Geology Reference
In-Depth Information
110
II. Introduction to Geologic Hazards
FIGURE 7.8
Apparent intensities of the 1906 San Francisco earthquake.
(After Wood, 1908; in Borcherdt et al., 1975)
r
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QUESTIONS (7, PART B2)
1.
What are the ages of fills in the Marina District (Figure 7.9)?
Was any fill emplaced in the last 50 years? How well engi-
neered for seismic response do you think the fill is? Explain
your answer.
b. How do you interpret the term
hydraulic?
c.
What is the natural coastal landform that existed at
"A" (Figure 7.9) prior to 1912?
2.
a.
What is the relationship between the age and kinds of
fills?
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