Abstract
THE problem of identification of earthquakes and underground explosions on a global basis, for seismic events with body wave magnitudes (mb) below 4.7 has not been solved1,2, although many partially successful discriminants have been proposed. A positive identification parameter based solely on the short period seismic data is interesting as the equivalent long period energy detection threshold is often difficult to achieve, particularly at teleseismic distances.
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References
Evernden, J. F., J. Geophys. Res., 74, 15, 3828 (1969).
SIPRI, Seismic Methods of Monitoring Underground Explosions (Almqvist and Wiksell, Stockholm, 1969).
Lincoln Laboratory, Massachusetts Institute of Technology; Technical Note, 1968-8, 1969-24; Semiannual Technical Summary (June 30, 1968), (December 31, 1968).
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Lincoln Laboratory, Massachusetts Institute of Technology, Semiannual Technical Summary (December 31, 1969).
Weichert, D. H., Z. Geophysik (in the press).
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ANGLIN, F. Physical Science: Discrimination of Earthquakes and Explosions using Short Period Seismic Array Data. Nature 233, 51–52 (1971). https://doi.org/10.1038/233051a0
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DOI: https://doi.org/10.1038/233051a0
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