Results 151 to 160 of about 1,251 (185)
Seismogenic strength and anatomy of mahendragarh-dehradun fault: implication to seismic risk. [PDF]
Sci RepGera SK +4 more
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Relative Afterslip Moment Does Not Correlate With Aftershock Productivity: Implications for the Relationship Between Afterslip and Aftershocks [PDF]
Geophysical Research Letters, 2022 AbstractAseismic afterslip has been proposed to drive aftershock sequences. Both afterslip moment and aftershock number broadly increase with mainshock size, but can vary beyond this scaling. We examine whether relative afterslip moment (afterslip moment/mainshock moment) correlates with several key aftershock sequence characteristics, including ...
Maximilian Werner +2 more
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Afterslip and aftershocks in the rate‐and‐state friction law [PDF]
Journal of Geophysical Research, 2009 We study how a stress perturbation generated by a main shock affects a fault obeying the rate‐state friction law using a simple slider block system. Depending on the model parameters and on the initial stress, the fault exhibits aftershocks, slow earthquakes, or decaying afterslip. We found several regimes with slip rate decaying as a power law of time,
Bruce E Shaw
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Imaging rapid early afterslip of the 2016 Pedernales earthquake, Ecuador
Earth and Planetary Science Letters, 2019 High-Rate (HR) GPS time series following the 2016 Mw 7.8 Pedernales earthquake suggest significant postseismic deformation occurring in the early postseismic period (i.e. first few hours after the earthquake) that is not resolved with daily GPS time series.
Frédérique Rolandone +2 more
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Afterslip (and only afterslip) following the 2004 Parkfield, California, earthquake [PDF]
Geophysical Research Letters, 2007 An analysis of the first two years of postseismic surface deformations from GPS reveals that afterslip is the only mechanism significantly contributing to postseismic deformation following the 2004 M6 Parkfield, California earthquake. Finite element modeling shows this event to have been too small to significantly stress the lower crust and upper ...
exaly +2 more sources
A high-resolution, time-variable afterslip model for the 2010 Maule Mw = 8.8, Chile megathrust earthquake [PDF]
Earth and Planetary Science Letters, 2013 The excellent spatial coverage of continuous GPS stations in the region affected by the Maule Mw = 8.8 2010 earthquake, combined with the proximity of the coast to the seismogenic zone, allows us to model megathrust afterslip on the plate interface with ...
Jonathan Bedford +2 more
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A Model of Aftershock Migration Driven by Afterslip
Geophysical Research Letters, 2018 AbstractAftershocks region have been extensively reported to expand logarithmically with time. The associated migration velocity is typically of the order of several km/decade but can be much larger, especially when observing early aftershock sequences, seismic swarms, or tremors.
Hugo Perfettini +2 more
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Spatial Relationships Between Coseismic Slip, Aseismic Afterslip, and On‐Fault Aftershock Density in Continental Earthquakes [PDF]
Journal of Geophysical Research: Solid EarthDamaging aftershock sequences often exhibit considerable spatio‐temporal complexity. The stress changes associated with coseismic slip and aseismic afterslip are commonly proposed to drive aftershock sequences, but few systematic studies exist and do not
Åke Fagereng +2 more
exaly +2 more sources
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The role of afterslip in driving aftershock sequences
2020<p>Aftershock sequences following large tectonic earthquakes exhibit considerable spatio-temporal complexity and suggest causative mechanisms beyond co-seismic, elasto-static Coulomb stress changes in the crust. Candidate mechanisms include dynamic triggering and postseismic processes such as viscoelastic relaxation, poroelastic ...
Robert Churchill +3 more
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Evidence for afterslip on the San Fernando fault
Bulletin of the Seismological Society of America, 1975Abstract Postearthquake changes in elevation across the Tujunga segment of the San Fernando fault in the period March 1971 to 1973-1974 indicate deformation similar in distribution to, but on a much smaller scale than, the coseismic deformation (the maximum postearthquake uplift is about 60 mm compared to the 2 m of coseismic uplift ...
J. C. Savage, J. P. Church
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