Routine estimation of earthquake source complexity: the 18 October 1992 Colombian earthquake

C. J. Ammon, T. Lay, A. A. Velasco, J. E. Vidale

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

The paper describes two methods, suitable for routine application to teleseismic recordings that characterize the time history of seismic events. Stacking short-period signals from large regional arrays provides stable estimates of high-frequency radiation from the source, and an empirical Green's function deconvolution procedure extracts reliable, broadband time functions suitable for analysis of faulting complexity and the spatio-temporal extent of rupture. Combined, these procedures characterize the source radiation of large events (Ms > 7) between 200- and 0.5-sec periods. -Authors

Original languageEnglish (US)
Pages (from-to)1266-1271
Number of pages6
JournalBulletin - Seismological Society of America
Volume84
Issue number4
StatePublished - Jan 1 1994

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geochemistry and Petrology

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