'Coulomb stress' diaporamas de présentation

Stress- and State-Dependence of Earthquake Occurrence

Stress- and State-Dependence of Earthquake Occurrence. Jim Dieterich, UC Riverside. Formulation for earthquake rates. Unified and quantitative framework for analysis of effects of stress changes on earthquake occurrence Some applications: Aftershocks Foreshocks

495 views • 49 slides

Stress- and State-Dependence of Earthquake Occurrence: Tutorial 2

Stress- and State-Dependence of Earthquake Occurrence: Tutorial 2. Jim Dieterich University of California, Riverside. Constant V (high). x. V 1. B. m ss. Coefficient of friction m. B-A. Constant V (low). Log q. During slip ? evolves toward ? ss. Constant V (high). x. V 1.

384 views • 38 slides

Static stress changes--Coulomb

517 views • 30 slides

Real-time application of Coulomb stress modelling and related issues

Real-time application of Coulomb stress modelling and related issues. By Suleyman S. Nalbant, Sandy Steacy & John McCloskey Geophysics Research Group, University of Ulster, N. Ireland. Motivation.

403 views • 28 slides

Real-time application of Coulomb stress modelling and related issues

Real-time application of Coulomb stress modelling and related issues. By Suleyman S. Nalbant, Sandy Steacy & John McCloskey Geophysics Research Group, University of Ulster, N. Ireland. Motivation.

289 views • 28 slides

Towards Optimal Network for Source Inversion

Towards Optimal Network for Source Inversion. Lingsen Meng, Jean-Paul Ampuero Seismo Lab,Caltech. Source Inversion Validation (SIV):. Finite fault inversion Different approaches and datasets Used to study source dynamics, ground motion ,coulomb stress

457 views • 26 slides

Aftershocks follow the Omori Law (seismicity rate decays as 1/t)

Aftershocks tend to fall preferentially in area of static Coulomb stress increase but there are also earthquakes in area of decrease Coulomb stress. Aftershocks follow the Omori Law (seismicity rate decays as 1/t).

434 views • 21 slides

Energy balance and numerical simulation of microseismicity induced by hydraulic fracturing

Energy balance and numerical simulation of microseismicity induced by hydraulic fracturing. David W. Eaton* and Neda Boroumand Department of Geoscience University of Calgary * Currently at University of Bristol. Acknowledgements: Sponsors of the Microseismic Industry Consortium

417 views • 20 slides