Graduate Thesis Or Dissertation

 

Primary seismic wave (P) at 250-350 km compared to measured wave to 0.3 km from GNOME nuclear explosion Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/v405sc78z

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  • The first cycle of seismic waves recorded at distances of 45, 300 and 355 km. from the GNOME nuclear explosion was used to determine whether the near source wave characteristics at 0.3 km. could be determined from distance measurements. Both head wave and body wave propagation were considered. First the recorded signals at distance were inversely propagated back to the near source region as head waves, and secondly, the measured source at 0.3 km. was propagated out to 300 km. from the source as a body wave. In both cases, restricted comparisons between theory and observation can be made, but the comparison appears to favor the body wave type of propagation. More research is needed to make a more conclusive choice between the two modes of propagation. Methods were developed which can be used to determine source motion from distance measurements when the data are sufficient to do so.
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