The Hayward fault - Is it due for a repeat of the powerful 1868 earthquake?

http://pubs.usgs.gov/fs/2008/3019/

Preparing for earthquakes along this important fault requires studying the history of its movement and its geology, as well as understanding how society has built the area around it.

by Brocher, Thomas M.; Boatwright, John; Lienkaemper, James J.; Prentice, Carol S.; Schwartz, David P.; and Bundock, Howard G.

U.S. Geological Survey Fact Sheet 2008-3019

This publication is available only as a PDF document.