Shear-wave velocity structure in North America from large-scale waveform inversions of surface waves

D. Alsina, Dept. of Theoretical Geophysics, Utrecht University

R. Woodward, Albuquerque Seismological Laboratory, United States Geological Survey

R. Snieder, Dept. of Theoretical Geophysics, Utrecht University

What follows is a summary of a paper recently published in the Journal of Geophysical Research. The complete reference for this paper is:

• Alsina, D., R. L. Woodward, and R. Snieder, Shear-wave velocity structure in North America from large-scale waveform inversions of surface waves, J. Geophys. Res., 101, 15969-15986, 1996.

The text and figures shown here are not directly from the JGR paper but were made up for an AGU presentation:

• D. Alsina, R.L. Woodward, and R. Snieder, Upper mantle shear velocity structure of North America, EOS Trans. AGU, 76, 422, 1995.

If you are already familiar with the JGR paper you may want to skip the text and go directly to the figures (essentially these are color versions of what appears in JGR). The figures are available as GIF files, for on-screen viewing, or as color postscript files, for downloading and printing on your own color printer.

Table of Contents

• Abstract (from EOS)
• Method and Theory
• Data
• Results: Data Fit
• Results: Models
• Resolution Analysis
• Conclusions
• Index to GIF versions of all figures
• Index to postscript versions of all figures

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