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Fault Rupture and Ground Deformation Features Produced by the Ridgecrest M6.4 and M7.1 Earthquake Sequence of July 4 and 5, 2019: Provisional Release 1

Dates

Publication Date
Start Date
2019-07-04
End Date
2019-12-19

Citation

Ponti, D.J., Blair, J.L., Akciz, S., Bacon, S., Bennett, S., Bork, S., Brooks, B., Bullard, T., Dawson, T., DuRoss, C., Frost, E., Gold, R., Graehl, N., Gutierrez, C., Haddon, E., Hernandez, J., Koehler, R., Kozaci, O., Leeper, R., McPhillips, D., Morelan, A., Olson, B., Philibosian, B., Pickering, A.J., Pierce, I., Scharer, K., Treiman, J., Vanderwal, J., and Williams, A., 2020, Fault rupture and ground deformation features produced by the Ridgecrest M6.4 and M7.1 earthquake sequence of July 4 and 5, 2019: Provisional release 1 in Ponti, D.J., Blair, J.L., Rosa, C.M., Thomas, K., Pickering, A.J., Dawson, T. E., compilers, 2020, Digital datasets documenting surface fault rupture and ground deformation features produced by the Ridgecrest M6.4 and M7.1 earthquake sequence of July 4 and 5, 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P9BZ5IJ9.

Summary

This item contains linework that represents fault rupture and ground deformation features interpreted from field-based maps and observations, as well as airborne imagery, lidar, and geodetic imagery products. Provisional maps of fault rupture and ground deformation are composed of a “mashup” of linework from these various sources, obtained and compiled as of December, 2019. If more than one linework representation exists for a segment of the fault rupture, linework showing the most rupture detail or best location accuracy, based on the judgment of the compiler, is preserved. On provisional maps, less than 25% of the linework is derived from high-resolution optical imagery and detailed field mapping. Because line segments from the various [...]

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KMZ_File_Surface_Rupture_Ridgecrest_Prov_Rel_1.zip 2.46 MB application/zip
Shapefile: Surface_Rupture_Ridgecrest_Prov_Rel_1.zip
Surface_Rupture_Ridgecrest_Prov_Rel_1.cpg 5 Bytes
Surface_Rupture_Ridgecrest_Prov_Rel_1.dbf 21.06 MB
Surface_Rupture_Ridgecrest_Prov_Rel_1.prj 143 Bytes
Surface_Rupture_Ridgecrest_Prov_Rel_1.qpj 257 Bytes
Surface_Rupture_Ridgecrest_Prov_Rel_1.shp 4.12 MB
Surface_Rupture_Ridgecrest_Prov_Rel_1.shx 139.1 KB

Purpose

This data product was produced in order to document and synthesize surface faulting and ground deformation features produced by the Mw 6.4 and Mw 7.1 Ridgecrest earthquake sequence of July 4 and 5, 2019. Maps of fault rupture provide insights into cross-fault interactions and how faults may, or may not, be linked. Maps detailing rupture complexity and the association of coseismic rupture with existing tectonic geomorphology provide important insights into long-term fault activity and for refining fault hazard zones. Reconnaissance teams also identified and documented localized slip on both previously mapped and unmapped faults, further highlighting other potentially active fault zones within the region. In addition to surface faulting, both earthquakes produced shaking-related ground deformation associated with liquefaction and slope failure; these features are also documented in this product.

Additional Information

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