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Volume 8, issue 3
Solid Earth, 8, 597-635, 2017
https://doi.org/10.5194/se-8-597-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Two centuries of modelling across scales (SE/ESurf inter-journal...

Solid Earth, 8, 597-635, 2017
https://doi.org/10.5194/se-8-597-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Review article 19 May 2017

Review article | 19 May 2017

Analogue earthquakes and seismic cycles: experimental modelling across timescales

Matthias Rosenau1, Fabio Corbi2,3, and Stephane Dominguez3 Matthias Rosenau et al.
  • 1Helmholtz Centre Potsdam, German Research Centre for Geosciences, GFZ, 14473 Potsdam, Germany
  • 2Dipartimento di Scienze, University Roma Tre, 00146 Rome, Italy
  • 3University of Montpellier, UMR5243 Geosciences, 34920 Montpellier, France

Abstract. Earth deformation is a multi-scale process ranging from seconds (seismic deformation) to millions of years (tectonic deformation). Bridging short- and long-term deformation and developing seismotectonic models has been a challenge in experimental tectonics for more than a century. Since the formulation of Reid's elastic rebound theory 100 years ago, laboratory mechanical models combining frictional and elastic elements have been used to study the dynamics of earthquakes. In the last decade, with the advent of high-resolution monitoring techniques and new rock analogue materials, laboratory earthquake experiments have evolved from simple spring-slider models to scaled analogue models. This evolution was accomplished by advances in seismology and geodesy along with relatively frequent occurrences of large earthquakes in the past decade. This coincidence has significantly increased the quality and quantity of relevant observations in nature and triggered a new understanding of earthquake dynamics. We review here the developments in analogue earthquake modelling with a focus on those seismotectonic scale models that are directly comparable to observational data on short to long timescales. We lay out the basics of analogue modelling, namely scaling, materials and monitoring, as applied in seismotectonic modelling. An overview of applications highlights the contributions of analogue earthquake models in bridging timescales of observations including earthquake statistics, rupture dynamics, ground motion, and seismic-cycle deformation up to seismotectonic evolution.

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This paper reviews experimental analogue modelling approaches to earthquakes and seismic cycles on timescales from seconds (rupture dynamics) to millions of years (tectonics). Over the last century experiments developed from simple spring-slider and fault block models to seismotectonic scale models. Based on recent advances in material characterization and monitoring techniques, analogue models today are able to simulate the seismotectonic evolution of the earth in various tectonic settings.
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