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Showing 1–3 of 3 results
Advanced filters: Author: Sarah Incel Clear advanced filters

  • Earthquakes in the lower crust may be facilitated by overpressure of frictional melts, according to pressure estimates from an analysis of quartz inclusions in garnets from pseudotachylytes in the Bergen Arcs.

    • Xin Zhong
    • Arianne J. Petley-Ragan
    • Bjørn Jamtveit
    ResearchOpen Access
    Nature Geoscience
    Volume: 14, P: 519-525

  • Intermediate-depth earthquakes (30-300 km) occur in subducting oceanic slabs, but their generation mechanism remains enigmatic. Here, the authors show through high-pressure and dehydration experiments of antigorite that dehydration-driven stress transfer triggers intermediate-depth earthquakes.

    • Thomas P. Ferrand
    • Nadège Hilairet
    • Alexandre Schubnel
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • The triggering mechanism of deep seismicity in Tibet remains unclear. Here the authors use experiments to show that granulite when deformed becomes brittle as it passes into the ecologite stability field developing macroscopic riedel fault zones thus providing an explanation for deep seismicity in Southern Tibet.

    • Feng Shi
    • Yanbin Wang
    • Zhenmin Jin
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-13