Spencer Canyon fault
The Spencer Canyon fault is an active seismic fault located in central Washington state. It was discovered in 2014 following a years-long search for the source of the 1872 North Cascades earthquake that was felt over a wide area of the Pacific Northwest.[1] In 2015, researchers reporting the discovery of the fault also located the epicenter of the 1872 event near the town of Chelan.[2]
| Spencer Canyon fault | |
|---|---|
  | |
| Etymology | Spencer Canyon (Columbia River) |
| Coordinates | 47.630°N 120.262°W |
| Country | United States |
| Region | Chelan County, Central Washington |
| State | Washington |
| Characteristics | |
| Range | North Cascades |
| Length | 55 km (34 mi) |
| Tectonics | |
| Plate | North American |
| Status | Active |
| Earthquakes | 1872 North Cascades earthquake |
| Type | Thrust fault |
References
- Sandi Doughton (November 24, 2014). "Scientists may be cracking mystery of big 1872 earthquake". The Seattle Times.
- Brian L Sherrod, Richard J Blakely and Craig S Weaver. "LIDAR Helps Identify Source of 1872 Earthquake Near Chelan, Washington", paper presented December 16, 2015 at American Geophysical Union fall meeting
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