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  • 1
    Electronic Resource
    Electronic Resource
    P-wave sections in a realistic anisotropic lithosphere (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 107 (1991), S. 0 
    Details
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The detection and evaluation of anisotropy in realistic earth structures by P-wave measurements is difficult. It is generally assumed that absolute velocity variations with azimuth must be measured but it has also been shown that heterogeneity may make it impossible to do this. It may even be impossible to establish that anisotropy has any part in the generation of the observations. We have found, however, that the whole appearance of wide-angle seismic sections generated by a realistic anisotropic lithosphere changes systematically with azimuth and propose that this can be an important diagnostic. As long as the degree of lateral heterogeneity is not too great, it is even possible to measure anisotropic structure at depth using vertical component seismic sections only.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-246X.1991.tb01430.x
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  • 2
    Electronic Resource
    Electronic Resource
    Preliminary Study of the North of England Earthquake of August 9, 1970 (1970)
    [s.l.] : Nature Publishing Group
    Nature 228 (1970), S. 835-837 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The earthquake felt over a wide area in the north of England on August 9, 1970, had the highest magnitude (4.9) for an earthquake on land in the United Kingdom since the introduction of the Richter Scale in 1935. Its epicentre lay near to the junction of the Pennine and Dent faults and the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/228835a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Teleseismic P Waves from a 10 Ton Explosion (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 305-306 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The optimum depth for an explosion is that at which the first harmonic of the surface reflexion filter (the "reverberation filter" of O'Brien3) coincides with the bubble pulse frequency. As the charge weight is increased the optimum depth increases and the frequency decreases. The WWSS network of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236305a0
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    Paper (German National Licenses)
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