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SEISMOLOGY

The rough ride of subducting fault surfaces

The morphology and geometry of the plate interface in a subduction zone is heterogeneous and influenced by lower-plate normal faulting, suggests an analysis of seismic data. These properties of subduction interfaces may influence how the largest earthquakes occur.

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Fig. 1: Schematic diagram of the morphology of the Costa Rica plate-boundary fault surface, as characterized by Kirkpatrick et al.5.

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Correspondence to Matt J. Ikari.

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Ikari, M.J. The rough ride of subducting fault surfaces. Nat. Geosci. 13, 329–330 (2020). https://doi.org/10.1038/s41561-020-0574-5

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