Hayward Fault USGS-SFSU Afterslip Site 59.09 km-Gilbert Ave. creep rate (mm/yr) move-ment (mm) std. dev. # of years year date simple average linear regression Notes: 0.0 0.2 0.000 1983.759 4-Oct-83 angle 1 0.3 0.1 0.063 1983.820 27-Oct-83 5.2 angle 1 1.0 0.1 0.468 1984.225 23-Mar-84 2.0 angle 1 1.4 0.1 0.476 1984.233 26-Mar-84 3.0 angle 1 0.3 0.2 0.487 1984.244 30-Mar-84 0.7 angle 1 0.0 0.2 0.862 1984.619 14-Aug-84 0.0 angle 1 0.5 0.3 1.322 1985.079 29-Jan-85 0.4 angle 1 1.6 0.1 1.771 1985.528 12-Jul-85 0.9 angle 1 14.9 0.1 2.710 1986.467 20-Jun-86 5.5 angle 1; 13 mm creep event 14.6 0.2 3.255 1987.012 5-Jan-87 4.5 angle 1 17.4 0.1 4.277 1988.036 13-Jan-88 4.1 angle 1; 11 mm creep event 28.7 0.1 4.809 1988.568 26-Jul-88 6.0 angle 1 28.7 0.5 6.088 1989.847 5-Nov-89 4.7 angle 2 27.5 0.2 8.869 1992.628 17-Aug-92 3.1 angle 2 30.6 0.4 9.126 1992.885 19-Nov-92 3.4 both angles 42.7 0.3 10.833 1994.592 4-Aug-94 3.9 "angle 2; 12 mm event early '93, see Rockett" 54.3 0.2 11.885 1995.644 23-Aug-95 4.6 angle 2 58.9 0.2 12.886 1996.645 23-Aug-96 4.6 angle 3 (patched using rate; centerpunched new ES.) ~66 0.1 13.885 1997.644 23-Aug-97 ÜÜ angle 3 (wrong punch on ES?) 67.4 0.4 14.920 1998.679 5-Sep-98 4.5 angle 3 76.2 0.2 15.920 1999.679 5-Sep-99 4.8 angle 3 86.6 0.1 17.085 2000.844 4-Nov-00 5.1 angle 3; 10 mm creep event 87.2 0.3 18.046 2001.805 21-Oct-01 4.8 angle 3 93.9 0.4 19.089 2002.848 6-Nov-02 4.9 "angle 3; 7 mm, begin event" 105.4 0.4 20.050 2003.809 23-Oct-03 5.3 "angle 3; 11 mm, end event" 104.9 0.3 21.052 2004.811 23-Oct-04 5.0 angle 3 ~105 0.5 22.013 2005.772 9-Oct-05 ÜÜ angle 3 (wrong punch on ES?) 116.2 0.4 23.081 2006.840 3-Nov-06 5.0 5.05±.14 angle 3; 11 mm creep event