Proceedings of the Colloquium on Detection of Underground Nuclear ExplosionsAcoustics and Seismics Laboratory, Institute of Science and Technology, University of Michigan, 1962 - Seismology - 478 pages |
Contents
Depth of Focus Epicenter Location and Aftershocks | 1 |
Opening Remarks Lee A DuBridge | 2 |
Mechanism at the Focus Seismic Wave Propagation | 125 |
1 other sections not shown
Common terms and phrases
aftershocks amplifier amplitude approximately autocovariance azimuth BENIOFF California cepstrum components cross-power spectra crust crustal CYCLES PER SECOND depth of focus detection determine direction distance earth earthquake epicenter example FIGURE 11 FIGURE 9 filter focal depth frequency series function galvanometer granite high frequencies horizontal improve indicated input instrument isotropic isotropic processor Kamchatka earthquakes km/sec layer long-period Love waves magnetic tape master station matrix measurements modes motion Nevada nuclear explosion number of seismometers observed optimum isotropic output Pasadena peak pendulum period phase velocity plotted Pn arrival point source polarization power spectra problem processing system propagation radiation range Rayleigh and Love Rayleigh waves record SAN DIEGO sediments seismic waves seismograph seismometers short-period shot point shown in Figure shows signal and noise signal-to-noise ratio structure studies subroutines surface waves techniques transducer VELA UNIFORM vertical wave number Wiener wind velocity