Park, S. and S. Elrick (1998). Predictions of shear-wave
velocities in Southern California using surface geology,
Bulletin of the Seismological Society of America, V. 88,
677-685.
| Geological
Classifications of Park and Elrick, 1998 |
S-wave vel. est. |
| Q |
Quaternary |
333 m/s |
| T |
Tertiary |
406 m/s |
| M |
Mesozoic |
589 m/s |
Tinsley, J. C. and T. E. Fumal (1985). Mapping Quaternary sedimentary
deposits for areal variations in shaking response, in Evaluating
Earthquake Hazards in the Los Angeles Region, U.S. Geological
Survey Professional Paper, 1360, 101-125.
| Geological
Classifications of Tinsley and Fumal, 1985 |
| NOTE: see this paper for an
estimate of shear-wave velocity based on these site
classifications.
|
| Holocene |
af |
Artificial Fill |
| Qyvc |
very coarse grained sediment (cobbles and boulders) |
| Qyc |
coarse-grained sediment (gravel) |
| Qym |
medium-grained sediment (sand) |
| Qyf |
fine-grained sediment (silt and clay) |
| Pleistocene |
Qovc |
very coarse grained sediment (cobbles and boulders) |
| Qoc |
coarse-grained sediment (gravel) |
| Qom |
medium-grained sediment (sand) |
| Qof |
fine-grained sediment (silt and clay) |
| Qpu |
undifferentiated late Pleistocene sediments |
| ----- |
QTs |
undifferentiated middle and late Pleistocene and
latest Tertiary sedimentary rock |
| Tertiary |
Tss |
sedimentary rock |
| Tsb |
basement rock |
| Mesozoic |
Mxb |
intrusive and metamorphic (basement) rock |
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