GIS Database

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Appendix A - GIS Database   |    Download All Data

Appendix - Description of the CEUS-SSC Project Database[edit]

The purpose of compiling the CEUS-SSC Project database was to organize and store those data and resources that had been carefully and thoroughly collected and described for the TI Team’s use in characterizing potential seismic sources in the CEUS. An important goal for the development of this database was to document sources and dates for all information that was initially assessed for the CEUS-SSC Project, specifying exactly what data and resources were considered, and provide for pertinent future data sets to be incorporated as they were generated for the project.

Development of the project database began at the inception of the project to provide TI Team members with a common set of data, maps, and figures for characterization of potential seismic sources. The database was continually updated during the course of the project through the addition of new references and data collected by TI Team members and project subcontractors, including information presented in project workshops and provided through PPRP review documentation.

This appendix presents the contents of the project database, as well as information on the workflow, development roles, database design considerations, data assessment tasks, and management of the database. Based on the CEUS Project Plan, the project database included, but was not limited to, the following general types of data:

  • Magnetic anomaly
  • Gravity anomaly
  • Crystalline basement geology
  • Tectonic features and tectonic/crustal domains
  • Tectonic stress field
  • Thickness of sediments
  • Crustal thickness
  • VP at top of crystalline basement
  • Seismic reflection data at Charleston, South Carolina
  • Earthquake catalog
  • Quaternary faulting and potential Quaternary features
  • Mesozoic rift basins
  • Paleoliquefaction sites
  • Topography and bathymetry
  • Liquefaction dates from published literature for the Wabash, New Madrid, and Charleston seismic zones
  • Index map showing locations of published crustal scale seismic profiles and geologic cross sections

A table describing digital data layers included in the project database is presented at the end of this appendix (Table A-1), along with metadata summary sheets for each of the CEUS-scale data layers (Sheets A-1 through A-31).

GIS Layers[edit]

Project Boundary
Earthquake Catalog
Geology
GPS
Gravity
Heat Flow
Paleoliquefaction
Magnetic Anomaly
Mesozoic Basins
PC Basement
Q Features
Sediments
Seismic
Tectonic Crustal

GIS Table[edit]

Data Theme

GIS Layer/File Name

Citation
Report Figures

CEUS Study Area

Base Data

General Bathymetric Chart of the Oceans (GEBCO) 30 arc-second topography and bathymetry for the CEUS

CEUS_elev_GEBCO_R0.tif

General Bathymetric Chart of the Oceans (GEBCO), International Hydrographic Organization (IHO), Intergovernmental Oceanographic Commission (IOC), 2009, GEBCO_08 Grid, version 20091120, http://www.gebco.net.

Figure A-1

Disclaimer: Data from the GEBCO gridded data sets are not to be used for navigation or for any other purpose relating to safety at sea. The IHO, IOC, NERC, and BODC are not able to warrant the accuracy of the data and accept no responsibility whatsoever for determining the fitness of the data for their intended use or for any consequential loss, damage or expense arising from such use. Users should be aware that most areas of the world�s oceans have not been fully surveyed and that the GEBCO bathymetry is an interpretation based on random track lines of data from many sources. The quality and coverage of data from these sources is highly variable. Information on accessing the latest versions of GEBCO data sets can be found on GEBCO website: http://www.gebco.net.

Earthquake Catalog

CEUS-SSC Earthquake Catalog Compilation. Refer to Appendix B for detailed description.

CEUS_EQ_Catalog_R0.shp

This study.

Figure A-2

Geology

Bedrock Geology and Extended Crust after Kanter (1994)

CEUS_bedrock_geol_Kanter1994_R0.shp

CEUS_ext_areas_Kanter1994_R0.shp

Kanter, L.R., 1994, Tectonic Interpretation of Stable Continental Crust: The Earthquakes of Stable Continental Regions, Volume I: Assessment of Large Earthquake Potential-Final Report TR-102261-V1, prepared for Electric Power Research Institute.

Figure A-3

Geology

Crustal Provinces after Rohs and Van Schmus (2007)

CEUS_pc_RohsVS2007_R0.shp

Rohs, C.R., and Van Schmus, V.R., 2007, Isotopic connections between basement rocks exposed in the St. Francois Mountains and the Arbuckle Mountains, southern mid-continent North America: International Journal of Earth Sciences, v. 96, pp. 599-611.

Figure A-4

Geology

Database of the Geologic Map of North America- Adapted from the Map by J.C. Reed, Jr. and Others (2005)

[[Media:Geologic_Map_of_North_America.zip|Various shapefiles exported from source USGS geodatabase]

Garrity, C.P., and Soller, D.R., 2009, Database of the Geologic Map of North America-Adapted from the Map by J.C. Reed, Jr. and Others (2005): U.S. Geological Survey Data Series 424, http://pubs.usgs.gov/ds/424/.

Figure A-5

Geology

Compilation of Geologic Cross Section Locations compiled from various DNAG plates, AAPG geologic highway maps and Texas Bureau of Economic Geology maps.

CEUS_geologic_cross_sec_loc_R0.shp

See metadata for complete citation list.

Figure A-6

Geology

Precambrian Crustal Boundary by Van Schmus et al. (1996)

CEUS_crustal_boundary_VanSchmus1996_R0.shp

Van Schmus, W.R., Bickford, M.E., and Turek, A., 1996, Proterozoic geology of the east-central mid-continent basement: in van der Pluijm, B.A., and Catacosinos, P.A. (editors), Basement and Basins of Eastern North America, Geological Society of America Special Paper 308, pp. 7-32.

Figure A-7

Geology

Precambrian Geology and Features after Reed (1993)

CEUS_pc_AnomaliesDikes_Reed1993_R0.shp

CEUS_pc_FaultsContacts_Reed1993_R0.shp

CEUS_pc_Geol_Reed1993_R0.shp

Reed, J.C., Jr., 1993, Map of the Precambrian rocks of the conterminous United States and some adjacent parts of Canada:, in Reed, J.C., Jr., Bickford, M.E., Houston, R.S., Link, P.K., Rankin, D.W., Sims, P.K., and Van Schmus, W.R., (editors), Precambrian: Conterminous U.S., Geological Society of America, The Geology of North America, v. C-2, plate 1, scale 1:5,000,000.

Figures A-8a and A-8b

Geology

Precambrian Provinces after Van Schmus (2007)

CEUS_pc_basement_VanSchmus2007_R0.shp

Van Schmus, W.R., Schneider, D.A., Holm, D.K., Dodson, S., and Nelson, B.K., 2007, New insights in the southern margin of the Archean-Proterozoic boundary in the north-central United States based on U-Pb, Sm-Nd, and Ar-Ar geochronology: Precambrian Research, v. 157, pp. 80-105.

Figure A-9

Geology

Precambrian Units after Whitmeyer and Karlstrom (2007)

[[Media:CEUS_pc_Whitmeyer2007_R0.zip|CEUS_pc_Whitmeyer2007_R0.shp]

Whitmeyer, S.J., and Karlstrom, K.E., 2007, Tectonic model for the Proterozoic growth of North America: Geosphere,,v. 3, no. 4, pp. 220-259.

Figure A-10

Geology

Surficial Materials in the Conterminous United States

Contacts.shp

State_lines.shp

Surficial_materials.shp

Soller, D.R., Reheis, M.C., Garrity, C.P., and Van Sistine, D.R., 2009, Map Database for Surficial Materials in the Conterminous United States: U.S. Geological Survey Data Series 425, scale 1:5,000,000, http://pubs.usgs.gov/ds/425/

Figure A-11

Geology

USGS Crustal Database-Seismic Properties of North America and the Surrounding Ocean Basins

CEUS_crustal_db_USGS_R0.shp

Seismic Properties of North America and the Surrounding Ocean Basins: http://earthquake.usgs.gov/research/ structure/crust/nam.php, accessed April 24, 2008.

Figures A-12 and A-13

Geology

Sediment Thickness for North America and Neighboring Regions

CEUS_sed_thickness_USGS_R0.tif

Mooney, W.D., 2011, personal communication: presented at CEUS-SSC Project Workshop #1, July 22, 2008, Palo Alto, Calif.

Figure A-14

Geology

USGS Physiographic Divisions of the Conterminous United States

States CEUS_physio_USGS_R0.shp

Fenneman, N.M., and Johnson, D.W., 1946, Physiographic Divisions of the United States, U.S. Geological Survey Water Resources Maps and GIS Data, Washington, D.C., http://water.usgs.gov/GIS/dsdl/physio.gz.

Figure A-15

Gravity

CEUS-SSC Gravity Compilation 2010

CEUS_GRAV_<varies>_CEUSSSC_R0.tif

Keller, G.R., 2010, personal communication.

Figures A-16 through A-37

Heat Flow

SMU Geothermal Laboratory Regional Heat Flow Database

CEUS_Regional_HeatFlow_SMU_R0.shp

Blackwell, D. and Richards, M., eds., 2008, SMU Geothermal Laboratory Regional Heat Flow Database, Southern Methodist University,http://smu.edu/geothermal, accessed April 9.

Figure A-38

Magnetic

Full-Spectrum Magnetic Anomaly Database for the Central and Eastern United States

CEUS_MAG_<varies>_CEUSSSC_R0.tif

Ravat, D., Finn, C., Hill, P., Kucks, R., Phillips, J., Blakely, R., Bouligand, C., Sabaka, T., Elshayat, A., Aref, A., and Elawadi, E., 2009, A Preliminary, Full Spectrum, Magnetic Anomaly Grid of the United States with Improved Long Wavelengths for Studying Continental Dynamics: A Website for Distribution of Data: U.S. Geological Survey, Open-File Report 2009-1258, 2 pp.Ravat, D., 2009, personal communication.

Figures A-39 through A-46

Paleoliquefaction

CEUS-SSC Paleoliquefaction Database

CEUS_PL_DB_CEUSSSC_R0.shp

See Appendix E for complete citation list.

Figure A-47

Seismic Imagery

CEUS Compilation of Seismic Refraction/Reflection Lines, various authors.

CEUS_SL_compilation_R0.shp

See metadata for complete citation list.

Figure A-48

Seismic Source Characterization

USGS National Seismic Hazard Maps Seismic Zones - 2008

CEUS_NSHM_2008_po_R0.shp

CEUS_NSHM_2008_pl_R0.shp Earthquake hazard probability grids

Petersen, M.D., Frankel, A.D., Harmsen, S.C., Mueller, C.S., Haller, K.M., Wheeler, R.L., Wesson, R.L., Zeng, Y., Boyd, O.S., Perkins, D.M., Luco, N., Field, E.H., Wills, C.J., and Rukstales, K.S., 2008, Documentation for the 2008 Update of the United States National Seismic Hazard Maps: U.S. Geological Survey Open-File Report 2008�1128, 61 pp.

Figures A-49 through A-61

Strain (GPS)

Calais-Deformation of the North American Plate Interior Using GPS Station Data

CEUS_GPS_NA_ITRF2000_Calais_R0.shp

Calais, E., Han, J.Y., DeMets, C., and Nocquet, J.M., 2006, Deformation of the North American Plate interior from a decade of continuous GPS measurements: Journal of Geophysical Research, v. 111, B06402, doi:10.1029/2005JB004253.

Figure A-62

Stress

World Stress Map of 2008 Updated by Owen Hurd, Stanford University

CEUS_WSM_Hurd2010_R0.shp

Heidbach, O., Tingay, M., Barth, A., Reinecker, J., Kurfess, D., and M�ller, B., 2008, The World Stress Map database release 2008, doi:10.1594/GFZ.WSM.Rel2008.Hurd, O., 2010, personal communication.

Figure A-63

Study Area

CEUS-SSC Study Area Boundary

CEUS_boundary_R0.shp

CEUS-SSC Project

Figure A-64

Tectonic Features

Faults and seismic areas associated with Quaternary seismicity, USGS Quaternary Fault and Fold Database

[[Media:CEUS_Q_faults_USGS_pl_R0.zip|CEUS_Q_faults_USGS_pl_R0.shp]

CEUS_Q_faults_USGS_po_R0.shp

Quaternary Fault and Fold Database for the United States, 2006, U.S. Geological Survey (and supporting agency if appropriate): http://earthquakes.usgs.gov/regional/qfaults/, accessed June 9, 2008.

Figure A-65

Disclaimer: The USGS Quaternary Fault and Fold Database is continually updated. Access the website for the latest information.

Tectonic Features

Data for Quaternary Faults, Liquefaction Features, and Possible Tectonic Features in the CEUS

CEUS_Q_features_USGS_(pt/pl/po)_R0.shp

Crone, A.J., and Wheeler, R.L., 2000, Data for Quaternary Faults, Liquefaction Features, and Possible Tectonic Features in the Central and Eastern United States, East of the Rocky Mountain Front: U.S. Geological Survey Open-File Report 00-0260, 342 pp.USGS Quaternary Fault and Fold Database, available online at http://earthquake.usgs.gov/hazards/qfaults/.Wheeler, R.L., 2005, Known or Suggested Quaternary Tectonic Faulting, Central and Eastern United States-New Updated Assessments for 2005: U.S. Geological Survey Open-File Report 2005 1336, 40 pp.

Figure A-66

Tectonic Features

Mesozoic Rift Basins after Benson (1992)

CEUS_basins_Benson1992_R0.shp

Benson, R.N., 1992, Map of Exposed and Buried Early Mesozoic Rift Basins/Synrift Rocks of the U.S. Middle Atlantic Continental Margin: Delaware Geological Survey Miscellaneous Map Series No. 5.

Figure A-67

Tectonic Features

Mesozoic Rift Basins after Dennis et al. (2004)

CEUS_basins_Dennis_etal_2004_R0.shp

Dennis, A.J., Shervais, J.W., Mauldin, J., Maher, H.D., Jr., and Wright, J.E., 2004, Petrology and geochemistry of Neoproterozoic volcanic arc terranes beneath the Atlantic Coastal Plain, Savannah River site, South Carolina: Geological Society of America Bulletin, v. 116, pp. 572-593.

Figure A-68

Tectonic Features

Mesozoic Rift Basins after Schlische (1993)

CEUS_basins_Schlische1993_R0.shp

Schlische, R.W., 1993, Anatomy and evolution of the Triassic-Jurassic continental rift system, eastern North America: Tectonics, v. 12, pp. 1026­1042.

Figure A-69

Tectonic Features

Mesozoic rift basins after Withjack et al. (1998)

CEUS_basins_Withjack1998F2_R0.shp

CEUS_basins_Withjack1998F7_R0.shp

Withjack, M.O., Schlische, R.W., and Olsen, P.E., 1998, Diachronous rifting, drifting, and inversion on the passive margin of central eastern North America: An analog for other passive margins: AAPG Bulletin, v. 82, pp. 817-835.

Figure A-70

Extended Continental Crust-Gulf Coast Zone

Liquefaction

Craton margin paleoseismicity, paleoliquefaction areas after Cox (2009)

ALM_Liq_Cox2009_R0.shp

Cox, R., 2009, Some Mississippi Valley Holocene Faulting and Liquefaction Beyond the New Madrid Seismic Zone: presentation given at CEUS-SSC Project Workshop #2, February 18-20, Palo Alto, Calif.

Liquefaction

Sand blow fields from aerial photo survey after Cox (2009)

ALM_Liq_sandblowfields_Cox2009_R0.shp

Cox, R., 2009, Some Mississippi Valley Holocene Faulting and Liquefaction Beyond the New Madrid Seismic Zone: presentation given at CEUS-SSC Project Workshop #2, February 18-20, Palo Alto, Calif.

Tectonic Features

Transforms and spreading ridges as shown in Thomas (2009)

ALM_F_Thomas2009_R0.shp

Thomas, W.A., 2009, Ouachita Sub-Detachment Structures: presentation given at CEUS-SSC Project Workshop #2, February 18-20, Palo Alto, Calif.

Midcontinent Zone

Tectonic Features

Polyline features from Fig. 1 of Niemi et al. (2004)

MidC_Niemi_etal_2004_R0.shp

Niemi, T.M., Ferris, A.N., and Abers, G.A., 2004, Investigation of microearthquakes, macroseismic data, and liquefaction associated with the 1867 Wamego earthquake in eastern Kansas: Bulletin of the Seismological Society of America, v. 94, no. 6, pp. 2317-2329.

New Madrid Zone

Liquefaction

Liquefaction areas in New Madrid with possible magnitude ellipses

RR_liq_field_1450_Tuttle2002_R0.shp

Tuttle, M.P., Schweig, E.S., Sims, J.D., Lafferty, R.H., Wolf, L.W., and Haynes, M.L., 2002, The earthquake potential of the New Madrid seismic zone: Bulletin of the Seismological Society of America, v. 92, no. 6, pp. 2080-2089.

Liquefaction

Tuttle et al. (2005) liquefaction > 1% sand blows

RR_liq_sand_blows_Tuttle2005_R0.shp

Tuttle, M.P., Schweig, E., III, Campbell, J., Thomas, P.M., Sims, J.D., and Lafferty, R.H., III, 2005, Evidence for New Madrid earthquakes in A.D. 300 and 2350 B.C.: Seismological Research Letters, v. 76, no. 4, pp. 489-501.

Tectonic Features

Fault lines from Fig. 3 of Csontos and Van Arsdale (2008)

RR_F_Csontos_VanArsdale2008_R0.shp

Csontos, R., and Van Arsdale, R., 2008, New Madrid seismic zone fault geometry: Geosphere, v. 4, no. 5, pp. 802-813.

Tectonic Features

Plio-Pleistocene uplifts from Fig. 4 of Csontos and Van

RR_uplifts_Csontos_VanArsdale2008_R0.shp

Csontos, R., and Van Arsdale, R., 2008, New Madrid seismic zone fault geometry: Geosphere, v. 4, no. 5, pp. 802-813.

Tectonic Features

Seismotectonic Maps in the Vicinity of New Madrid, Missouri Database<

Database Various USGS OFR 95-0574 shapefiles

Rhea, S., 1995, Seismotectonic Maps in the Vicinity of New Madrid, Missouri Database: U.S. Geological Survey Open-File Report 95�0574, 10 pp.

Charleston RLME

Geology

Approximation of the Fall Line after Hibbard (2006)

CHAR_FallLine_Hibbard_etal_2006_R0.shp

Hibbard, J.P., van Staal, C.R., Rankin, D.W., and Williams, H., 2006, Lithotectonic Map of the Appalachian Orogen, Canada-United States of America: Geological Society of Canada, map 2096A, 1:1,500,000 scale.

Liquefaction

Extent of quadrangles where river banks were investigated for liquefaction features

CHAR_Liq_InvestigatedQuadrangles_Gelinas_etal_1998 _R0.shp

Gelinas, R., Cato, K., Amick, D., and Kemppinen, H., 1998, Paleoseismic Studies in the Southeastern United States and New England: U.S. Nuclear Regulatory Commission Report, NUREG/CR-6274.

Liquefaction

Representation of northern and southern limits of historically documented small liquefaction features caused by the 1886 earthquake

CHAR_Liq_LimitsofLiquefaction_Obermeier1996_R0.shp

Obermeier, S.F., 1996, Using liquefaction-induced features for paleoseismic analysis: in McCalpin, J.P. (editor), Paleoseismology, Academic Press, ch. 7, pp. 331-396.

Magnetic

Approximation of the magnetic field gradient

CHAR_MagneticFieldGradient_Chapman_Beale2010_ R0.shp

Chapman, M.C., and Beale, J.N., 2010, On the geologic structure at the epicenter of the 1886 Charleston, South Carolina, Earthquake: Bulletin of the Seismological Society of America, v. 100, no. 3, pp. 1010-1030.

Seismic Imagery

Representation of fault locations from seismic reflection data near Charleston, SC after Chapman and Beale (2008)

[[Media:CHAR_F_SeismicReflectionPoints_Chapman_ Beale2008_R0.zip|CHAR_F_SeismicReflectionPoints_Chapman_ Beale2008_R0.shp]

Chapman, M.C., and Beale, J.N., 2008, Mesozoic and Cenozoic faulting imaged at the epicenter of the 1886 Charleston, South Carolina, earthquake: Bulletin of the Seismological Society of America, v. 98, no. 5, pp. 2533-2542.

Seismic Imagery

Representation of seismic profile stations after Chapman and Beale (2010)

CHAR_F_FaultPoints_Chapman_Beale2010_R0.shp

Chapman, M.C., and Beale, J.N., 2010, On the geologic structure at the epicenter of the 1886 Charleston, South Carolina, earthquake: Bulletin of the Seismological Society of America, v. 100, no. 3, pp. 1010-1030.

Seismicity

1886 Charleston Earthquake Epicentral Region - Obermeier (1996)

CHAR_EQ_1886EpicentralRegion_Obermeier1996_ R0.shp

Obermeier, S.F., 1996, Using liquefaction-induced features for paleoseismic analysis: in McCalpin, J.P. (editor), Paleoseismology, Academic Press, ch. 7, pp. 331-396.

Seismicity

1913 Charleston Earthquake Epicentral Region

CHAR_EQ_1913UnionCoEqRegion_Gelinas_etal_1998_ R0.shp

Gelinas, R., Cato, K., Amick, D., and Kemppinen, H., 1998, Paleoseismic Studies in the Southeastern United States and New England: U.S. Nuclear Regulatory Commission Report, NUREG/CR-6274.

Seismicity

Bowman seismic zone after Smith and Talwani (1985)

CHAR_EQ_BowmanSZ_Smith_Talwani1985_R0.shp

Smith, W.A., and Talwani, P., 1985, Preliminary interpretation of a detailed gravity survey in the Bowman and Charleston, S.C. seismogenic zones: Geological Society of America Southeastern Section, Abstracts with Programs, v. 17, no. 2, p. 137.

Seismicity

Earthquake epicenters for Charleston, SC 1974-2002, South Carolina Seismic Network

[[Media:CHAR_EQ_CharlestonEarthquakes1974-­2002_SCSN2001_R0.zip|CHAR_EQ_CharlestonEarthquakes1974-­2002_SCSN2001_R0.shp]

South Carolina Seismic Network (SCSN), Website, List of Earthquakes in Charleston Between 1974 and 2002, http://scsn.seis.sc.edu, accessed September 13, 2005.

Seismicity

Calculated Energy Center for August 31, 1886 Charleston Earthquake

CHAR_EQ_CharlestonOffshoreFeature_Bakun_Hopper2004_R0.shp

Bakun, W.H., and Hopper, M.G., 2004b, Magnitudes and locations of the 1811­1812 New Madrid, Missouri, and the 1886 Charleston, South Carolina, earthquakes: Bulletin of the Seismological Society of America, v. 94, no. 1, pp. 64-75.

Seismicity

Middleton Place Seismic Zone after Madabhushi and Talwani (1993)

CHAR_EQ_MiddletonPlaceSZ_Madabhushi_Talwani1993 _R0.shp

Madabhushi, S., and Talwani, P., 1993, Fault plane solutions and relocations of recent earthquakes in Middleton Place-Summerville seismic zone near Charleston, South Carolina: Bulletin of the Seismological Society of America, v. 83, no. 5, pp. 1442-1466.

Seismicity

Isoseismals (intensity ranges) of the 1886 Charleston earthquake after Bollinger (1977)

CHAR_Isoseismal_Bollinger1977_R0.shp

Bollinger, G.A., 1977, Reinterpretation of the Intensity Data for the 1886 Charleston, South Carolina, Earthquake, in Studies Related to the Charleston, South Carolina, Earthquake of 1886-A Preliminary Report: U.S. Geological Survey Professional Paper 1028, pp. 17-32.

Tectonic Features

Segments of the East Coast Fault System after Marple and Talwani (2000)

CHAR_F_EastcoastFaultSystem_Marple_Talwani2000_ R0.shp

Marple, R.T., and Talwani P., 2000, Evidence for a buried fault system in the Coastal Plain of the Carolinas and Virginia: Implications for neotectonics in the southeastern United States: GSA Bulletin, v. 112, no. 2, pp. 200-220.

Tectonic Features

Representation of six faults in the Charleston area after Talwani and Dura-Gomez (2009)

CHAR_F_CharlestonFaults_Talwani_DuraGomez2009_ R0.shp

Talwani, P., and Dura-Gomez, I., 2009, Finding faults in the Charleston area, South Carolina: 2. Complementary data: Seismological Research Letters, v. 80, no. 5, pp. 901-919.

Tectonic Features

Representation of three faults in the Charleston area after Talwani and Katuna (2004)

CHAR_F_CharlestonFaults_Talwani_Katuna2004_R0.shp

Talwani, P., and Katuna M., 2004, Macroseismic Effects of the 1886 Charleston Earthquake: Carolina Geological Society Field Trip Guidebook, 43 pp.

Tectonic Features

Representation of faults in the Charleston area after Weems and Lewis (2002)

CHAR_F_CharlestonFaults_Weems_Lewis2002_R0.shp

Weems, R.E., and Lewis, W.C., 2002, Structural and tectonic setting of the Charleston, South Carolina, region: Evidence from the Tertiary stratigraphic record: Geological Society of America Bulletin, v. 114, no. 1, pp. 24-42.

Tectonic Features

Representation of the postulated generalized spatial extent of the Dorchester fault after Bartholomew and Rich (2007)

[[Media:CHAR_F_Dorchesterfault_Bartholomew_Rich2007_ R0.zip|CHAR_F_Dorchesterfault_Bartholomew_Rich2007_ R0.shp]

Bartholomew, M.J., and Rich, F.J., 2007, The walls of colonial Fort Dorchester: A record of structures caused by the August 31, 1886 Charleston, South Carolina, earthquake and its subsequent earthquake history: Southeastern Geology, v. 44, no. 4, pp. 147-169.

Tectonic Features

Representation of faults offshore and onshore of Charleston, SC after Behrendt and Yuan (1987)

[[Media:CHAR_F_Offshorefaults_Behrendt_Yuan1987_R0.zip|CHAR_F_Offshorefaults_Behrendt_Yuan1987_R0.shp]

Behrendt, J.C., and Yuan, A., 1987, The Helena Banks strike-slip (?) fault zone in the Charleston, South Carolina, earthquake area: results from a marine, high-resolution, multichannel, seismicreflection survey: Geological Society of America Bulletin, v. 98, no. 5, pp. 591-601.

Tectonic Features

Charleston area zone of river anomalies after Marple and Talwani (2000)

CHAR_ZoneofRiverAnomaly_Marple_Talwani2000_R0.shp

Marple, R.T., and Talwani, P., 2000, Evidence for a buried fault system in the Coastal Plain of the Carolinas and Virginia-Implications for neotectonics in the southeastern United States: Geological Society of America Bulletin, v. 112, no. 2, pp. 200-220.

CEUS-SSC Model Results

RLME Zones

CEUS-SSC Repeated Large-Magnitude Earthquake (RLME) zones

CEUS_RLME_CEUSSSC_pl_R0.shp

CEUS_RLME_CEUSSSC_po_R0.shp

CEUS-SSC Project.

Figure A-71

Seismotectonic Zones

CEUS-SSC Mesozoic and Non-Mesozoic Zones and Seismotectonic Zones

CEUS_STZones_CEUSSSC_R0.shp

CEUS-SSC Project.

Figures A-72 through A-77