Abstract
Faults near Santa Barbara, trending in two distinct directions, are characterized by steep dips, horizontal displacement parallel to the fault trace, and restricted length. The difference in direction of horizontal relief in different parts of the area establishes two fault systems. Rotational stress acting in N.NW. = S.SE. couples and enduring from late-Pliocene or post-Pliocene time to the present is inferred to be the direct cause of both systems of deformation. The faults are found to differ in essential respects from those previously described. Limitations are placed, (1) on the projection of faults horizontally or at depth, (2) on the use of the physiographic method of fault mapping, and (3) on the reference of seismic epicenters to particular faults.
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