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Today's VIS image is located on the upper slopes of Olympus Mons. Numerous thin lava flows are visible. The small raised channel is one mode of lava emplacement where the flow builds up cooling levees along both sides of the channel. Olympus Mons is the largest volcano in the solar system, reaching heights of over 40 km (25 miles) tall from base to summit, with the base covering an area as large as the state of Arizona. For comparison, Mauna Loa is 9 km (5.5 miles) tall measured from its base on the sea floor.

Orbit Number: 87404 Latitude: 19.745 Longitude: 225.085 Instrument: VIS Captured: 2021-08-28 03:42

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.