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Showing 1–3 of 3 results
Advanced filters: Author: Stefano Aretusini Clear advanced filters

  • Past megathrust earthquakes in the Costa Rica subduction zone have slipped all the way up to the seafloor, according to analyses of core and seismic data. This shallow slip was accommodated by layers of weak biogenic ooze.

    • Paola Vannucchi
    • Elena Spagnuolo
    • Stefan Nielsen
    Research
    Nature Geoscience
    Volume: 10, P: 935-940

  • Laboratory experiments reproducing earthquake slip in non cohesive fault rocks under fluid pressurised conditions are challenging. Thanks to these experiments, the authors show that earthquake slip occurring in tsunamigenic subduction zone faults is controlled by dilatancy and pressurisation processes.

    • S. Aretusini
    • F. Meneghini
    • G. Di Toro
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Tectonic faults weaken during slip in order to accelerate and produce earthquakes. Here the authors show a mechanism for weakening faults through the transformation of quartz to amorphous nanoparticulate wear powders that lubricate friction experiments, and transform back to quartz under geologic conditions.

    • Christie D. Rowe
    • Kelsey Lamothe
    • Stefano Aretusini
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-11