The 2006 slow slip event and nonvolcanic tremor in the Mexican subduction zone

  • Vladimir Kostoglodov
    Instituto de Geofísica Universidad Nacional Autónoma de México Mexico City Mexico
  • Allen Husker
    Instituto de Geofísica Universidad Nacional Autónoma de México Mexico City Mexico
  • Nikolai M. Shapiro
    Laboratoire de Sismologie Institut de Physique du Globe de Paris Paris France
  • Juan S. Payero
    Instituto de Geofísica Universidad Nacional Autónoma de México Mexico City Mexico
  • Michel Campillo
    Laboratoire de Géophysique Interne et Tectonophysique Université Joseph Fourier Grenoble France
  • Nathalie Cotte
    Laboratoire de Géophysique Interne et Tectonophysique Université Joseph Fourier Grenoble France
  • Robert Clayton
    Seismological Laboratory California Institute of Technology Pasadena California USA

書誌事項

公開日
2010-12
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2010gl045424
公開者
American Geophysical Union (AGU)

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説明

<jats:p>The last decade featured an explosive sequence of discoveries of slow slip events (SSE) and nonvolcanic tremor (NVT) in different subduction zones and continental faults. Many observations show that SSE is usually associated with an increased NVT activity but it is not clear yet if those events are the result of the same process or are independent expressions of a common underlying seismotectonic source. A large SSE in Central Mexico occurred in 2006 during the Meso‐American Subduction Experiment (MASE) which provided continuous observations of the NVT for the years 2005–2007. GPS and abundant seismic data show that although the NVT energy increased notably during the 2006 SSE, the two phenomena were separated spatially and not completely synchronized in time. Significant NVT episodes occur during the period between SSEs, suggesting again that large slow slip events and NVT observed in the Mexican subduction zone are of different origins. The results presented here contribute to uncovering the nature of these two separate phenomena that have been indistinguishable in some other regions.</jats:p>

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