Reconnaissance of Two Liquefaction Sites Using Small Unmanned Aerial Vehicles and Structure from Motion Computer Vision Following the April 1, 2014 Chile Earthquake

Kevin W. Franke, 1; Kyle M. Rollins, 2; Christian Ledezma, 3; John D. Hedengren, 4; Derek Wolfe, 5; Samantha Ruggles, 6; Christopher Bender, 7; and Brandon Reimschiissel, 8.

1 Assistant Professor, Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602 (corresponding author). E-mail: Kfranke@et.byu.edu
2 Professor, Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602.
3 Assistant Professor, Pontificia Universidad Católica de Chile, Center for Integrated Natural Disaster Management CONICYT/FONDAP/15110017, Vicuna Mackenna 4860, Macul, Santiago 7820436, Chile.
4 Assistant Professor, Chemical Engineering, Brigham Young Univ., Provo, UT 84602.
5 Graduate Researcher, Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602.
6 Graduate Researcher, Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602.
7 Undergraduate Researcher, Civil and Environmental Engineering, Brigham Young Univ., Provo, UT 84602.
8 Undergraduate Researcher, Electrical and Computer Engineering, Brigham Young Univ., Provo, UT 84602.