Poorly constrained slip rate based on 700 m vertical offset of basement rocks. Length includes offshore faults. Source model assumes rupture along Hat Creek, McArthur, and Mayfield faults. Hat Creek flt. At least 4 surface rupturing events have occurred in the past 6 ka, suggesting a recurrence of about 1.5 ka.
Slip rate includes assummed slip from Warm Springs fault.
Slip rate base on vertical offset of Holocene alluvial fans and assumptions of fan ages based on relationship to Pleistocene Lk. Top of rupture. Bottom of rupture. This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Straigraphic Code. Any use of trade, product or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.