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Wednesday, January 14, 2026
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On behalf of Betsy Madden (San José State University) and Christie Rowe (University of Nevada, Reno)
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The San Francisco Bay Area is cut by a network of faults, many of which are creeping. Creep has been measured since the 1970s by survey measurements of 89 alignment arrays and this extraordinary dataset provides evidence for creep transients, some triggered by regional earthquakes, which propagate along strike over days to years. Currently there is no plan for continuing alignment array measurements, a time-consuming task which may be best shared across the research community. In addition, considering these data alongside alternative methods for observing creep is critical to advance understanding of loading conditions and stress transfer patterns in space and time that underlie fault mechanics, seismic cycling and earthquake rupture dynamics. Limited understanding of how creep influences seismic hazard further underscores the need to focus collaborative research in this area and reconsider long term monitoring of creep. With the expansion to Northern California, the Statewide California Earthquake Center is well positioned to facilitate this collaboration. Workshop goals:
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- Develop a community plan for alignment array measurement
- Evaluate array locations, restore lost stations and consider new fault mapping to confirm/expand coverage
- Share alternative creep observation methods complementary to alignment arrays
Plan how to best capture creep-related deformation into the future, including setting specific targets for spatial and temporal resolution to maintain or increase quality of creep records
- Discuss incorporation of creep measurements into SCEC Community Earth Models (e.g. CGM)
- Define community goals for data continuity in time and space that would allow replacement of alignment array measurements with other more efficient methods
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We welcome applications from individuals interested in the interaction of transient and long-term fault creep on seismic hazard, the use of creep observations to constrain timescales of locking and slip, stress transfer, and fault interactions, geodetic, geophysical and geologic methods for constraining fault creep and understanding its mechanisms, and those interested in expanding an interdisciplinary consortium for longer term monitoring in northern and central California.
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Workshop Costs: The workshop registration fee is $150, covering meals and transportation during the field trip on March 4. Costs to participants may also include meals on other days (not included in the registration fee) transportation to/from San Jose (SJC), and parking at SJSU.
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For out-of-town participants, lodging will be arranged at the Signia Hotel walking distance to the meeting room on San Jose State’s campus. Additional SCEC travel support may be available based on financial need, with priority given to students, early-career researchers, and those without institutional funding. Additional support may cover the registration fee only or may include additional travel expenses.
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Applicants should complete the travel support section carefully when applying. Accepted participants will be notified by February 10, 2026, with details on registration payment, hotel reservations, and additional travel support if applicable.
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