April 13, 2004
This color image (with north at the top) shows the summit caldera of Hecates Tholus, the northernmost volcano of the Elysium volcano group. The volcano reveals multiple caldera collapses. On the flanks of Hecates Tholus, several flow features related to water (lines radiating outwards) and pit chains related to lava can be observed. The volcano has an elevation of 5300 m, the caldera has a diameter of maximum 10 km and a depth of 600 m. The image centre is located at 150Â° East and 31.7Â° North. This image was taken by the Mars Express.
Topics: Disaster Accident, Environment, Hecates Tholus, Tholus, Igneous rocks, Albor Tholus, Ceraunius Tholus, Tharsis quadrangle, Caldera, Volcano