| Area | Azimuth of Maximum Shortening | Maximum Shortening a−1 | Minimum Shortening a−1 | Margin Orientation | Perpendicular to Margin |
| NW Olympic Peninsula | 40˚ | −1.52 × 10−7 | −9.00 × 10−9 | 330˚ | 60˚ |
| Vernonia, OR | 70˚ | −1.52 × 10−7 | −1.14 × 10−7 | 345˚ | 75˚ |
| SE Oregon | 50˚ | −9.50 × 10−8 | −5.44 × 10−8 |
|
|