Fault motion sequence. 1. Rupture of the fault plane begins at the epicenter. 2. Rupture travels westward. 3. The upward sloping east side of the fault plane begins to rupture, forcing up the ... more 

Fault motion sequence. 1. Rupture of the fault plane begins at the epicenter. 2. Rupture travels westward. 3. The upward sloping east side of the fault plane begins to rupture, forcing up the seafloor. 4. The water above the seafloor is pushed less