Figure ES1.
Map of the study region showing mapped faults (bold black lines) and the location of earthquakes with magnitude greater than 3 since recording began (red dots). Existing continuous broadband stations operated by UC Berkeley (dark blue) and the U.S. Geologic Survey (light blue) are shown with circles for broadband velocity seismometers and dots for accelerometers. The fault segments identified by the Working Group on California Earthquake Probabilities (WGCEP, 2003) are shown with pink dots at the ends of segments joined by broad pink lines.