Geology and land use
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Abstract
Geologists' eyes are trained to find and trace such natural landmarks as flood plains, landslide scars, retreating shoreline bluffs, or surface traces of active earthquake faults. more and more often, in developing areas, we find these obvious signs of trouble being erased by urban development. A geological hazard concealed by landscaping or hosing is fully as dangerous as when it is visible.
The geologic limitations for building sites of some areas can be overcome, in part, by skilled engineering and expensive construction practices. But the costs can be prohibitively high, and the solutions are not always completely effective. In "earthquake country," history has shown that costs are highest and risk factors most uncertain in a few easily recognized settings: unstable hill sloped, land at the edge of rapidly eroding sea cliffs, lowlands underlain by saturated estuarine mud of ill, and areas near faults capable of producing magnitude 7 or greater earthquakes. Safety immediately after an earthquake is also a concern in these places, for extreme damage and ground distortion may impede or prevent timely access by emergency equipment.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Geology and land use |
| Series title | Earthquakes & Volcanoes (USGS) |
| Volume | 22 |
| Issue | 6 |
| Year Published | 1990 |
| Language | English |
| Publisher | U.S Geological Survey |
| Description | 2 p. |
| First page | 252 |
| Last page | 253 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |