Geologica Belgica

1374-8505 2034-1954

 

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Didier LEYNAUD, Denis JONGMANS, Hervé TEERLYNCK & Thierry CAMELBEECK

Seismic hazard assessment in Belgium

(volume 3 (2000) — number 1-2)
Article
Open Access

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Abstract

The seismic hazard assessment has been conducted on the Belgian territory conforming to Eurocode 8, the European earthquake building code. The study was performed using the seismological database of the Royal Observatory of Belgium and the publications and open reports available for geological and geophysical data. The seismic hazard in Belgium was evaluated with a probabilistic analysis, using the public software SEISRISK III from the U.S. Geological Survey. The output consists of hazard maps showing the distribution of the horizontal peak ground acceleration for a return period of 475 years. Different maps are presented according to the choices that can be made on the attenuation laws and the definition of the seismic source zones. The computations have been made assuming that all Belgian territory is constituted by rock, as requested by Eurocode 8.

Keywords : seismic hazard, probabilistic assessment, peak ground acceleration, Eurocode 8, Belgium

Para citar este artículo

Didier LEYNAUD, Denis JONGMANS, Hervé TEERLYNCK & Thierry CAMELBEECK, «Seismic hazard assessment in Belgium», Geologica Belgica [En ligne], volume 3 (2000), number 1-2, 67-86 URL : https://popups.ulg.ac.be/1374-8505/index.php?id=1912.

Acerca de: Didier LEYNAUD

Laboratory of Engineering Geology and Applied Geophysics, Liège University, Bat. B19, 4000 Liège.

Acerca de: Denis JONGMANS

Laboratory of Engineering Geology and Applied Geophysics, Liège University, Bat. B19, 4000 Liège.

Acerca de: Hervé TEERLYNCK

Laboratory of Engineering Geology and Applied Geophysics, Liège University, Bat. B19, 4000 Liège.

Acerca de: Thierry CAMELBEECK

Royal Observatory of Belgium, Avenue Circulaire, 3, 1180 Bruxelles.