Energy dissipation in earthquakes
arxiv(2024)
摘要
Earthquakes are rupture-like processes that propagate along tectonic faults
and cause seismic waves. The propagation speed and final area of the rupture,
which determine an earthquake's potential impact, are directly related to the
nature and quantity of the energy dissipation involved in the rupture process.
Here we present the challenges associated with defining and measuring the
energy dissipation in laboratory and natural earthquakes across many scales. We
discuss the importance and implications of distinguishing between energy
dissipation that occurs close to and far behind the rupture tip and we identify
open scientific questions related to a consistent modeling framework for
earthquake physics that extends beyond classical Linear Elastic Fracture
Mechanics.
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