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  • 1
    Electronic Resource
    Electronic Resource
    STRESS WAVE VELOCITY AND CRACK SYSTEM OF A MEDIUM (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 22 (1974), S. 0 
    Details
    ISSN: 1365-2478
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Physics
    Notes: Two in situ measurements of stress wave velocity in a granodiorite massif were made. Firstly, the velocities close to the source were investigated (for elimination of the influence of cracks), and secondly, the velocities in different horizontal directions over a large area were studied from the viewpoint of their dependence on the crack system of the medium. A correlation between the mutual orientation of the cracks and the maximum or minimum values of the stress wave velocities was obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2478.1974.tb00112.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Earthquake Hazard for the Czech Republic, Poland andSlovakia – Contribution to the ILC/IASPEI Global Seismic Hazard Assessment Program (2000)
    Springer
    Natural hazards 21 (2000), S. 331-345 
    Details
    ISSN: 1573-0840
    Keywords: earthquake hazard ; macroseismic intensity ; peak ground acceleration ; Czech Republic – Poland – Slovakia ; GSHAP Program
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The cross-bordering earthquake hazard mapfor three Central European countries, the CzechRepublic, Poland and Slovakia (CZ-PL-SK) in thesense of the Global Seismic Hazard AssessmentProgram (GSHAP) was elaborated both in terms ofmacroseismic intensities and in terms of peak groundaccelerations (PGA). A new earthquake parametriccatalogue for CZ-PL-SK (Schenková et al., 1999)allows the source regions to be delineated withrespect to tectonic structures. Regions for Austriaand Germany were taken from the D-A-CH area withsome modifications in the border zone with the CzechRepublic and Poland. Regions of other surroundingcountries were defined with respect to nationalearthquake catalogues and geologico-geophysical dataof Central European countries. For each sourceregion earthquake data were normalised to obtain areliable annual recurrence graph and the maximumexpected earthquakes. Attenuation laws were definedto allow more advanced earthquake hazard maps to becalculated by the standard probabilistic McGuire's(1976) approach. The obtained GSHAP hazard maps forthe CZ-PL-SK area were calculated for the returnperiod of 475 years. Besides a comparison with thehazard values for the D-A-CH area (Grünthal etal., 1995, 1996; Grünthal, 1997), the map wasalso compared with the effective ground accelerationmap for Austria (Lenhardt, 1996) and in both cases avery good coincidence was found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008110506690
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Map of isoseismals of the main Friuli earthquake of 6 May 1976 (1978)
    Springer
    Pure and applied geophysics 116 (1978), S. 1307-1313 
    Details
    ISSN: 1420-9136
    Keywords: Seismic intensity of Friuli earthquake ; Friuli earthquake ; Map of isoseismals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The isoseismal map of the North-Italian earthquake of 6 May 1976 was compiled using the contributions of the European countries lying within the shaken area. The characteristic feature of the macroseismic field is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00874689
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Seismic hazard computations for regions with low earthquake activity — A case study for the Belgium, The Netherlands and NW Germany area (1989)
    Springer
    Natural hazards 2 (1989), S. 229-236 
    Details
    ISSN: 1573-0840
    Keywords: TERESA project ; seismic hazard ; comparison of algorithms ; low earthquake activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The algorithms to evaluate seismic hazard, used and/or developed by five teams participating in the TERESA project, applied to the low seismicity area ‘Belgium, The Netherlands and NW Germany’ are compared. The main differences in the results can be explained by the majority criterion of Egozcue et al. (1989), the differences in the upper bound and zonification and, in some cases, by a higher attenuation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00127314
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Assessment of seismic hazard for the Sannio-Matese area of Southern Italy — A summary (1989)
    Springer
    Natural hazards 2 (1989), S. 217-228 
    Details
    ISSN: 1573-0840
    Keywords: Seismic hazard ; Sannio-Matese ; TERESA project ; European Seismological Commission
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract The working group on ‘Test Regions for Evaluation of Methods for Seismic Hazard Assessment in Europe (TERESA)’, consisted of 15 members from 10 different European countries. Methods and experience gathered in these countries have been compared and discussed for two test areas in Europe: the Sannio-Matese region, Southern Italy, with high seismic activity, and the border region between Belgium, The Netherlands, and Federal Republic of Germany, with low activity. This paper summarizes the results for one of the test areas, Sannio-Matese. Most of the participants used statistical procedures to assess earthquake hazard, receiving results in terms of probability of occurrence for intensity as the ground-motion parameter. It was found that careful preparation of input data and parameters is the major influencing factor, therefore most of the efforts of the working group was devoted to this task. The scatter of the obtained results of the group is considerable, mainly because of the uncertainties in the data and the subjectiveness involved in the procedures. For better control of both factors, more objective methods have to be developed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00127313
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Categorisation and Harmonisation of Probabilistic Earthquake Hazard Assessments with Respect to Statistic Representation of Input Data (1997)
    Springer
    Natural hazards 15 (1997), S. 121-137 
    Details
    ISSN: 1573-0840
    Keywords: probabilistic earthquake hazard ; categorisation and reliability of the calculations ; statistical input data estimates ; the Czech Republic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract Probabilistic hazard calculations were tested with respect to input data uncertainties. Statistical approximations of input data allow the regression coefficients and their standard deviations to be determined. Since inaccuracies of the regressions closely depend on the input data uncertainties, the standard deviations of the individual coefficients were used as a measure of input data parametrisation. Differences in the hazard outputs, caused only by various combinations of the regression coefficients and their standard deviations determined for the cumulative recurrence graph and the attenuation law, were studied. It was concluded that the hazard calculation conditions should be (a) strictly defined and always quoted with every hazard assessment, and (b) standardized in order to establish a common liability of earthquake hazard calculations. The established categorisation of the earthquake hazard assessments divides the probabilistic hazard calculations according to their reliability and helps users to apply them in earthquake engineering practice. The credible hazard assessments corresponding to 90% probability can be recommended for common structures whereas the maximum credible hazard assessments coinciding with 95% probability yield values close to hazard assessments of important structures, hospitals, bridges, etc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007931208763
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    Paper (German National Licenses)
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