ESA uses cookies to track visits to our website only, no personal information is collected.
By continuing to use the site you are agreeing to our use of cookies. OK Find out more about our cookie policy.
Date: 29 February 2004 Satellite: Mars Express Depicts: Hecates Tholus Copyright: ESA/DLR/FU Berlin, CC BY-SA IGO 3.0 Show in archive: true
The image, with north at the top, shows the summit caldera of Hecates Tholus - the largest volcano in the Elysium group. The caldera indicates several collapses have occured as the magma chamber below has emptied. Several flow features can also be seen of both water and lava origin. The volcano has a height of 5.3 km, with the caldera being 10 km wide and 600 m deep.