Archived report (descriptions no longer maintained)
Cascadia megathrust (Class A) No. 781
Last Review Date: 2006-04-12
| County(s) and State(s) |
CLATSOP COUNTY, OREGON (offshore) COOS COUNTY, OREGON (offshore) CURRY COUNTY, OREGON (offshore) DOUGLAS COUNTY, OREGON (offshore) LANE COUNTY, OREGON (offshore) LINCOLN COUNTY, OREGON (offshore) TILLAMOOK COUNTY, OREGON (offshore) PACIFIC COUNTY, WASHINGTON (offshore) DEL NORTE COUNTY, CALIFORNIA (offshore) HUMBOLDT COUNTY, CALIFORNIA (offshore) |
| Physiographic province(s) |
PACIFIC BORDER (offshore) |
| Reliability of location |
Poor Compiled at 1:500,000 scale. |
| Length (km) | 754 km. |
| Average strike | N4°W |
| Sense of movement | Thrust |
| Dip | 9–11° E |
| Historic earthquake | |
| Most recent prehistoric deformation | latest Quaternary (<15 ka) |
| Slip-rate category | Greater than 5.0 mm/yr |
| References |
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