@article{20183da0889c464cbb5e306407363111,
title = "Steady Long-Term Slip Rate on the Blue Cut Fault: Implications for Strain Transfer Between the San Andreas Fault and Eastern California Shear Zone",
abstract = "The Eastern Transverse Ranges (ETR) province of California contains a system of E-W-trending left-lateral faults accommodating clockwise block rotation between the San Andreas Fault (SAF) system in the Coachella Valley and the Eastern California Shear Zone (ECSZ) in the Mojave Desert. Building upon established geometric relationships, we estimate that this rotation across the ETR may transfer right-lateral strain from the SAF to the ECSZ at a time-averaged rate of ∼4.3–7.7 mm/yr. Through geomorphic mapping and the analysis of 38 10Be surface exposure samples, we derive a long-term slip rate of 1.26 ± 0.50 (2σ) mm/yr over the late Pleistocene, yet analysis of the displacement record indicates a rate decrease ∼71 kya. While a rate change on this fault could have implications for possible plate boundary reorganization in this area, we argue that this slip rate variability more likely reflects routine fluctuation about a steady lifetime slip rate.",
keywords = "block rotation, Eastern California Shear Zone, fault slip rate variability, San Andreas Fault",
author = "Guns, {K. A.} and R. Bennett and K. Blisniuk and A. Walker and A. Hidy and A. Heimsath",
note = "Funding Information: The authors thank James Spotila and an anonymous reviewer for their feedback that greatly improved the presentation of this work. The authors also thank Luke Sabala and Jay Theuer from the National Park Service for their support in obtaining a scientific research permit for Joshua Tree National Park. The collection of samples was partially funded by GSA Graduate Student Research Grant awards to K. Guns and Southern California Earthquake Center Grant 17161. Sample processing was funded by the EarthScope AGeS Program, USGS NEHRP Award G19AP00054 and NSF Early Career Award 1848547 to K. Blisniuk. Prepared in part by LLNL under Contract DE-AC52-07NA27344. This is LLNL-JRNL-826988. Funding Information: The authors thank James Spotila and an anonymous reviewer for their feedback that greatly improved the presentation of this work. The authors also thank Luke Sabala and Jay Theuer from the National Park Service for their support in obtaining a scientific research permit for Joshua Tree National Park. The collection of samples was partially funded by GSA Graduate Student Research Grant awards to K. Guns and Southern California Earthquake Center Grant 17161. Sample processing was funded by the EarthScope AGeS Program, USGS NEHRP Award G19AP00054 and NSF Early Career Award 1848547 to K. Blisniuk. Prepared in part by LLNL under Contract DE‐AC52‐07NA27344. This is LLNL‐JRNL‐826988. Publisher Copyright: {\textcopyright} 2022. American Geophysical Union. All Rights Reserved.",
year = "2022",
month = oct,
day = "28",
doi = "10.1029/2022GL100799",
language = "English (US)",
volume = "49",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "20",
}