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Earthquake Ground Shaking and its Potential Effects
in the San Francisco Bay Region
for a Repeat of the Great 1906 Earthquake
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Preliminary Estimates of Schools and Hospitals in San Francisco County
Exposed to Short-Period (Sa @ 0.3 sec.) Ground Shaking Levels and
Corresponding Intensities for a Repeat of the 1906 Earthquake
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| Sa @ 0.3s |
SF scale |
MM scale |
|
Schools |
Hospitals |
| (g) |
(approx.) |
(approx.) |
|
No. |
% |
No. |
% |
| > 1.4 |
very violent |
X |
|
7 |
4 |
0 |
0 |
| 1.0 - 1.4 |
strong - violent |
VII+ - IX |
|
49 |
26 |
13 |
39 |
| 0.6 - 1.0 |
weak - strong |
VII - VII+ |
|
56 |
29 |
17 |
52 |
| < 0.6 |
none - weak |
< VI+ |
|
78 |
41 |
3 |
9 |
| Total |
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|
190 |
100 |
33 |
100 |
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