Empirical law for fault-creep events
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Abstract
Fault-creep events measured on the San Andreas and related faults near Hollister, California, can be described by a rheological model consisting of a spring, power-law dashpotand sliding block connected in series. An empirical creep-event law, derived from many creep-event records analyzed within the constraints of the model, provides a remarkably simple and accurate representation of creep-event behavior. The empirical creep law is expressed by the equation: D(t)= Df [1−1/{ct(n−1)Dfn−1+1}/(n−1)] where D is the value of displacement at time t following the onset of an event, Df is the final equilibrium value of the event displacementand C is a proportionality constant. This discovery should help determine whether the time—displacement character of creep events is controlled by the material properties of fault gouge, or by other parameters.
Suggested Citation
Crough, S., Burford, R.O., 1977, Empirical law for fault-creep events: Tectonophysics, v. 42, no. 1, p. T53-T59, https://doi.org/10.1016/0040-1951(77)90024-5.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Empirical law for fault-creep events |
| Series title | Tectonophysics |
| DOI | 10.1016/0040-1951(77)90024-5 |
| Volume | 42 |
| Issue | 1 |
| Year Published | 1977 |
| Language | English |
| Publisher | Elsevier |
| Description | 7 p. |
| First page | T53 |
| Last page | T59 |
| Country | United States |
| State | California |
| Other Geospatial | Melendy Ranch |