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.
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 |