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

Kostoglodov, Vladimir and Husker, Allen and Shapiro, Nikolai M. and Payero, Juan S. and Campillo, Michel and Cotte, Nathalie and Clayton, Robert (2010) The 2006 slow slip event and nonvolcanic tremor in the Mexican subduction zone. Geophysical Research Letters, 37 . Art. No. L24301 . ISSN 0094-8276. doi:10.1029/2010GL045424.

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[img] Plain Text (Maximum energy and total fault slip estimate of the NVT during the 2006 SSE.) - Supplemental Material
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Postscript (NVT energy spectrum.) - Supplemental Material
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Postscript (Daily spectrogram of the NS component record on the ARIG broad band seismic station.) - Supplemental Material
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Postscript (Energy attenuation of the NVT long-lasting bursts.) - Supplemental Material
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Postscript (Graphic explanation of the parameters used in the En fitting expression.) - Supplemental Material
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Postscript (Dislocation model in the elastic half-space that fits plausibly the 2006 SSE GPS final displacements along the profile oriented perpendicular to the trench axis.) - Supplemental Material
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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.

Item Type:Article
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URLURL TypeDescription DOIArticle
Kostoglodov, Vladimir0000-0001-7169-3121
Husker, Allen0000-0003-1139-0502
Cotte, Nathalie0000-0002-1596-0755
Clayton, Robert0000-0003-3323-3508
Additional Information:© 2010 American Geophysical Union. Received 8 September 2010; revised 13 October 2010; accepted 18 October 2010; published 16 December 2010. This study was supported by PAPIIT IN103808, CONACYT 84544, SEP‐CONACYT‐ANUIES‐ECOS M06‐ U02, I832 (G‐GAP) ANR, ANR‐06‐CEXC‐005 (COHERSIS), and ERC advanced 227507 “WHISPER” grants. The MASE experiment of the Caltech Tectonics Observatory was funded by the Gordon and Betty Moore Foundation. Contribution 82 from the Caltech Tectonics Observatory.
Group:Caltech Tectonics Observatory, Seismological Laboratory
Funding AgencyGrant Number
Programa de Apoyo a Proyectos de Investigación e Innovación Tecnológica (PAPIIT)IN103808
Consejo Nacional de Ciencia y Tecnología (CONACYT)84544
European Research Council (ERC)227507
Gordon and Betty Moore FoundationUNSPECIFIED
Subject Keywords:nonvolcanic tremor; slow slip events; subduction zone
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Tectonics Observatory82
Record Number:CaltechAUTHORS:20110124-144408477
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Official Citation:Kostoglodov, V., A. Husker, N. M. Shapiro, J. S. Payero, M. Campillo, N. Cotte, and R. Clayton (2010), The 2006 slow slip event and nonvolcanic tremor in the Mexican subduction zone, Geophys. Res. Lett., 37, L24301, doi:10.1029/2010GL045424
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21867
Deposited By: Tony Diaz
Deposited On:25 Jan 2011 21:53
Last Modified:09 Nov 2021 16:01

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