Lithology and shear-wave velocity in Memphis, Tennessee
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Abstract
We have derived a new three-dimensional model of the lithologic structure beneath the city of Memphis, Tennessee, and examined its correlation with measured shear-wave velocity profiles. The correlation is sufficiently high that the better-constrained lithologic model may be used as a proxy for shear-wave velocities, which are required to calculate site-amplification for new seismic hazard maps for Memphis. The lithologic model and its uncertainties are derived from over 1200 newly compiled well and boring logs, some sampling to 500 m depth, and a moving-least-squares algorithm. Seventy-six new shear-wave velocity profiles have been measured and used for this study, most sampling to 30 m depth or less. All log and velocity observations are publicly available via new web sites.
Suggested Citation
Gomberg, J., Waldron, B., Schweig, E., Hwang, H., Webbers, A., Van Arsdale, R., Tucker, K., Williams, R., Street, R., Mayne, P., Stephenson, W., Odum, J., Cramer, C., Updike, R., Hutson, S., and Bradley, M., 2003, Lithology and shear-wave velocity in Memphis, Tennessee: Bulletin of the Seismological Society of America, v. 93, no. 3, p. 986-997, https://doi.org/10.1785/0120020164.
ISSN: 1943-3573 (online)
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lithology and shear-wave velocity in Memphis, Tennessee |
| Series title | Bulletin of the Seismological Society of America |
| DOI | 10.1785/0120020164 |
| Volume | 93 |
| Issue | 3 |
| Year Published | 2003 |
| Language | English |
| Publisher | Seismological Society of America |
| Description | 12 p. |
| First page | 986 |
| Last page | 997 |
| Country | United States |
| State | Tennessee |
| City | Memphis |