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Rapid estimation of ground-shaking maps for seismic emergency management in the Campania Region of southern Italy

Author

Listed:
  • Vincenzo Convertito
  • Raffaella De Matteis
  • Luciana Cantore
  • Aldo Zollo
  • Giovanni Iannaccone
  • Mauro Caccavale

Abstract

Strong ground-shaking mapping soon after a moderate-to-large earthquake is crucial to recognize the areas that have suffered the largest damage and losses. These maps have a fundamental role for emergency services, loss estimation and planning of emergency actions by the Civil Protection Authorities. This is particularly important for areas with high seismic risk levels, such as the Campania-Lucania Region in southern Italy. Taking advantage of the Irpinia Seismic Network (ISNet), a recently installed dense and wide dynamic seismic network, we have developed a procedure for rapid estimation of ground-shaking maps after moderate-to-large earthquakes (GRSmap). This uses an optimal data gridding scheme designed to account for bi-dimensional features of strong ground-motion fields, such as directivity, radiation patterns and focal mechanisms, to which most damage can be correlated. The basis of the mapping technique is a triangulation procedure to locally correct predicted data at the triangle barycentres where their vertices correspond to seismic stations. The method has been tested off-line using a simulated M 6.6 earthquake located at the centre of ISNet and applied to data of the 23 November 1980 Irpina M 6.9 earthquake recorded by a sparse network. This has highlighted its ability to predict peak ground-motion parameters of large magnitude earthquakes with respect to the attenuation relationships. Copyright Springer Science+Business Media B.V. 2010

Suggested Citation

  • 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.
    • Handle: RePEc:spr:nathaz:v:52:y:2010:i:1:p:97-115
    DOI: 10.1007/s11069-009-9359-2
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    References listed on IDEAS

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    1. Wen-Yu Jean & Yu-Wen Chang & Kuo-Liang Wen & Chin-Hsiung Loh, 2006. "Early Estimation of Seismic Hazard for Strong Earthquakes in Taiwan," 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. 37(1), pages 39-53, February.
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    Cited by:

    1. 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.

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