Provided are maps with varying probabilities of exceedance available for download below. Each of these maps were produced assuming firm rock soil conditions with a shear wave velocity in the upper 30 meters of 760 m/sec.

[ PDF (2 Mb) | PNG (136 kB) ]
1Hz (1.0 Second)
10% in 50 years

[ PDF (3 Mb) | PNG (158 kB) ]
1Hz (1.0 Second)
2% in 50 years

[ PDF (3 Mb) | PNG (152 kB) ]
1Hz (1.0 Second)
5% in 50 years

[ PDF (3 Mb) | PNG (156 kB) ]
5Hz (0.2 Second)
10% in 50 years

[ PDF (3 Mb) | PNG (159 kB) ]
5Hz (0.2 Second)
2% in 50 years

[ PDF (3 Mb) | PNG (160 kB) ]
5Hz (0.2 Second)
5% in 50 years

[ PDF (2 Mb) | PNG (144 kB) ]
Peak Ground Acceleration
10% in 50 years

[ PDF (3 Mb) | PNG (160 kB) ]
Peak Ground Acceleration
2% in 50 years

[ PDF (3 Mb) | PNG (157 kB) ]
Peak Ground Acceleration
5% in 50 years