Tag Archives: shield volcanos

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

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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

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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

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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

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THEMIS: Arsia Mons’ collapse pits

THEMIS Image of the Day, January 1, 2018. This VIS image shows part of the northeastern flank of Arsia Mons at the summit caldera. In this region the summit caldera does not have a steep margin most likely due to … Continue reading

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Olympus Mons: slumps make terraces & scarps

Scientists from the Division of Planetary Sciences and Remote Sensing in the Institute of Geological Sciences at Freie Universität Berlin have succeeded in creating a model simulating the formation of mysterious structures on the surface of the Mars volcano, Olympus … Continue reading

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MOM: Shield volcano Tharsis Tholus

MCC image, taken on September 03, 2015 at an altitude of 6144 km with a resolution of 320 m,  shows  an intermediate sized shield volcano known as Tharsis Tholus. It is located in the eastern Tharsis region of the planet … Continue reading

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