Imaging of aseismic fault slip transients recorded by dense geodetic networks
نویسندگان
چکیده
منابع مشابه
From Geodetic Imaging of Seismic and Aseismic Fault Slip to Dynamic Modeling of the Seismic Cycle
Understanding the partitioning of seismic and aseismic fault slip is central to seismotectonics as it ultimately determines the seismic potential of faults. Thanks to advances in tectonic geodesy, it is now possible to develop kinematic models of the spatiotemporal evolution of slip over the seismic cycle and to determine the budget of seismic and aseismic slip. Studies of subduction zones and ...
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Constellations of Synthetic Aperture Radar (SAR) satellites with short repeat time acquisitions allow exploration of active faults behavior with unprecedented temporal resolution. Along the North Anatolian Fault (NAF) in Turkey, an 80 km long section has been creeping at least since the 1944, Mw 7.3 earthquake near Ismetpasa, with a current Interferometric Synthetic Aperture Radar (InSAR)-deriv...
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a Institut des Sciences de la Terre (ISTerre), Université Joseph Fourier – Grenoble 1, CNRS, UMR 5275, BP 53, 38041 Grenoble, France b Department of Earth and Space Science, University of California, Los Angeles, United States c Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, United States d Tectonic Observatory, California Institute of Technology, Pasadena, C...
متن کاملAseismic slip transients emerge spontaneously in three-dimensional rate and state modeling of subduction earthquake sequences
[1] To investigate the possible physical mechanisms of recently observed aseismic slip events in the Cascadia, Japan and Mexico subduction zones, we apply a Dieterich-Ruina rate and state friction law to a three dimensional model of a shallow subduction fault. That is loaded by imposed steady plate slip rate far downdip along the thrust interface. Friction properties are temperature and hence d...
متن کاملINDUCED SEISMICITY. Seismicity triggered by fluid injection-induced aseismic slip.
Anthropogenic fluid injections are known to induce earthquakes. The mechanisms involved are poorly understood, and our ability to assess the seismic hazard associated with geothermal energy or unconventional hydrocarbon production remains limited. We directly measure fault slip and seismicity induced by fluid injection into a natural fault. We observe highly dilatant and slow [~4 micrometers pe...
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ژورنال
عنوان ژورنال: Geophysical Journal International
سال: 2003
ISSN: 0956-540X,1365-246X
DOI: 10.1111/j.1365-246x.2003.02022.x