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  • 11
    Electronic Resource
    Electronic Resource
    Correlation of earthquakes with lunar orbital motions (1970)
    Springer
    Earth, moon and planets 2 (1970), S. 140-143 
    Details
    ISSN: 1573-0794
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract An apparent correlation of earthquakes with the coincidence of lunar perigee and new Moon is shown to be a consequence of the correlation of perigee with new Moon. The correlation is specious.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561957
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  • 12
    Electronic Resource
    Electronic Resource
    Lunar–solar periodicities of large earthquakes in southern California (1983)
    [s.l.] : Nature Publishing Group
    Nature 304 (1983), S. 21-25 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Large earthquakes in southern California with epicentres between 33 and 36° N have statistically significant 12-hourly, lunar fortnightly and 18.6-yr periodicities. Smaller earthquakes in the same region do not display these periodicities. A search for tidal effects associated with these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/304021a0
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  • 13
    Electronic Resource
    Electronic Resource
    Delineation of the North Central Italian upper mantle anomaly (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 238-239 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Over the past 20 years intensive efforts have been made to study details of the cross-section of the crust and upper mantle in the European-Mediterranean area. As a result of these studies, several zones were delineated1'2, such as the Western Mediterranean, the Tyrrhenian Sea, the Adriatic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/296238a0
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  • 14
    Electronic Resource
    Electronic Resource
    Lithospheric Momenta and the Deceleration of the Earth (1972)
    [s.l.] : Nature Publishing Group
    Nature 237 (1972), S. 93-95 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The site where the forces of deceleration are applied to the rotating Earth is still uncertain. Jeffreys2 proposed that the locus of these forces is tidal effects in shallow seas, especially in the Bering Sea. Munk and MacDonald1 have disputed the estimates of the magnitude of the tidal drag and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/237093a0
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  • 15
    Electronic Resource
    Electronic Resource
    Intermediate-term prediction of occurrence times of strong earthquakes (1988)
    [s.l.] : Nature Publishing Group
    Nature 335 (1988), S. 690-694 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Pattern recognition procedures for infrequent events are adapted to the problem of identifying patterns of clustering of small- and intermediate-scale seismicity before large earthquakes. Identification procedures derived from analysis of large California and Nevada earthquakes yield a high success ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/335690a0
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  • 16
    Electronic Resource
    Electronic Resource
    Predicting the overall properties of composite materials with small-scale inclusions or cracks (1989)
    Springer
    Pure and applied geophysics 131 (1989), S. 551-576 
    Details
    ISSN: 1420-9136
    Keywords: Composite materials ; elastic waves ; cracked materials
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract This paper will summarise the present state of knowledge concerning the elastic and dissipative properties of composite materials in the long wavelength or static approximation. In this case the material, although containing numerous inclusions or cracks or other types of microstructure, can be regarded as a continuum. Established results are listed for the elastic parameters following a review of approximate and exact methods of their derivation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00876264
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  • 17
    Electronic Resource
    Electronic Resource
    Age of East Antarctica from surface wave dispersion (1978)
    Springer
    Pure and applied geophysics 117 (1978), S. 806-815 
    Details
    ISSN: 1420-9136
    Keywords: Antarctica ; Age of ; Surface wave disperison ; Precambrian shields
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Rayleigh wave dispersion measurements across East Antarctica give high phase velocities to periods as long as 75 sec. These are characteristic of the other Precambrian shields of the world.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879981
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  • 18
    Electronic Resource
    Electronic Resource
    Comment on ‘migration of historical earthquakes in California’ by C.-Y. King and Z. Ma (1990)
    Springer
    Pure and applied geophysics 133 (1990), S. 547-551 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00878005
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  • 19
    Electronic Resource
    Electronic Resource
    Instability in a delay-PDE model of earthquake occurrence (1991)
    Springer
    Journal of nonlinear science 1 (1991), S. 279-288 
    Details
    ISSN: 1432-1467
    Keywords: creep ; time-delays ; infinite-dimensional systems ; earthquakes ; 45K05 ; 73N10 ; 62MXX ; 91.30.Px. 05.40.+j ; 02.50.+s
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Summary Ductile deformation prior to brittle fracture in rocks causes fracture to take place with a time delay after the critical stress for fracture is reached, in the presence of an increasing load stress. We discuss the stability of a stochastic model of interactive earthquake occurrence under the influence of time delays resulting from the ductile process. A threshold for oscillatory behavior is found for large enough coupling and discrete time delays. The system is stable if the time delays are spread over a broad time interval, even for large coupling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01238815
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  • 20
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    Unknown
    Noncausality of numerical models of dynamic fracture growth (2006)
    Details
    Publication Date: 2019-11-04
    Description: Discretization of the wave operator for purposes of solving problems in the dynamics of crack growth numerically, introduces noncausality associated with the nonlinearity of the fracture criterion at the edge of the crack, i.e. with an imperfect formulation of the fracture criterion in the discretized case. The noncausality can be attributed to jumps from one inertial coordinate system to another as successive particles at the edge of a digitized crack are triggered into motion. It is shown that there is an equivalent explanation in terms of the incompatibility of the short-range edge conditions and the long-range correlations of slip on the crack in the discretized case. The noncausal effects can lead to supersonic crack growth, and in some cases to infinite crack growth velocities. A proposal for amelioration of the problem is offered.
    Description: JCR Journal
    Description: open
    Keywords: nonlinearity ; fracture ; noncausality ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 2071370 bytes
    Format: application/pdf
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