Cerberus Fossae

Cerberus Fossae are a group of fissures or cracks in the Elysium quadrangle. They were created by faults which pulling the crust apart. These fossae are 1235 km across with a center at 11.28 °N and 166.37 °E.^[1] This region on Mars is a dark area in the Northern hemisphere. Its name comes from Greek mythology where it was known as the “hound of Hades." According to this Greek myth Cerberus was the multi-headed dog who guarded the gates of the Underworld. He stopped the dead from leaving.^[2]

Cerberus is dark area to left of center

Troughs of Cerberus Fossae that sit to the east of Albor Tholus HiRISE images only have a color strip in the center. Marquakes detected by InSight are originating in places like this.