Analyses of seismic waves generated by small explosions.

@inproceedings{Okada1963AnalysesOS,
  title={Analyses of seismic waves generated by small explosions.},
  author={Hiroshi Okada},
  year={1963}
}
Seismic waves generated by small explosions were studied at distances from 4 m to about 100 m from the source. The near-surface zone in the present experimental site was characterized by clay and watery sand which were stratified approximately by three layers. In the present experiment, four types of waves, each of which was characterized by different periods and phase velocities, were observed. They were designated respectively as wave group I. wave group II, wave group III and wave group IV… CONTINUE READING

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