An evaluation of seismic hazard in La Hispaniola, after the 2010 Haiti earthquake

Benito Oterino, Belen; Belizaire, Dwinel; Torres Fernández, Yolanda; Martínez Díaz, José Jesús; Huérfano, Víctor; Polanco, Eugenio; Garcia, R.; González‐Crende, Pilar; Serna Martínez, Ana Rita y Zevallos, F. (2012). An evaluation of seismic hazard in La Hispaniola, after the 2010 Haiti earthquake. En: "XXXIII General Assembly European Seismological Commission", Agosto, 2012, Moscú, Rusia.


Título: An evaluation of seismic hazard in La Hispaniola, after the 2010 Haiti earthquake
  • Benito Oterino, Belen
  • Belizaire, Dwinel
  • Torres Fernández, Yolanda
  • Martínez Díaz, José Jesús
  • Huérfano, Víctor
  • Polanco, Eugenio
  • Garcia, R.
  • González‐Crende, Pilar
  • Serna Martínez, Ana Rita
  • Zevallos, F.
Tipo de Documento: Ponencia en Congreso o Jornada (Póster)
Título del Evento: XXXIII General Assembly European Seismological Commission
Fechas del Evento: Agosto, 2012
Lugar del Evento: Moscú, Rusia
Título del Libro: XXXIII General Assembly European Seismological Commission
Fecha: Agosto 2012
Escuela: E.T.S.I. en Topografía, Geodesia y Cartografía (UPM)
Departamento: Ingeniería Topográfica y Cartografía [hasta 2014]
Grupo Investigación UPM: Grupo de Investigación en Ingeniería Sísmica (GIIS) de la ETSITGC-UPM
Licencias Creative Commons: Reconocimiento - No comercial - Compartir igual

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An evaluation of the seismic hazard in La Hispaniola Island has been carried out, as part of the cooperative project SISMO-HAITI, supported by the Technical University of Madrid (UPM) and developed by several Spanish Universities, the National Observatory of Environment and Vulnerability) ONEV of Haiti, and with contributions from the Puerto Rico Seismic Network (PRSN) and University Seismological Institute of Dominican Republic (ISU). The study was aimed at obtaining results suitable for seismic design purposes. It started with the elaboration of a seismic catalogue for the Hispaniola Island, requiring an exhaustive revision of data reported by more than 20 seismic agencies, apart from these from the PRSN and ISU. The final catalogue contains 96 historical earthquakes and 1690 instrumental events, and it was homogenized to moment magnitude, Mw. Seismotectonic models proposed for the region were revised and a new regional zonation was proposed, taking into account geological andtectonic data, seismicity, focal mechanisms, and GPS observations. In parallel, attenuation models for subduction and crustal zones were revised in previous projects and the most suitable for the Caribbean plate were selected. Then, a seismic hazard analysis was developed in terms of peak ground acceleration, PGA, and spectral accelerations, SA (T), for periods of 0.1, 0.2, 0.5, 1 and 2s, using the Probabilistic Seismic Hazard Assessment (PSHA) methodology. As a result, different hazard maps were obtained for the quoted parameters, together with Uniform Hazard Spectra for Port au Prince and the main cities in the country. Hazard deaggregation was also carried out in these towns, for the target motion given by the PGA and SA (1s) obtained for return periods of 475, 975 and 2475 years. Therefore, the controlling earthquakes for short- and long-period target motions were derived. This study was started a few months after the 2010 earthquake, as a response to an aid request from the Haitian government to the UPM, and the results are available for the definition of the first building code in Haiti.

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Depositado por: CU Maria Belén Benito Oterino
Depositado el: 03 Dic 2013 12:02
Ultima Modificación: 21 Abr 2016 12:38
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