Hydrologic effects associated with the January 17, 1994 Northridge, California, earthquake
Open-File Report
95-813
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Abstract
This report compiles hydrologic observations in southern California associated with the 1994 Mw = 6.7 Northridge, California earthquake. In southern California, the largest ground water level change was a drop of 52 cm at Crystalaire. Most of the steplike water-level changes recorded following the Northridge earthquake agreed in direction with the sign of the calculated coseismic volume strain field. A spring discharge increase at Southern Pacific Springs was reported to have preceded the earthquake by several days. Outside of southern California, water-level changes were also observed, but are not consistent in sign or size with the static strain field of the earthquake sequence.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Hydrologic effects associated with the January 17, 1994 Northridge, California, earthquake |
| Series title | Open-File Report |
| Series number | 95-813 |
| DOI | 10.3133/ofr95813 |
| Year Published | 1995 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | Volcano Hazards Program, Ohio-Kentucky-Indiana Water Science Center |
| Description | ii, 47 p. |
| Country | United States |
| State | California, Nevada, Oregon |