A tieoretical attenuation model for earthquakeinduced ground motion

S. Ólafsson, R. Sigbjörnsson

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


A theoretical attenuation model of earthquake-induced ground motion is presented and discussed. This model is related directly to physical quantities such as source and wave motion parameters. An attenuation formula for rms acceleration of ground motion is derived and verified using acceleration data from moderate-sized earthquakes recorded in Iceland from 1986 to 1997. The source parameters and the crustal attenuation are computed uniformly for the applied earthquake data. Furthermore, attenuation formulas for peak ground acceleration are put forward.

Original languageEnglish
Pages (from-to)287-315
Number of pages29
JournalJournal of Earthquake Engineering
Issue number3
Publication statusPublished - 1999

Bibliographical note

Funding Information:
The research presented in this paper was supported with grants from the Icelandic Research F'und for Graduate Students and the University of Iceland Research hnd. Comments add suggestions by Nicholas N. Arnbraseys and David M. Boore are gratefully acknowledged.

Other keywords

  • Attenuation formula
  • Fourier spectrum
  • Peak acceleration
  • Rms acceleration
  • Source model


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