2019 Ridgecrest, CA M7.1 Earthquake structure from motion data (off base)

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Dataset Information

Structure from Motion point cloud of the M 7.1 earthquake in Ridgecrest, California generation from DJI Phantom 4 drone imagery. For more details on this dataset refer to the paper:

Ian Pierce, Alana Williams, Richard D. Koehler, Colin Chupik; High‐Resolution Structure‐From‐Motion Models and Orthophotos of the Southern Sections of the 2019 Mw 7.1 and 6.4 Ridgecrest Earthquakes Surface Ruptures. Seismological Research Letters doi: https://doi.org/10.1785/0220190289


opentopoID: OTDS.022020.4326.1
DOI: https://doi.org/10.5069/G9930RBB
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud
Dataset Acknowledgement: N/A - Acknowledgement Guidance
Dataset Citation: Pierce, I., Williams, A., Koehler, R. (2020). 2019 Ridgecrest, CA M7.1 Earthquake structure from motion data (off base). Distributed by OpenTopography. https://doi.org/10.5069/G9930RBB. Accessed: 2025-01-02
Survey Date: 07/07/2019 - 09/10/2019
Survey Area: 0.49 km2
Publication Date: 03/11/2020
Number of lidar returns: 396,567 pts
Point Density: 0.81 pts/m2
Coordinates System:
Horizontal: WGS 84 [EPSG: 4326]

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Spatial Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     7.1_5_new.las     9.83 MB     396,567     487,821     0.81         File Metadata    
SpatialReference: 
COMPD_CS["unknown",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4326"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Lat/Lon/Elevation Boundary:
North-East (lat,lon,elev): [35.58649496, -117.3695942, 648.074]
South-West (lat,lon,elev): [35.57111192, -117.3893707, 577.718]

Classifications:
Class 0 (Created, never classified)396,567
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