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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© 1983 D. Reidel Publishing Company
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Nolet, G. (1983). Modeling of Strong Ground Motion from Earthquakes in the North Sea Area. In: Ritsema, A.R., Gürpinar, A. (eds) Seismicity and Seismic Risk in the Offshore North Sea Area. NATO Advanced Study Institutes Series, vol 99. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7046-5_28
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DOI: https://doi.org/10.1007/978-94-009-7046-5_28
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-009-7048-9
Online ISBN: 978-94-009-7046-5
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