Chris Cramer
Research Professor

Picture of Chris Cramer
Teaching:
  • Near Surface Geophysics - Spring 2018, 2020, 2022
  • Probabilities and Seismic Hazard Analysis - Spring 2013, 2015, 2017, 2019, 2021, 2023
  • Seminar in Seismology - Fall 2014
Research Goals:

My goal is to contribute to the improvement of our understanding of seismic hazard and loss in the central U.S., the nation, and the world, and to credibly communicate this understanding to earth science professionals, engineers, emergency response planners, private industry, and the general public.

Research Overview:

  • Probabilistic and Scenario Seismic Hazard and Risk Analysis
  • Earthquake Strong Ground Motion and Source, Path, and Site Effects
  • Uncertainty in Hazard and Loss Estimates
  • Magnitudes of Historic Earthquakes from Intensity Observations
  • Seismology, including Downhole Seismology
  • Tectonics
  • Earthquake Early Warning
  • Magnetotelluric Studies in the New Madrid seismic zone and Mississippi embayement
  • Coastal Plain Ground Motion Amplification in the Atlantic and Gulf Coast Regions

Current and Recent Research Projects

  • Coastal Plain Amplification in the Atlantic and Gulf Coastal Plains
  • Magnetotelluric study of the Axial Fault of the New Madrid seismic zone
  • Seismic Hazard Mapping and Earthquake Early Warning in Western Tennessee
  • Empirical Eastern North America Ground Motion Prediction Equations (GMPEs)
  • Ground Motion Intensity Modeling for the 1811-1812 New Madrid Earthquakes
  • Memphis TN, St. Louis MO, Charleston SC, and Washington DC Urban Seismic Hazard Mapping
  • Effect of the Upper Mississippi Embayment on Seismic and Liquefaction Hazard Modeling
  • CEUS ground motion database for soil and rock (various soil conditions)
  • Q boundary and regional Q, stress drop, and geometrical spreading studies in ENA, Alaska
Current and Recent Grad Students
  • Allison Shumway - Focal Mechanisms for the Northeast New Madrid Seismic Zone
  • Jerry Kutliroff - Seismic Hazard of the Middle East, Israel; B-value estimation
  • Donny Dangkua - ENA intensity vs ground motion; In Situ Soil Nonlinearity
  • Md. Nayeem Al Noman - ENA Attenuation and Regional Q; Q Tomography
  • Mahesh Dhar - Seismic response of the Kathmandu Valley, Nepal and Mississippi Embayment
  • Philip Ogweno - GMPE model bias with respect to the NGA East database, intensity to ground motion relations, earthquake early warning
  • Mostafa Mousavi - Q estimates for easternmost Canada
  • Eric Jambo - Crustal Q in Alaska
  • Shima Azizadeh-Roodpish - Seismological Statistics and b-value in Alaska
  • Md. Jabir Rahman - Ste. Genevieve, MO gravity and seismic studies for sediment thickness and seismic response
  • Roshan Bhattarai - Alaska ground motion vs. intensity correlations; liquefaction correlations with geotechnical parameters
  • Anuradha Mahanama - Alaska Lg Attenuation Tomography and Coda Q Attenuation
  • Kaushik Sarker - Magnetotelluric study of the Axial Fault of the New Madrid seismic zone
  Recent Publications

    Bwambale, B., R.D. Andrus, T. Heidari, J. Gathro, and C.H. Cramer, 2022 Influence of Source-to-Site Distance and Diagenesis on Liquefaction Triggering of 200,000-year-old Beach Sand, Engineering Geology 295, https://doi.org/10.1016/j.enggeo.2022.106557.

     

    Reichenbach, R., R. Van Arsdale, R. Cox, and C. Cramer, 2022, Geomorphology, Tree-Dimensional Geology, and Seismologic Hazards of the New Madrid Seismic Zone in Dyer County, Tennessee, Environmental and Engineering Geology 28, pp 147-171.

     

    Goulet, C.A., T. Kishida, T.D. Ancheta, C.H. Cramer, R.B. Darragh, W.J. Silva, Y.M.A. Hashash, J. Harmon, G.A. Parker, J.P. Stewart, and R.R. Youngs, 2021, PEER NGA-East Database, Earthquake Spectra 37, 1331-1353.

     

    Cramer, C.H., 2020, Updated GMICE for central and eastern North America extending to higher intensities, Seis. Res. Lett. 91, 3518-3527.

    Ogweno, L.P., M.M. Withers, and C.H. Cramer, 2019, Earthquake early warning feasibility study for the New Madrid seismic zone, Seis. Res. Lett. 90, 1377-1392.

     

    Cramer, C.H., and E. Jambo, 2019, Impact of a larger fore-arc region on earthquake ground motions in south-central Alaska including the 2018 M7.1 Anchorage inslab earthquake, Seis. Res. Lett. 91, 174-182.


    Azizzadeh-Roodpish, S., and C.H. Cramer, 2018, Visibility graph analysis of Alaska crustal and Aleutian subduction zone seismicity: an investigation of the correlation between b value and k-M slope, Pure and Applied Geophysics 175, 4241-4252.

    Cramer, C.H., M.S. Dhar, and D. Arellano, 2018, Update of the urban seismic and liquefaction hazard maps for Memphis and Shelby County, Tennessee: liquefaction probability curves and 2015 hazard maps, Seis. Res. Lett. 89, published online 3 January 2018.

    Cramer, C.H., 2017, Gulf coast regional Q and boundaries from USArray data, Bull. Seism. Soc. Am. 108, 437-449, published online 19 December 2017.

    Dhar, M.S., and C.H. Cramer, 2017, Probabilistic seismic and liquefaction hazard analysis of the Mississippi embayment incorporating nonlinear effects, Seis. Res. Lett. 89, 253-267, published online 13 December 2017.

    Cramer, C.H., 2017, Brune stress parameter estimates for the 2016 Mw 5.8 Pawnee and other Oklahoma earthquakes,
    Seis. Res. Lett. 88, 1005-1016.

    Cramer, C.H., R.A. Bauer, J. Chung, J.D. Rogers, L. Pierce, V. Voigt, B. Michell, D. Gaunt, R.A. Williams, D. Hoffman, G.L. Hempen, P.J. Steckel, O.S. Boyd, C.M. Watkins, K. Tucker, and N. McCallister, 2017, St. Louis area earthquake hazards mapping projects: seismic and liquefaction hazard maps,
    Seis. Res. Lett. 88, 206-223.


    Ogweno, L.P., and C.H. Cramer, 2017, Improved CENA regression relationships between modified Mercalli intensities and ground-motion parameters, Bull. Seism. Soc. Am. 107, in press (published online 2016/11-29).

    Cramer, C.H., and O.S. Boyd, 2014, Why the New Madrid Earthquakes are M7-8 and the Charleston Earthquake is ~M7, Bull. Seism. Soc. Am. 104, 2884-2903.

    Cramer, C.H., R.B. Van Arsdale, M.S. Dhar, D. Pryne, and J. Paul, 2014, Updating of Urban Seismic-Hazard Maps for Memphis and Shelby County, Tennessee: Geology and Vs Observations, Seism. Res. Lett. 85, 986-996.

    Ogweno, L.P., and C.H. Cramer, 2014, Comparing the CENA GMPEs using NGA-East ground motion database, Seis. Res. Lett. 85, 1377-1393.

    Dangkua, D.T., and C.H. Cramer, 2011, Felt Area versus Instrumental Ground Motion: A Difference between California and Eastern North America?, Bull. Seism. Soc. Am. 101, 1847-1858.

    Cramer, C.H., G. Rix, and K. Tucker, 2008, Probabilistic liquefaction hazard maps for Memphis, Tennessee, Seis. Res. Lett. 79, 416-423.

    Cramer, C.H., J.S. Gomberg, E.S. Schweig, B.A. Waldron, and K. Tucker, 2006, First USGS urban seismic hazard maps predict the effects of soils, Seism. Res. Lett. 77, 23-29.

    Cramer, C.H., 2006, An assessment of the impact of the EPRI (2003) ground motion prediction models on the USGS national seismic hazard maps, Bull. Seism. Soc. Am. 96, 1159-1169.

    Cramer, C.H., 2006, Quantifying the uncertainty in site amplification modeling and its effects on site-specific seismic-hazard estimation in the Mississippi embayment and adjacent areas, Bull. Seism. Soc. Am. 96, 2008-2020.

Full Curriculum Vitae
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