Research Article| November 01, 2013 Documenting Earthquake-Induced Liquefaction Using Satellite Remote Sensing Image Transformations Thomas Oommen; Thomas Oommen Department of Geological Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931 1Corresponding author: phone: 906-487-2045, fax: 906-487-3371, email: toommen@mtu.edu. Search for other works by this author on: GSW Google Scholar Laurie G. Baise; Laurie G. Baise Department of Civil and Environmental Engineering, Tufts University, Medford MA 02155 Search for other works by this author on: GSW Google Scholar Rudiger Gens; Rudiger Gens Alaska Satellite Facility, Geophysical Institute, University of Alaska–Fairbanks, Fairbanks, AK 99775 Search for other works by this author on: GSW Google Scholar Anupma Prakash; Anupma Prakash Geophysical Institute, University of Alaska–Fairbanks, Fairbanks, AK 99775 Search for other works by this author on: GSW Google Scholar Ravi P. Gupta Ravi P. Gupta Department of Earth Sciences, Indian Institute of Technology, Roorkee 247667, India Search for other works by this author on: GSW Google Scholar Environmental and Engineering Geoscience (2013) 19 (4): 303–318. https://doi.org/10.2113/gseegeosci.19.4.303 Article history first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation Thomas Oommen, Laurie G. Baise, Rudiger Gens, Anupma Prakash, Ravi P. Gupta; Documenting Earthquake-Induced Liquefaction Using Satellite Remote Sensing Image Transformations. Environmental and Engineering Geoscience 2013;; 19 (4): 303–318. doi: https://doi.org/10.2113/gseegeosci.19.4.303 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentBy SocietyEnvironmental and Engineering Geoscience Search Advanced Search Abstract Documenting earthquake-induced liquefaction effects is important to validate empirical liquefaction susceptibility models and to enhance our understanding of the liquefaction process. Currently, after an earthquake, field-based mapping of liquefaction can be sporadic and limited due to inaccessibility and lack of resources. Alternatively, researchers have used change detection with remotely sensed pre- and post-earthquake satellite images to map earthquake-induced effects. We hypothesize that as liquefaction occurs in saturated granular soils due to an increase in pore pressure, liquefaction-induced surface changes should be associated with increased moisture, and spectral bands/transformations that are sensitive to soil moisture can be used to identify these areas. We verify our hypothesis using change detection with pre- and post-earthquake thermal and tasseled cap wetness images derived from available Landsat 7 Enhanced Thematic Mapper Plus (ETM+) for the 2001 Bhuj earthquake in India. The tasseled cap wetness image is directly related to the soil moisture content, whereas the thermal image is inversely related to it. The change detection of the tasseled cap transform wetness image helped to delineate earthquake-induced liquefaction areas that corroborated well with previous studies. The extent of liquefaction varied within and between geomorphological units, which we believe can be attributed to differences in the soil moisture retention capacity within and between the geomorphological units. You do not currently have access to this article.