Dear colleagues,
We warmly invite you to submit an abstract to the following session at the AGU 2018 Fall Meeting in Washington, D.C.
MR020: Precursory deformation before dynamic failure
https://agu.confex.com/agu/fm18/prelim.cgi/Session/51065
Session ID: 51065, Session Description:
The physical and mechanical properties of rocks exert a key control on precursory deformations before dynamic ruptures. Multi-scale evidences reveal that these properties are controlled by a number of mechanisms such as fluid pressure, time-dependent deformation and phase transformations. At the field scale micro-earthquakes along creeping faults and fluid driven ruptures elucidate the evolution of fault properties during the seismic cycle. In the field it is now possible to quantitatively characterize the nucleation and propagation of dry and fluid-induced ruptures and the assessment of faults hydro-mechanical properties. At the laboratory scale new experiments are able to investigate the 3D microstructure evolution of a deforming rock within a seismogenic zone. All these approaches show a competition between healing and fault reloading, and ultimately can unravel the precursors to rupture events. This session aims to integrate field, laboratory, seismological and geodetic data to address the multi-scale precursory deformation mechanisms before major ruptures.
Confirmed invited Authors:
Stefan Nielsen, University of Durham
Takamasa Kanaya, University of Maryland
Conveners:
Sergio Vinciguerra, University of Turin
Wenlu Zhu, University of Maryland
The deadline is fastly approaching: Wednesday, 1 August 23:59 EDT.
Best Regards
Sergio Vinciguerra and Wenlu Zhu
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