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.
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 |
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