Spencer Canyon fault

Seismic fault in Washington state, USA
47°37′48″N 120°15′43″W / 47.630°N 120.262°W / 47.630; -120.262CountryUnited StatesRegionChelan County, Central WashingtonStateWashingtonCharacteristicsRangeNorth CascadesLength55 km (34 mi)TectonicsPlateNorth AmericanStatusActiveEarthquakes1872 North Cascades earthquakeTypeThrust 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]

References

  1. ^ Sandi Doughton (November 24, 2014). "Scientists may be cracking mystery of big 1872 earthquake". The Seattle Times.
  2. ^ 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