California earthquakes: Why only shallow focus?
Science
By: W.F. Brace and J.D. Byerlee
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Abstract
Frictional sliding on sawcuts and faults in laboratory samples of granite and gabbro is markedly temperature-dependent. At pressures from 1 to 5 kilobars, stick-slip gave way to stable sliding as temperature was increased from 200 to 500 degrees Celsius. Increased temperature with depth could thus cause the abrupt disappearance of earthquakes noted at shallow depths in California.
Suggested Citation
Brace, W., and Byerlee, J., 1970, California earthquakes: Why only shallow focus?: Science, v. 168, no. 3939, p. 1573-1575, https://doi.org/10.1126/science.168.3939.1573.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | California earthquakes: Why only shallow focus? |
| Series title | Science |
| DOI | 10.1126/science.168.3939.1573 |
| Volume | 168 |
| Issue | 3939 |
| Year Published | 1970 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 3 p. |
| First page | 1573 |
| Last page | 1575 |
| Country | United States |
| State | California |