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Fault Name | State |
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Sheep Basin fault | Nevada |
GEOMETRY | |
Dip (degrees) | 40/60/50 |
Dip direction | W |
Sense of slip | normal |
Rupture top (km) | 0 |
Rupture bottom (km) | 15 |
Rake (degrees) | -90 |
Length (km) | 22 |
MODEL VALUES | |
---|---|
Probability of activity | 1 |
Minimum magnitude | 6.5 |
Maximum magnitude | 6.65 |
b-value | 0.8 |
Assigned Dip | Fault-Parallel Slip Rate | Width | Annual Rate | a-value | Branch Weight |
---|---|---|---|---|---|
40 | 0.07 | 23.3 | 1.01e-04 | 1.077 | 0.2 |
50 | 0.06 | 19.6 | 7.14e-05 | 0.924 | 0.6 |
60 | 0.05 | 17.3 | 5.59e-05 | 0.818 | 0.2 |
Comments |
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This fault was added in 2002 based on dePolo's (1998) reevaluation of field data presented by Longwell (1930). Longwell (1930) reported the presence of a 34-m-high scarp, from which dePolo (1998) determines a preferred vertical offset of 22 m. The scarp is on a deposit assumed to be 500 ka. |