Long-term monitoring of creep rate along the Hayward fault and evidence for a lasting creep response to 1989 Loma Prieta earthquake

Lienkaemper, J. J.; Galehouse, J. S.; Simpson, R. W.

Abstract:

We present results from over 30 yr of precise surveys of creep along the Hayward fault. Along most of the fault, spatial variability in long-term creep rates is well determined by these data and can help constrain 3D-models of the depth of the creeping zone. However, creep at the south end of the fault stopped completely for more than 6 years after the M7 1989 Loma Prieta Earthquake (LPEQ), perhaps delayed by stress drop imposed by this event. With a decade of detailed data before LPEQ and a decade after it, we report that creep response to that event does indeed indicate the expected deficit in creep.

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Article

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70023256

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Lienkaemper, J. J.; Galehouse, J. S.; Simpson, R. W.

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2268

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English

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Geophysical Research Letters

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Long-term monitoring of creep rate along the Hayward fault and evidence for a lasting creep response to 1989 Loma Prieta earthquake; 2001; Article; Journal; Geophysical Research Letters; Lienkaemper, J. J.; Galehouse, J. S.; Simpson, R. W.