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Tag Archives: calderas
THEMIS: Biblis Patera
THEMIS Image of the Day, August 21, 2019. Today’s VIS image shows Biblis Patera, the summit caldera of the volcano Biblis Tholus. This volcano is located west of Pavonis Mons and is just one of the numerous volcanoes found in … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Biblis Patera, Biblis Tholus, calderas, Mars Odyssey, mass wasting, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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THEMIS: Edge of the caldera on Ascraeus Mons
THEMIS Image of the Day, July 12, 2019. Today’s VIS image is located on the summit of Ascraeus Mons, one of the three large Tharsis region volcanoes. This image clips just the edge of the large summit caldera. Explore more … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, calderas, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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THEMIS: Summit caldera of Arsia Mons
THEMIS Image of the Day, June 10, 2019. Today’s VIS image shows part of the summit caldera of Arsia Mons. Arsia Mons is the southernmost of the three large Tharsis volcanoes. Extensive lava plains originated from eruptions of this volcano. … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, lava flows, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanic vents
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HiRISE: A caldera’s steep slopes
This image shows part of the steep wall of the caldera (a large volcanic crater) at the top of Ascraeus Mons, one of Mars’ giant volcanoes. We can see chutes carved into the soft dust that has built up on … Continue reading
Posted in Reports
Tagged Ascraeus Mons, calderas, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanics
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THEMIS: Over the summit of Pavonis Mons
THEMIS Image of the Day, September 28, 2018. Today’s VIS image crosses the flanks and summit of Pavonis Mons. Calderas are down-dropped areas which collapse when lava inside the volcano withdraws, removing its support for the heavy rock layers above. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, calderas, false color, Mars Odyssey, NASA, Pavonis Mons, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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THEMIS: Ice-rich clouds over Arsia Mons’ caldera
THEMIS Image of the Day, September 19, 2018. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, atmosphere, calderas, clouds, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Volcanic vent in Arsia Mons caldera
THEMIS Image of the Day, January 5, 2018. This THEMIS image shows part of the southern margin of the summit caldera. This image contains a variety of features representing the major events related to the formation of the volcano. At … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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THEMIS: Chains of pit craters near summit of Arsia Mons volcano
THEMIS Image of the Day, January 4, 2018. The three large aligned Tharsis volcanoes are Arsia Mons, Pavonis Mons and Ascraeus Mons (from south to north). There are collapse features on all three volcanoes, on the southwestern and northeastern flanks. … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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THEMIS: Pits at caldera’s edge
THEMIS Image of the Day, January 3, 2018. This THEMIS image shows part of the caldera floor of Arsia Mons. It is not uncommon for calderas to have “flat” floors after the final explosive eruption the empties the subsurface magma … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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THEMIS: Flows on the caldera floor of Arsia Mons
THEMIS Image of the Day, January 2, 2018. This THEMIS image shows part of the caldera floor of Arsia Mons. It is not uncommon for calderas to have “flat” floors after the final explosive eruption the empties the subsurface magma … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, lava flows, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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