IDEAS home Printed from https://ideas.repec.org/a/nat/nature/v465y2010i7294d10.1038_nature09062.html
   My bibliography  Save this article

Seismic and aseismic slip on the Central Peru megathrust

Author

Listed:
  • Hugo Perfettini

    (Institut de Recherche pour le Développement, 44 Boulevard de Dunkerque, 13572 Marseille cedex 02, France
    Instituto Geofisico del Perú, Calle Badajos 169, Urb. Mayorazgo, Ate, Lima, Peru
    Laboratoire de Géophysique Interne et Tectonophysique, Université Joseph Fourier/CNRS/IRD/LCPC, Observatoire des Sciences de l'Univers de Grenoble, BP 53, 38041 Grenoble cedex 9, France
    Laboratoire des Mécanismes de Transfert en Géologie, Université Paul Sabatier/CNRS/IRD, Observatoire Midi-Pyrénées, 14 Avenue Edouard Belin, 31400 Toulouse, France)

  • Jean-Philippe Avouac

    (Tectonics Observatory, California Institute of Technology, Pasadena, California 91125, USA)

  • Hernando Tavera

    (Instituto Geofisico del Perú, Calle Badajos 169, Urb. Mayorazgo, Ate, Lima, Peru)

  • Andrew Kositsky

    (Tectonics Observatory, California Institute of Technology, Pasadena, California 91125, USA
    Ashima Research, Pasadena, 600 S. Lake Ave., Pasadena, California 91106, USA)

  • Jean-Mathieu Nocquet

    (GéoAzur, 250 Rue Albert Einstein, 06560 Valbonne, France)

  • Francis Bondoux

    (Institut de Recherche pour le Développement, 44 Boulevard de Dunkerque, 13572 Marseille cedex 02, France
    Instituto Geofisico del Perú, Calle Badajos 169, Urb. Mayorazgo, Ate, Lima, Peru
    Laboratoire de Géophysique Interne et Tectonophysique, Université Joseph Fourier/CNRS/IRD/LCPC, Observatoire des Sciences de l'Univers de Grenoble, BP 53, 38041 Grenoble cedex 9, France)

  • Mohamed Chlieh

    (Institut de Recherche pour le Développement, 44 Boulevard de Dunkerque, 13572 Marseille cedex 02, France
    GéoAzur, 250 Rue Albert Einstein, 06560 Valbonne, France)

  • Anthony Sladen

    (Tectonics Observatory, California Institute of Technology, Pasadena, California 91125, USA)

  • Laurence Audin

    (Institut de Recherche pour le Développement, 44 Boulevard de Dunkerque, 13572 Marseille cedex 02, France
    Instituto Geofisico del Perú, Calle Badajos 169, Urb. Mayorazgo, Ate, Lima, Peru
    Laboratoire des Mécanismes de Transfert en Géologie, Université Paul Sabatier/CNRS/IRD, Observatoire Midi-Pyrénées, 14 Avenue Edouard Belin, 31400 Toulouse, France)

  • Daniel L. Farber

    (University of California Santa Cruz, Santa Cruz, California 95064, USA
    Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA)

  • Pierre Soler

    (Institut de Recherche pour le Développement, 44 Boulevard de Dunkerque, 13572 Marseille cedex 02, France)

Abstract

Slip on the Peru megathrust Hugo Perfettini and colleagues show that the 2007 magnitude-8.0 Pisco earthquake in central Peru ruptured two asperities within a patch that had remained locked over the interseismic period, and triggered aseismic frictional afterslip on two adjacent patches. The most prominent patch of afterslip coincides with the subducting Nazca ridge, an area also characterized by a low interseismic coupling, which seems to have repeatedly acted as a barrier to seismic rupture propagation in the past. Aseismic slip accounts for as much as 50–70 per cent of the slip budget on the seismogenic portion of the megathrust in central Peru, and the return period of magnitude-8.0 earthquakes in the Pisco area is estimated to be 250 years.

Suggested Citation

  • Hugo Perfettini & Jean-Philippe Avouac & Hernando Tavera & Andrew Kositsky & Jean-Mathieu Nocquet & Francis Bondoux & Mohamed Chlieh & Anthony Sladen & Laurence Audin & Daniel L. Farber & Pierre Soler, 2010. "Seismic and aseismic slip on the Central Peru megathrust," Nature, Nature, vol. 465(7294), pages 78-81, May.
  • Handle: RePEc:nat:nature:v:465:y:2010:i:7294:d:10.1038_nature09062
    DOI: 10.1038/nature09062
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/nature09062
    File Function: Abstract
    Download Restriction: Access to the full text of the articles in this series is restricted.

    File URL: https://libkey.io/10.1038/nature09062?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Yifang Cheng & Roland Bürgmann & Richard M. Allen, 2024. "3D architecture and complex behavior along the simple central San Andreas fault," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:nature:v:465:y:2010:i:7294:d:10.1038_nature09062. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.