2008 National Seismic Hazard Maps - Fault Parameters
| New Search |
| Fault Name | State |
|---|---|
| Birch Creek | California |
| MODEL VALUES | |
|---|---|
| Fault parallel slip rate | .7 |
| Probability of activity | 1 |
| ELLSWORTH | HANKS | |
|---|---|---|
| Minimum magnitude | 6.5 | NA |
| Maximum magnitude | 6.6 | 6.4 |
| FAULT GEOMETRY | |
| Dip (degrees) | 50 |
|---|---|
| Dip direction | E |
| Sense of slip | normal |
| Rupture top (km) | 0 |
| Rupture bottom (km) | 13 |
| Rake (degrees) | -90 |
| Length (km) | 15 |
| Fault Model | Deformation Model | Char Mag1 | Char Rate1 | GR-a-value1 | GR-b-value1 | Weight |
|---|---|---|---|---|---|---|
| UnStitched | 2.1 | 6.6/6.4 | 5.57E-04/ 1.11E-03 | 2.061/NA | 0.8/NA | 0.25 |
| Stitched | 2.1 | 6.6/6.4 | 5.57E-04/ 1.11E-03 | 2.061/NA | 0.8/NA | 0.25 |
| UnStitched | 2.4 | 6.6/6.4 | 5.57E-04/ 1.11E-03 | 2.061/NA | 0.8/NA | 0.25 |
| Stitched | 2.4 | 6.6/6.4 | 5.57E-04/ 1.11E-03 | 2.061/NA | 0.8/NA | 0.25 |
| 1 1st Value is based on Ellsworth relation and 2nd value is based on Hanks and Bakun relation |
| Comments |
|---|
| Slip rate based on Beanland and Clark (1994). Dip changed to 50 degrees in 2007 based on recommendation of WSSPC for basin and range faults. |

