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GLG 410 Final project:

GLG 410 Final project:. VA EARTHQUAKE ANALYSIS. Introduction:. August 23 rd , 2011 a magnitude 5.8 earthquake struck in Louisa County, 5 miles SSW from Mineral, VA. Largest earthquake east of the Rocky Mountains since 1897.

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GLG 410 Final project:

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  1. GLG 410 Final project: VA EARTHQUAKE ANALYSIS

  2. Introduction: • August 23rd, 2011 a magnitude 5.8 earthquake struck in Louisa County, 5 miles SSW from Mineral, VA. • Largest earthquake east of the Rocky Mountains since 1897. • The quake was felt from South Carolina to Maine, and even closed parts of DC.

  3. Geology of Piedmont Region • The earthquake occurred in the VA seismic zone, in the Piedmont Region. • Originally formed as zone of repeated continental collision that created the Appalachian Mountains. • Numerous reverse faults formed during periods of orogeny were reactivated during Mesozoic extension.

  4. Faults • Epicenter lies between Spotsylvania fault and Chopawamsic Fault. • Earthquake shows reverse slip faulting on a north to northeast striking fault plane (~5-15km long slip)

  5. GOOGLE EARTH

  6. ARCGIS MAP

  7. MATLAB PICTURES

  8. Magnitudes-Time

  9. Magnitude Decay

  10. Hazard Map

  11. Further Research • Create more detailed KML file for GOOGLE earth. • Research future aftershocks • Plot faults on arcmap

  12. Thank You • Have a good break!

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