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| Content Provider | Springer Nature Link |
|---|---|
| Author | Luke, Barbara Murvosh, Helena Taylor, Wanda Wagoner, Jeff |
| Copyright Year | 2009 |
| Abstract | A three-dimensional model of near-surface shear-wave velocity in the deep alluvial basin underlying the metropolitan area of Las Vegas, Nevada (USA), is being developed for earthquake site response projections. The velocity dataset, which includes 230 measurements, is interpolated across the model using depth-dependent correlations of velocity with sediment type. The sediment-type database contains more than 1 400 well and borehole logs. Sediment sequences reported in logs are assigned to one of four units. A characteristic shear-wave velocity profile is developed for each unit by analyzing closely spaced pairs of velocity profiles and well or borehole logs. The resulting velocity model exhibits reasonable values and patterns, although it does not explicitly honor the measured shear-wave velocity profiles. Site response investigations that applied a preliminary version of the velocity model support a two-zone ground-shaking hazard model for the valley. Areas in which clay predominates in the upper 30 m are predicted to have stronger ground motions than the rest of the basin. |
| Starting Page | 555 |
| Ending Page | 562 |
| Page Count | 8 |
| File Format | |
| ISSN | 1674487X |
| Journal | Journal of Earth Science |
| Volume Number | 20 |
| Issue Number | 3 |
| e-ISSN | 1867111X |
| Language | English |
| Publisher | China University of Geosciences (Wuhan) |
| Publisher Date | 2009-06-23 |
| Publisher Place | China University of Geosciences (Wuhan) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | shear-wave velocity earthquake site response site amplification microzonation sediment type Geology Geochemistry Computer Applications in Earth Sciences Biogeosciences Applied Earth Sciences Earth Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences |
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