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Premonitory Changes in Seismic Velocities and Prediction of Earthquakes

Nature volume 241, pages 101–104 (1973)Cite this article

Abstract

Large premonitory changes in ratio of seismic P and S velocities correlate with time of occurrence and size of earthquakes at Blue Mountain Lake, New York. These changes may be related to the opening of cracks or to changes in pore pressure.

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Author information

Authors and Affiliations

  1. Lamont-Doherty Geological Observatory of Columbia University, Palisades, New York, 10964

    YASH P. AGGARWAL, LYNN R. SYKES, JOHN ARMBRUSTER & MARC L. SBAR

Authors
  1. YASH P. AGGARWAL
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  2. LYNN R. SYKES
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  3. JOHN ARMBRUSTER
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  4. MARC L. SBAR
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AGGARWAL, Y., SYKES, L., ARMBRUSTER, J. et al. Premonitory Changes in Seismic Velocities and Prediction of Earthquakes. Nature 241, 101–104 (1973). https://doi.org/10.1038/241101a0

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  • DOI: https://doi.org/10.1038/241101a0

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