Abstract:Records of near-source (0.3 to 20 km) primary seismic waves generated by the Hardhat, Haymaker, and Shoal underground nuclear explosions were analyzed in terms of displacement amplitude and energy variations with distance. The observed data were compared to similar data from a theoretical source model to determine the adequacy of the theoretical model.
There was evidence that a long-period displacement field existed near the explosions as predicted by the theoretical source. Scatter in the obser… Show more
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