United States Geological Survey YearbookThe Survey, 1985 - Geology |
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Page 81
... Sand Blows Near Charleston , South Carolina By Stephen F. Obermeier The strongest historic earthquake in the South- eastern United States occurred in 1886 near Charleston , S.C. The magnitude of the earthquake is estimated to have been ...
... Sand Blows Near Charleston , South Carolina By Stephen F. Obermeier The strongest historic earthquake in the South- eastern United States occurred in 1886 near Charleston , S.C. The magnitude of the earthquake is estimated to have been ...
Page 82
... sand blows . Sand blows result from the liquefaction of water- saturated sediment at shallow depth ( 9-45 feet ) dur- ing earthquake shaking , followed by venting of the sediment and water to the surface . Figures 1 and 2 are ...
... sand blows . Sand blows result from the liquefaction of water- saturated sediment at shallow depth ( 9-45 feet ) dur- ing earthquake shaking , followed by venting of the sediment and water to the surface . Figures 1 and 2 are ...
Page 83
... boundary of strongest shaking during 1886 earthquake ( MMI - X ) pre - 1886 sand blows in the Western limit of 1886 craters Pre - 1886 sand blow 1886 sand blow Charleston region . Shading indicates boundary of study area . EXPLANATION. 83.
... boundary of strongest shaking during 1886 earthquake ( MMI - X ) pre - 1886 sand blows in the Western limit of 1886 craters Pre - 1886 sand blow 1886 sand blow Charleston region . Shading indicates boundary of study area . EXPLANATION. 83.
Page 84
... sand blows are present at many of the newly found sites . These sand blows occur far beyond the limits of 1886 earthquake - induced sand blows , in sediments of ap- proximately the same liquefaction suceptibility ( based on geologic age ...
... sand blows are present at many of the newly found sites . These sand blows occur far beyond the limits of 1886 earthquake - induced sand blows , in sediments of ap- proximately the same liquefaction suceptibility ( based on geologic age ...
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activities Administration Alaska aquifer system areas assessment Atlantic Coastal Plain Basin boundary Bureau California cartographic Central chemical chemical elements Chief City City of w Colorado Commission contain cooperative Coordination County cover mapping crust dams data base Denver Department of Public deposits Division earth science earthquake Energy Environmental feet fiscal year 1985 Flood Franciscan assemblage geologic mapping Geologist geophysical ground water ground-water hazards hydrologic image maps Information Systems investigations irrigation Lake land cover Landsat landslide major manganese mapping projects miles Mineral Resources mitigation National Center National Mapping North ocean Office oil and gas photographs Planning potential quadrangle Raton Basin remote sensing River rocks San Joaquin Valley sand blows sediment sedimentary seismic selenium Service slope soil sources Stop studies surface tion topographic Transportation U.S. Geological Survey United USGS Valley volcano Water Conservation District Water District water quality Water Resources water-quality Wildlife zone