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Seismic radiation from regions sustaining material damage Yehuda Ben-Zion1
 

Summary: 1
Seismic radiation from regions sustaining material damage
Yehuda Ben-Zion1
and Jean-Paul Ampuero2
1
Department of Earth Sciences, University of Southern California
Los Angeles, CA, 90089-0740 (benzion@usc.edu)
2
Seismological Laboratory, California Institute of Technology
Pasadena, CA 91125 (ampuero@gps.caltech.edu)
Submitted to Geophys. J. Int., December 31, 2008
Revised, May 28, 2009
Abbreviated title: Radiation from material damage
2
Summary
We discuss analytical results for seismic radiation during rapid episodes of inelastic
brittle deformation that include, in addition to the standard moment term, a damage-
related term stemming from changes of elastic moduli in the source region. The radiation
from the damage-related term is associated with products of the changes of elastic moduli
and the total elastic strain components in the source region. Order of magnitude estimates

  

Source: Ampuero, Jean Paul - Division of Geological and Planetary Sciences, California Institute of Technology

 

Collections: Geosciences