Water-level monitoring in the area of the Palmdale Uplift, Southern California
Earthquake Information Bulletin (USGS)
By: D.L. Lamar and P.M. Merifield
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Abstract
Abnormal behavior of water levels in wells has been observed prior to a number of earthquakes. For instance, water-level minima have been noted in the Cienega Winery well before earthquakes on the San Andreas fault. Abnormal water-level fluctuations were used in conjunctions with other precursors to predict the February 4, 1975, Haicheng earthquake in northeastern China. That such changes should occur prior to earthquakes is not surprising. Ground water that occupies the void spaces in porous rocks or alluvium can be expected to rise in wells when an aquifer is squeezed and fall when it is distended. COnfined aquifers, in particualr, have been found to be highly sensitive to Earth strain changes.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Water-level monitoring in the area of the Palmdale Uplift, Southern California |
| Series title | Earthquake Information Bulletin (USGS) |
| Volume | 10 |
| Issue | 4 |
| Year Published | 1978 |
| Language | English |
| Publisher | U.S Geological Survey |
| Description | 4 p. |
| First page | 144 |
| Last page | 147 |
| Country | United States |
| State | California |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |