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Modeling of strong ground motion from earthquakes in the North Sea Area
Nolet, G. (1983). Modeling of strong ground motion from earthquakes in the North Sea Area, in: Ritsema, A.R. et al. (Ed.) Seismicity and seismic risk in the offshore North Sea area: Proceedings of the NATO Advanced Research Workshop, held at Utrecht, The Netherlands, June 1–4, 1982. NATO ASI Series C: Mathematical and physical sciences, 99: pp. 303-310. hdl.handle.net/10.1007/978-94-009-7046-5_28
In: Ritsema, A.R.; Gürpinar, A. (Ed.) (1983). Seismicity and seismic risk in the offshore North Sea area: Proceedings of the NATO Advanced Research Workshop, held at Utrecht, The Netherlands, June 1–4, 1982. NATO ASI Series C: Mathematical and physical sciences, 99. D. Reidel Publishing: Dordrecht. ISBN 90-277-1529-7. xxiv, 420 pp., more
In: NATO ASI Series C: Mathematical and Physical Sciences. D. Reidel: Dordrecht; Boston; Lancaster. ISSN 0258-2023, more

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  • Nolet, G.

Abstract
    This paper contains calculations of the horizontal ground motion that may result from earthquakes in the North Sea region. Two different models of the North Sea crustal structure are investigated. The synthetic seismograms contain all wide- angle reflections, refractions, their multiples and surface waves in the frequency band between 0 and 1.25 Hz. Simple approximate formulae, relating signal duration with epicentral distances, and peak or rms displacement or accelleration with magnitude, distance and sedimentary cover are presented. Due to the relatively large depth to the basement, ground motion in the North Sea is weaker than in the Western U.S. by a factor of about 3.

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