Predicted liquefaction of East Bay fills during a repeat of the 1906 San Francisco earthquake
Earthquake Spectra
By: T.L. Holzer, J.L. Blair, T.E. Noce, and M.J. Bennett
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Abstract
Predicted conditional probabilities of surface manifestations of liquefaction during a repeat of the 1906 San Francisco (M7.8) earthquake range from 0.54 to 0.79 in the area underlain by the sandy artificial fills along the eastern shore of San Francisco Bay near Oakland, California. Despite widespread liquefaction in 1906 of sandy fills in San Francisco, most of the East Bay fills were emplaced after 1906 without soil improvement to increase their liquefaction resistance. They have yet to be shaken strongly. Probabilities are based on the liquefaction potential index computed from 82 CPT soundings using median (50th percentile) estimates of PGA based on a ground-motion prediction equation. Shaking estimates consider both distance from the San Andreas Fault and local site conditions. The high probabilities indicate extensive and damaging liquefaction will occur in East Bay fills during the next M ??? 7.8 earthquake on the northern San Andreas Fault. ?? 2006, Earthquake Engineering Research Institute.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Predicted liquefaction of East Bay fills during a repeat of the 1906 San Francisco earthquake |
| Series title | Earthquake Spectra |
| DOI | 10.1193/1.2188018 |
| Volume | 22 |
| Issue | SPEC. ISS. 2 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Earthquake Spectra |
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