are available from the UCLA Fault displacement hazard initiative (https://dataverse.ucla.edu/dataset.xhtml?persistentId=doi:10.25346/S6/Y4F9LJ)⁸⁰. Landsat and high-resolution aerial images are available from the USGS EarthExplorer (https://earthexplorer.usgs.gov/). Sentinel-1 and Sentinel-2 imagery is available at https://dataspace.copernicus.eu/browser/. Archival SPOT imagery is available at https://regards.cnes.fr/user/swh/modules/60. The raw single-look complex data acquired by the UAVSAR platform can be downloaded from NASA/JPL at https://uavsar.jpl.nasa.gov/. Source data are provided with this paper.

Code Availability

The 2D horizontal displacement maps produced using optical images were processed using COSI-Corr (http://www.tectonics.caltech.edu/slip_history/spot_coseis/download_software.html) and 3D displacement maps using COSI-Corr+ (https://github.com/SaifAati/Geospatial-COSICorr3D). The radar data were processed using ISCE2 (https://github.com/isce-framework/isce2).

Supplemental Material