Bulletin of the Seismological Society of America
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Bulletin of the Seismological Society of America; October 1964; v. 54; no. 5A; p. 1529-1535
© 1964 Seismological Society of America
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On the possibility of the seismic detection of explosions from the signs of first onsets

A. E. SCHEIDEGGER

UNIVERSITY OF ILLINOIS, URBANA, ILLINOIS

Abstract

It is shown that, for an earthquake region, critical areas can be derived inside which one would expect seismic stations to observe a dilatation in the first onsets. Thus, if compressions are observed inside the critical area, one has grounds for the assumption that the "earthquake" was an explosion. As an example, critical areas are calculated for Turkmenia and the Tien Shan region.






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