Surface-wave site characterization at 52 strong-motion recording stations affected by the Parkfield, California, M6.0 earthquake of 28 September 2004
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Abstract
We present one-dimensional shear-wave velocity (VS) profiles at 52 strong-motion sites that recorded the 28 September 2004 Magnitude 6.0 Parkfield, Calif., earthquake. We estimate the VS profiles with the Spectral Analysis of Surface-Waves (SASW) method. The SASW method is a noninvasive method that indirectly estimates the VS at depth from variations in the Rayleigh wave phase velocity at the surface. To address the uncertainty associated with these measurements, we compare the SASW profiles to surface-source downhole-receiver (SSDR) profiles at four sites. Three of the four SSDR sites are in close agreement with the adjacent SASW site, while the SASW profile is considerably slower than the SSDR profile at one site.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Surface-wave site characterization at 52 strong-motion recording stations affected by the Parkfield, California, M6.0 earthquake of 28 September 2004 |
Series title | Open-File Report |
Series number | 2010-1168 |
DOI | 10.3133/ofr20101168 |
Edition | - |
Year Published | 2010 |
Language | English |
Publisher | U.S. Geological Survey |
Contributing office(s) | Pacific Coastal and Marine Science Center |
Description | Report: iii, 10 p.; Data Package |
Country | United States |
State | California |
Online Only (Y/N) | Y |
Additional Online Files (Y/N) | Y |
Google Analytic Metrics | Metrics page |