The second site covers part of the surface rupture formed during the 1992 Landers earthquake (near Palm Springs, California, USA). Johnson and colleagues chose this site to test the capability of their workflow as part of the scientific response that immediately follows an earthquake.
At each site, they compared their SfM data to the existing laser scanner data and found that the values closely matched. Johnson and colleagues conclude that their new SfM workflow produces topography data at sufficient quality for use in earthquake research.
Rapid mapping of ultra-fine fault zone topography with structure from motion Kendra Johnson et al., Dept. of Geophysics, Colorado School of Mines, 1500 Illinois Street, Golden, Colorado 80401, USA. Posted online 29 Aug. 2014; http://dx.doi.org/10.1130/GES01017.1.
Other GEOSPHERE articles (see below) cover such topics as
1. Evidence for a marine incursion along the lower Colorado River corridor;
2. The ANDRILL McMurdo Ice Shelf (MIS) and Southern McMurdo Sound (SMS) Drilling Projects;
3. Origin and Evolution of the Colorado River System; and
4. Tectonic activity reflected in the Cook Strait submarine canyon system, New Zealand.
All GEOSPHERE articles available at http://geosphere.gsapubs.org/. Representatives of the media may obtain complimentary copies of GEOSPHERE articles by contacting Kea Giles at the address above. Please discuss articles of interest with the authors before publishing stories on their work, and please make reference to GEOSPHERE in articles published. Non-media requests for articles may be directed to GSA Sales and Service, email@example.com.
Evidence for a marine incursion along
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Geological Society of America