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Generation of isoseismal maps for Mexico using velocity and acceleration data

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  • Lenin Ávila-Barrientos
  • Carlos Valdés-González
  • David Novelo-Casanova

Abstract

Acceleration and velocity data of large earthquakes recorded by the Mexican National Broadband Seismological Network were used to generate isoseismal maps for Mexico. The seismic data consist of 99 events recorded at 27 seismic stations located in the southern and northern regions of Mexico from 2004 to 2009. The magnitude (Mw) of these events ranged from 4.1 to 7.1. Peak ground velocity values (PGV) and peak ground accelerations (PGA) were estimated, and velocity-derived peak ground accelerations (PGAv) were calculated. No important differences between PGAv and PGA values were found; thus, both parameters were used in the isoseismal determination. The generated synthetic isoseismal maps were compared with those from an existing catalog for large earthquakes in Mexico. Using empiric relations between PGA and MMI (modified Mercalli intensity) and PGV and MMI, the obtained simulated intensity maps showed similar behavior to those reported in the catalog. The results indicate that the PGAv values can be used to determine intensities when acceleration records (PGA) are unavailable. Copyright Springer Science+Business Media B.V. 2011

Suggested Citation

  • Lenin Ávila-Barrientos & Carlos Valdés-González & David Novelo-Casanova, 2011. "Generation of isoseismal maps for Mexico using velocity and acceleration data," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 59(2), pages 655-664, November.
    • Handle: RePEc:spr:nathaz:v:59:y:2011:i:2:p:655-664
    DOI: 10.1007/s11069-011-9786-8
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    References listed on IDEAS

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    1. Vincenzo Convertito & Raffaella De Matteis & Luciana Cantore & Aldo Zollo & Giovanni Iannaccone & Mauro Caccavale, 2010. "Rapid estimation of ground-shaking maps for seismic emergency management in the Campania Region of southern Italy," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 52(1), pages 97-115, January.
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