2008 National Seismic Hazard Maps-Fault parameters
Fault Name |
State |
Grass Valley fault zone |
Nevada |
GEOMETRY |
Dip (degrees) |
50/60/40 |
Dip direction |
W |
Sense of slip |
normal |
Rupture top (km) |
0 |
Rupture bottom (km) |
15
|
Rake (degrees) |
-90 |
Length (km) |
54 |
MODEL VALUES |
Probability of activity |
1 |
Minimum magnitude |
6.5 |
Maximum magnitude |
7.09 |
b-value |
0.8 |
Assigned Dip |
Fault-Parallel Slip Rate |
Width |
Annual Rate |
a-value |
Branch Weight |
40 |
0.16 |
23.3 |
1.22e-04 |
1.169 |
0.2 |
50 |
0.13 |
19.6 |
8.56e-05 |
1.017 |
0.6 |
60 |
0.12 |
17.3 |
6.70e-05 |
0.910 |
0.2 |