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Imprint of the Continental Strike-Slip Fault Geometrical Structure in Geophysical Data

Abstract : The geometry of continental fault systems, and more specifically the spatial organization of faults, is a central topic to understand how earthquake ruptures start, propagate, and stop. By exploring the origin of unexpected high frequency emission during earthquakes, Chu et al. (2021), (https://doi.org/10.1029/2021GL095271) show that the most likely source for these emissions is the interaction between nearby misaligned faults. Thus, this result emphasizes the discrete nature of the strike-slip fault segments at seismogenic crustal scale, adding to a set of evidence for spatially structured fault systems drawn from independent observations in geophysics and geology. This observation should bring some new constrains to earthquake rupture scenario by limiting the range of possible ruptures included in these models.
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Submitted on : Wednesday, August 10, 2022 - 8:16:07 AM
Last modification on : Tuesday, October 25, 2022 - 12:49:19 PM
Long-term archiving on: : Friday, November 11, 2022 - 6:16:23 PM

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Yann Klinger. Imprint of the Continental Strike-Slip Fault Geometrical Structure in Geophysical Data. Geophysical Research Letters, 2022, 49, ⟨10.1029/2022GL098146⟩. ⟨insu-03748526⟩

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