The Sawtooth Fault is an east-dipping normal fault (vertical motion) which runs along the eastern base of the Sawtooth Mountains in the state of Idaho in the United States.
In 2010, Glenn Thackray and colleagues from Idaho State University discovered the Sawtooth Fault near the base of the mountains using LIDAR. They found that it could produce an earthquake measuring up to magnitude 7.5 and that two past large earthquakes likely took place on the fault around 7,000 and 4,000 years ago. The fault is 40 mi (64 km) long, and runs near Stanley, Idaho, and Redfish Lake. Future earthquakes could be felt as far as Boise.[1][2][3]
On March 31, 2020, the 6.5 magnitude 2020 Central Idaho earthquake struck about 16 km north-northeast of the Sawtooth Fault.[4] However, this quake is likely not on the Sawtooth Fault as it had strike-slip motion rather than up-down motion of a normal fault.[5]
^"Scientists find new seismic fault in Rocky Mountains". BBC News. May 20, 2012. Archived from the original on July 20, 2012. Retrieved November 20, 2010.
^Wall, Tim (November 19, 2010). "Large Seismic Fault Found in the Rockies". Discovery News. Archived from the original on June 22, 2013. Retrieved November 20, 2010.
^"Geosciences Professor Discovers New Fault". Idaho State University. September 27, 2010. Archived from the original on April 11, 2013. Retrieved March 9, 2013.
^"M 6.5 - 72km W of Challis, Idaho". USGS. March 31, 2020. Retrieved March 31, 2020.
^Nicole Blanchard (April 8, 2020). "A week after Idaho's earthquake, experts seek answers about historic, unexpected event". The Idaho Statesman. McClatchy.com. Retrieved April 9, 2020.
The SawtoothFault is an east-dipping normal fault (vertical motion) which runs along the eastern base of the Sawtooth Mountains in the state of Idaho...
hanging valleys, cirques, and arêtes. The SawtoothFault stretches 40 mi (64 km) long, and runs through the Sawtooth Valley, while the two past large earthquakes...
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This list covers all faults and fault-systems that are either geologically important[clarification needed] or connected to prominent seismic activity.[clarification...
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subglacial volcanoes and tuyas. The northernmost peak in the field is Sawtooth Mountain and the southernmost is Red Mountain; its highest point is Lemei...
located in Boise County, Idaho, United States. Tohobit Peak is part of the Sawtooth Range which is a subset of the Rocky Mountains. The peak ranks as the 16th-highest...
Mountains Entiat Mountains Chelan Mountains Methow Mountains (also called Sawtooth Ridge) Skagit River Group Canadian Cascades Skagit Range Hope Mountains...
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southern side of the peninsula, the most prominent being the Kigluaik (or Sawtooth) Mountains. The highest point in the range and the peninsula is the peak...
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