115 ton Crater Test
U-12c.03
Boundary Fault
U-15.01
Disturbed Ground
U-16a.06
Fracture set
U-5a
Joint
U-16a
Lateral motion symbol
Many closely spaced fractures
Pre-Event Surface Fault
U-12n.23
Preshot Fault
U-12t.02
Preshot Fault (Reactivated)
Slump Cracks
U-12n.15
Vertically displaced crack
Yucca Fault
Zone of Abundant Fractures