| New Search |
| Fault Name | State |
|---|---|
| Mount Angel fault | Oregon |
| GEOMETRY | |
| Dip (degrees) | 60 |
| Dip direction | NE |
| Sense of slip | reverse |
| Rupture top (km) | 0 |
| Rupture bottom (km) | 15 |
| Rake (degrees) | 90 |
| Length (km) | 30 |
| MODEL VALUES | |
|---|---|
| Probability of activity | 1 |
| Minimum magnitude | 6.5 |
| Maximum magnitude | 6.80 |
| b-value | 0.8 |
| Assigned Dip | Fault-Parallel Slip Rate | Width | Annual Rate | a-value |
|---|---|---|---|---|
| 60 | 0.08 | 17.3 | 6.85e-05 | 0.775 |
| Comments |
|---|
| Assigned vertical slip rate from observations of Wang and Madin (2001) of 0-19 m of vertical offset of inferred late Pleistocene (~22-34 ka) Linn gravel across the fault in shallow seismic reflection profiles. |
| Selected References |
|---|
| Wang, Z., Madin, I.P., Woolery, E.E., and Graham, G.B., 2001, Shallow SH-wave seismic investigation of the Mt. Angel fault: Seismological Research Letters, v. 72, no. 2. |