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Showing 1–7 of 7 results
Advanced filters: Author: Heidrun Kopp Clear advanced filters

  • The rupture area of the 2014 Iquique earthquake offshore northern Chile was spatially limited to a region where the plate boundary is non-reflective in seismic images, indicative of low fluid pressure. In contrast, north and updip of the rupture area, a coherent highly reflective plate boundary indicates excess fluid pressure, which may inhibit strain accumulation, while strain release in the non-reflective rupture area occurs during large earthquakes.

    • Bo Ma
    • Jacob Geersen
    • Heidrun Kopp
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Seismological and geodetic data are used together with a machine learning earthquake catalogue to reconstruct magma migration before and during the 2025 volcano–tectonic crisis at Santorini volcano, indicating a coupling between Santorini and Kolumbo.

    • Marius P. Isken
    • Jens Karstens
    • Christian Berndt
    ResearchOpen Access
    Nature
    Volume: 645, P: 939-945

  • The state of the Main Marmara Fault (fault segment of the North Anatolian Fault) is widely discussed, towards whether it is creeping or locked. The authors here present seafloor geodetic measurements which indicate a complete locking of the fault in the central part of the Sea of Marmara. This provides significant information for the assessment of both seismic and potential tsunami hazard to Istanbul.

    • Dietrich Lange
    • Heidrun Kopp
    • Louis Géli
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • The amount of fluid delivered to subduction zones by the oceanic crust and penetrating sea water is not matched by that leaving through volcanic emissions or transfer to the deep mantle. Electromagnetic images of the Costa Rican subduction zone reveal an extra reservoir in the crust that may account for some of the missing fluid.

    • Tamara Worzewski
    • Marion Jegen
    • Waldo Taylor Castillo
    Research
    Nature Geoscience
    Volume: 4, P: 108-111

  • During subduction water is transported into the mantle, but constraining its release remains challenging. Here, using seismic tomography of the Lesser Antilles arc, the authors track the multistage dehydration of the slab and its lateral variations associated with heterogeneous slab composition.

    • Michele Paulatto
    • Mireille Laigle
    • Heidrun Kopp
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11