The Quantifying Uncertainty and Kinematics of Earth System Imager (QUAKES-I) is an airborne optical stereo-imaging system. The system is an eight-camera array mounted on a Gulfstream V aircraft and enables rapid, large-scale production of high-resolution topography for active tectonics applications.

Maturation of QUAKES-I into an end-to-end operational system has progressed with the development of workflows leveraging commercial photogrammetry software packages and in-house algorithms for data preparation and post-processing of 3D point clouds, digital elevation models (DEMs), and color orthophotographs.

Data from 2021 and 2022 flights were collected in California along the San Andreas Fault (SAF) and other elements of the plate boundary system. Initial products from the SAF creeping section yield DEMs of 1.5-1.7 meters per pixel, providing detailed visualization of fault scarps and offset stream channels. Models generated from 2021 and 2022 data show discrepancies in geolocation error, ortho-photograph color, and topographic detail.


Instrument specifics

  • Status: ACTIVE
  • Type: Stereophotogrammetric imaging, nadir

Platform(s)

  • G-V
  • B200 King Air

Campaigns flown

  • Test flights

Contact

Ryan Applegate


QUAKES-I
Down looking sensor array, positioning inside jet, and observed ground swaths. QUAKES-I sensor arrays. Down looking Nadir sensor array consists of 8 cameras mounted in a nadir port of the jet. CMOS, 35 mm sensors with 100 mm lenses. The cameras are global shutter, bayer patterned sensors with 8 and 10 bit options. Images are 5120 x 3840 pixel (20 MP)

Get Data

TBD

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Links

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Keywords

digital terrain mapping, earthquake faults