Moreover, the ridges and grooves lie over a large impact crater.
The ridge lies north of the South Indian Basin.
A few low ridges lie about the center and also to the east of the midpoint.
The ridge lies generally one to two miles (1,600 to 3,200 m) beneath the ocean's surface.
A low ridge lies between the vicarage and the sea, about a mile away at Embleton Bay.
Several small ridges lie across the interior floor.
Over yonder ridge lies a tangle of gullies and crags.
To its south lies a large ridge of rock, and beyond that lies a valley.
A double ridge lies along the center of the northwest crater floor, forming a nearly linear formation that divides the floor in half.
This ridge lies to the left of the midline.