Sandwich Fault Zone
The Sandwich Fault Zone is a fault zone that runs northwest from Oswego to Ogle County, transecting Lee County in Northern Illinois. The fault has generally not been active, although a minor earthquake was reported in 2002 and 2010.[1] On July 15th 2024 at 0253hrs CST a 3.4 magnitude earthquake was recorded with an epicenter roughly 2 km North West of Somonauk, Il. It has a largely 400 to 600-foot vertical displacement, although parts can reach up to an 800-foot displacement, and is likely a configuration of several smaller faults, varying in both direction and displacement.[2][3]
See also
Notes
- ^ "No injuries, damage in 3.8-magnitude earthquake". WLS-TV. February 10, 2010. Retrieved 15 March 2010.
- ^ Morrow, William (May 2003). "When is the next earthquake in Illinois?" (PDF). Water Resources Update – Illinois District Newsletter. US Geological Survey. pp. 4–5. Archived from the original (PDF) on 2017-10-11. Retrieved 7 March 2010.
- ^ McGarry, Christopher S. (1999). Bedrock Geology of Lee County Illinois (PDF). Illinois State Geological Survey. OCLC 41366650. Retrieved 4 December 2017.
References
- Kolata, Dennis R.; Buschbach, T. C.; Treworgy, Janis D. (1978). The Sandwich Fault Zone of Northern Illinois. Vol. Information circular / Illinois State Geological Survey, [no. 505]. Urbana: Illinois State Geological Survey. hdl:10111/UIUCOCA:sandwichfaultzon505kola.
Further reading
- McMakin, Dean (September 2010). "Martha, The Ground is Shaking Again: A Chronicle of an Uncommon Rockford Event" (PDF). Nuggets of History. 48 (3). Rockford, Illinois: Rockford Historical Society.
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(crosses national borders)
- Aleutian Trench (US–RU)
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- Tintina Fault (US–CA)
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Appalachian Mountains and Atlantic Coast |
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