A Transect of 200 Shallow Shear Velocity Profiles Across the Los Angeles Basin

  title={A Transect of 200 Shallow Shear Velocity Profiles Across the Los Angeles Basin},
  author={Weston A. Thelen and Matthew Clark and Christopher Lopez and Chris Loughner and Hyunmee Park and James F. Scott and Shane B. Smith and Bob Greschke and John N. Louie},
This study assesses a 60 km NNE-SSW transect along the San Gabriel River for shallow shear velocities, in San Gabriel Valley and the Los Angeles Basin of southern California. We assessed a total of 214 sites, 199 along the transect at 300 m spacing, during a one-week field campaign with the refraction microtremor (ReMi) technique. The transect’s maximum 30-meter shear velocity (Vs) occurs in coarse alluvium of San Gabriel Valley where the San Gabriel River exits the San Gabriel Mts.; at 730 m/s… CONTINUE READING
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