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Fault Name | State |
---|---|
Mill Creek Thrust fault | Washington |
GEOMETRY | |
Dip (degrees) | 60 |
Dip direction | S |
Sense of slip | reverse |
Rupture top (km) | 0 |
Rupture bottom (km) | 15 |
Rake (degrees) | 90 |
Length (km) | 56 |
MODEL VALUES | |
---|---|
Probability of activity | 1 |
Minimum magnitude | 6.5 |
Maximum magnitude | 7.11 |
b-value | 0.8 |
Assigned Dip | Fault-Parallel Slip Rate | Width | Annual Rate | a-value |
---|---|---|---|---|
60 | 0.04 | 17.3 | 2.48e-05 | 0.501 |
Comments |
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Geomatrix Consultants, Inc. (1996) cited 500 m of vertical offset of a 10.5-16.0 Ma basalt, and calculated a fault-parallel slip rate. We used their data and calculated a vertical slip rate of 0.038 mm/yr, from the average of the rates indicated by the range in age of the basalt. |