Earthquake rupture dynamics frozen in exhumed ancient faults

  title={Earthquake rupture dynamics frozen in exhumed ancient faults},
  author={Giulio di Toro and Stefan Engelbrecht Nielsen and Giorgio Pennacchioni},
Most of our knowledge about co-seismic rupture propagation is derived from inversion and interpretation of strong-ground-motion seismograms, laboratory experiments on rock and rock-analogue material, or inferred from theoretical and numerical elastodynamic models. However, additional information on dynamic rupture processes can be provided by direct observation of faults exhumed at the Earth's surface. Pseudotachylytes (solidified friction-induced melts) are the most certain fault-rock… CONTINUE READING
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