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Seismic Reflection Image along I-64

Seismic Reflection Image along I-64. Pratt et al., 1988. Coruh et al., 1988. Ground acceleration at the North Anna Power Station during the August 23 rd 2011 earthquake. Graph by Martin Chapman, Va Tech. Ground acceleration at the North Anna Power Station

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Seismic Reflection Image along I-64

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  1. Seismic Reflection Image along I-64 Pratt et al., 1988 Coruh et al., 1988

  2. Ground acceleration at the North Anna Power Station during the August 23rd 2011 earthquake Graph by Martin Chapman, Va Tech

  3. Ground acceleration at the North Anna Power Station during the August 23rd 2011 earthquake Peak ground acceleration 260 cm-2 or 0.26 g or 26% of gravity 1971 Report for VEPCO “that the maximum horizontal ground acceleration… at the site due to such a shock would be no more than 12% of gravity” Graph by Martin Chapman, Va Tech

  4. Shaking in Virginia shaking too strong for instrument 55 km from epicenter 127 km from epicenter 193 km from epicenter 231 km from epicenter time (seconds) VTSO

  5. Shaking Across USA C. Bailey & U. South Carolina

  6. Felt Shaking USGS

  7. National Earthquake Hazard Map Epicenter, August 23 Mainshock USGS

  8. Fault Motion

  9. Aftershocks at Depth slice along N120˚E R. Herrmann

  10. Louisa County VA DMME photos

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