Slip rate, earthquake recurrence, and seismogenic potential of the Rodgers Creek Fault Zone, northern California: Initial results
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Abstract
Instrumental seismicity defines a seismic gap along the Rodgers Creek fault zone (RCFZ) between Santa Rosa and San Pablo Bay. Results of a paleoseismicity study within the gap, using offset channels in late Holocene alluvial deposits as piercing points, indicate a minimum slip rate of 2.1 to 5.8 mm/yr for the past 1300 years, a preferred range for the maximum recurrence interval of 248 to 679 years, and a surface offset of 2 +0.3, −0.2 m during the most recent event. The RCFZ has produced past M7 earthquakes, and historical seismicity data indicate a minimum elapsed time of 182 years since the most recent earthquake of this size.
Suggested Citation
Budding, K.E., Schwartz, D.P., Oppenheimer, D.H., 1991, Slip rate, earthquake recurrence, and seismogenic potential of the Rodgers Creek Fault Zone, northern California: Initial results: Geophysical Research Letters, v. 18, no. 3, p. 447-450, https://doi.org/10.1029/91GL00465.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Slip rate, earthquake recurrence, and seismogenic potential of the Rodgers Creek Fault Zone, northern California: Initial results |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/91GL00465 |
| Volume | 18 |
| Issue | 3 |
| Publication Date | December 07, 2012 |
| Year Published | 1991 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 4 p. |
| First page | 447 |
| Last page | 450 |
| Country | United States |
| State | California |
| Other Geospatial | Rodgers Creek |