Lost River Fault Zone Near Borah Peak, Idaho

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DOI: 10.5069/G9222RWR
OT Collection ID: OT.052019.6341.1
OT Collection Name: Lost River Fault Zone Near Borah Peak, Idaho
Short Name: Bund_BoraPk
Collection Platform: Structure from Motion / Photogrammetry
Metadata Download:
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    Point Cloud Data       opentopoID: OTLAS.052019.6341.1

    Raster Data       opentopoID: OTSDEM.052019.6341.1
    Collection Overview: UVU logo

    The contribution comprises high-resolution topography and orthomosaics of part of the Lost River fault zone (LFRZ), Idaho, USA. The data set covers the northern ~16 km of the surface-rupture that occurred on the LRFZ in the Mw 6.9 1983 Borah Peak Earthquake. Point clouds and digital surface models (DSMs), were generated from low-altitude aerial photographs using Structure-from-Motion and multi-view stereo processing (SfM). The LRFZ is a major, range-bounding, west-dipping normal fault in the northern Basin and Range province. The Mw 6.9 1983 Borah Peak earthquake occurred on it and created surface rupture along the southern portion of the Warm Spring section and the entire Thousand Springs section of the fault (Crone et al., 1987; DuRoss et al., in press).

    The Warm Spring and Thousand Springs sections are separated by the Willow Creek Hills, which form a structural boundary. We used unoccupied aerial systems (UAS) and a tethered "helikite" balloon to acquire aerial photographs, which were combined with ground control georeferencing to create two point clouds that model the topography at high resolution (< 10 cm) along the northern ~16 km of surface rupture. One point cloud covers the southern ~9 km of the Warm Spring Section and a second point cloud covers the northern ~7 km of the Thousand Springs Section.

    DSMs were generated from the point clouds, and orthomosaics of each area were made from the aerial photographs. The primary motivation for acquisition of the data set was study of the surface offset across the Willow Creek Hills structural boundary from the 1983 earthquake and prehistoric surface-rupturing events (DuRoss et al., in press).



    Dataset Acknowledgement:
    Bunds, M.P., DuRoss, C.B., Gold, R.D., Reitman, N.G., Toke, N.A., Briggs, R.W., Personius, S.F., Johnson, K., Lajoie, L., Ungerman, B., Matheson, E., Andreini, J., Larsen, K., 2019, High Resolution Topography of the Northern 16 km of the M6.9 1983 Borah Peak Earthquake Surface Rupture on the Lost River Fault Zone, Idaho, USA, distributed by OpenTopography.

    Dataset Keywords: Borah Peak, earthquake, surface rupture, normal fault, segment boundary, structure-from-motion, UAS, high resolution topography

    Survey Date: 05/01/2015 - 05/01/2016

    Publication Date: 08/05/2019
    Data Provider and Roles:
    Collector
    Total lidar returns: 6,511,610,046 pts

    Area: 11.34 km2

    Point Density: 574.22 pts/m2

    Classifications:
        Class 0 - Created, never classified6,511,610,046

    Raster Resolution: 0.1 meter

    Orthophoto Resolution: 0.05 meter

    Coordinates System:
        Horizontal: NAD83(2011)(EPOCH:2010)/UTM Zone 12N [EPSG: 6341]
        Vertical: NAVD88 Geoid 12B [EPSG: 5703]

    Survey Report: Bund_BorahPk_metadata.docx

    LAS Validation Data Report: Bund_BoraPk.html
    Dataset Extent in KMZ format: Download

    Dataset Spatial Bounds: North: 44.3399086918293°     South: 44.2175360016614°     East: -113.908142285552°     West: -114.007472393123°