The collapse zone appears on a flank of the Pavonis Mons volcano.Some 530 yards (475 meters) wide, the depression could have resulted from the underground movement of molten rock.

• 这些深坑区位于帕蒙尼斯火山侧面，约530英里（475公里）宽，可能是由于地下熔岩的移动而造成的。