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Two landslide deposits are located on the southern side of Columbus Crater in Terra Sirenum. Both landslides began high on the rim of the crater, marked by the location of circular indentations in the crater rim. Landslides occur when gravity overcomes the strength of the rock.

Orbit Number: 42637 Latitude: -30.4264 Longitude: 193.484 Instrument: VIS Captured: 2011-07-25 23:55

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.