Slip rate, earthquake recurrence, and seismogenic potential of the Rodgers Creek Fault Zone, northern California: Initial results
Geophysical Research Letters
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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.
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 |