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  2. Great Lakes tectonic zone - Wikipedia

    en.wikipedia.org/wiki/Great_Lakes_Tectonic_Zone

    The farthest west into South Dakota is 99°W, [1] which is about 55 km (34 mi) from the Minnesota – South Dakota border. This crustal boundary is the Great Lakes tectonic zone (GLTZ). This crustal boundary is the Great Lakes tectonic zone (GLTZ).

  3. Geology of South Dakota - Wikipedia

    en.wikipedia.org/wiki/Geology_of_South_Dakota

    Southwest of Lead, South Dakota, there is still an active open pit gold mine, run by Goldcorp. [9] South Dakota has oil and gas production in the Williston Basin in the northwest, although it produces only one percent of the US total, primarily from traditional vertical wells. One hundred wells produce 1.6 million gallons of oil annually.

  4. List of fault zones - Wikipedia

    en.wikipedia.org/wiki/List_of_fault_zones

    San Andreas Fault System (Banning fault, Mission Creek fault, South Pass fault, San Jacinto fault, Elsinore fault) 1300: California, United States: Dextral strike-slip: Active: 1906 San Francisco (M7.7 to 8.25), 1989 Loma Prieta (M6.9) San Ramón Fault: Chile: Thrust fault: Sawtooth Fault: Idaho, United States: Normal fault: Seattle Fault ...

  5. Geography of South Dakota - Wikipedia

    en.wikipedia.org/wiki/Geography_of_South_Dakota

    South Dakota also contains numerous state parks, all of which are managed by the South Dakota Department of Game, Fish, and Parks. Custer State Park in the Black Hills is a large state park with over 71,000 acres, and includes Sylvan Lake , Needles Highway , and a wildlife loop featuring a large bison herd and the "begging burros", [ 65 ] among ...

  6. 1975 Morris earthquake - Wikipedia

    en.wikipedia.org/wiki/1975_Morris_earthquake

    The 1975 Morris earthquake occurred in western Minnesota on July 9 at 14:54:15 UTC, or 9:54 a.m. local time. [2] The strongest instrumentally recorded rupture in the history of the state, it registered at magnitude 4.6 M n and had a maximum Mercalli intensity of VI (Strong).

  7. Which parts of Stanislaus County are most at risk for ... - AOL

    www.aol.com/news/parts-stanislaus-county-most...

    The San Joaquin and Ortigalita fault lines are part of the Great Valley thrust fault system, Philibosian said. ... (4.0)- 14 km south-southwest of Westley, at a depth of 0.1 km. 8:44 p.m. (3.6) ...

  8. A California fault line remains relatively unknown. It caused ...

    www.aol.com/california-fault-line-remains...

    The Puente Hills thrust fault is the same overall fault network that produced the Whittier Narrows – which measured a 5.9 magnitude, killed eight people and caused some $358 million in damage in ...

  9. It's rare to feel an earthquake in Michigan, but state does ...

    www.aol.com/rare-feel-earthquake-michigan-state...

    For example, a fault outside of Kalamazoo was revealed after a 4.2-magnitude earthquake in 2015 — the state's largest since a 4.6-magnitude quake along the same fault in Coldwater in 1947.