Paleoseismological studies in the Charleston, South Carolina Region
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Description:PDF fileMIME type:application/pdfFile Size:10.52Mb
Author
Talwani, Pradeep
University of South Carolina. Department of Geological Sciences
Subject
Paleoseismology--South Carolina--Charleston Region; Neotectonics--South Carolina--Charleston Region; Faults (Geology)--South Carolina--Charleston Region; Geological surveys--South Carolina--Charleston Region
The project was aimed at digging long, shallow trenches across anticipated near
surface manifestations of earthquake prone faults in the Charleston region with the
anticipation of studying them. Before the trench locations are decided, geophysical
surveys were carried out to determine the optimum locations for digging. In the Colonial
Fort Dorchester State Park in Summerville, S.C. a shallow trench was dug across a line
joining the crack which displaced the north and south walls of a historic fort. In this
trench a prehistoric seismically induced sand blow was discovered attesting to the
occurrence of prehistoric earthquakes on this fault.
In Magnolia Plantation, a family tomb was cracked during the 1886 Charleston
earthquake. The crack on opposite side of the tomb walls suggested that the associated
Ashley River fault trended NW-SE. This fault was detected on two suitable located
resistivity profiles, suggesting that ARF is oriented N55°W-S55°E along the Ashley
River between Magnolia Plantation and Middleton Place. The exercise also revealed that
it may be possible to detect the location of seismogenic faults by shallow geophysical
techniques.
Collections
Date
2008-10-29Metadata
Show full item recordDate Accessioned | 2022-12-02T13:22:31Z |
Date Available | 2022-12-02T13:22:31Z |
Item Format | application/pdf |
Media Type | Document |
Item Language | English |
Publisher | South Carolina State Library |
Digital Collection | South Carolina State Documents Depository |
Rights | Copyright status determined to be in the public domain on April 27, 2020 by United States Supreme Court ruling (Georgia et al., Petitioners v. Public.Resource.Org, Inc. : 590 U.S.__(2020)) |
Type | Text |
Digitization Specifications | This South Carolina State Document was either saved from a document available publicly online in PDF format or converted to PDF using Adobe Acrobat DC. |
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