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  • 1
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    In:  Geophys. Res. Lett., Hannover, Bundesanstalt für Geowissenschaften und Rohstoffe, vol. 18, no. 7057, pp. 2011-2014, pp. L03607
    Publikationsdatum: 1991
    Schlagwort(e): Seismicity ; Chaotic behaviour ; Statistical investigations ; Modelling ; GRL
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    In:  J. Geophys. Res., Beijing, Pergamon, vol. 108, no. B6, pp. ESE 4-1 to ESE 4-21, pp. 2307
    Publikationsdatum: 2003
    Beschreibung: We analyze evolving stress and seismicity generated by three realizations of a discrete model of a strike-slip fault in a 3D elastic half-space using five functions of stress and five functions of seismicity. The first model (F) has realistic dynamic weakening (static minus dynamic frictions), the second (FC) has zero critical dynamic weakening, and the third (SYS) is constrained to produce only system-size events. The results for model F show cyclical development, saturation, and destruction of fluctuations and long range correlations on the fault, punctuated by the system-size events. The development stage involves evolution of stress and seismicity to distributions having broad ranges of scales, evolution of response functions toward scale-invariant behavior, increasing seismicity rate and event sizes, and increasing hypocenter diffusion. Most functions reach asymptotically stable values around 2/3 of the cycle and then fluctuate until one event cascades to become the next large earthquake. In model FC the above evolution is replaced by scale-invariant statistical fluctuations, while in model SYS the signals show simple cyclic behavior. The results suggest that large earthquake cycles on heterogeneous faults with realistic positive dynamic weakening are associated with intermittent criticality, produced by spontaneous evolution of stress heterogeneities toward a critical level of disorder having a broad range of scales. The stress evolution and development of large earthquake cycles may be tracked with seismicity functions.
    Schlagwort(e): Recurrence of earthquakes ; Chaotic behaviour ; SOC ; Inhomogeneity ; Fault zone ; Stress ; Seismicity ; 3220 ; Mathematical ; Geophysics: ; Nonlinear ; dynamics ; 7209 ; Seismology: ; Earthquake ; dynamics ; and ; mechanics ; 7223 ; Seismic ; hazard ; assessment ; and ; prediction ; 7260 ; Theory ; and ; modeling ; 8164 ; Tectonophysics: ; Stresses--crust ; and ; lithosphere ; JGR
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    In:  Geophys. Res. Lett., Basel, Birkhäuser Verlag, vol. 27, no. 5, pp. 597-600, pp. 2342, (ISBN: 0534351875, 2nd edition)
    Publikationsdatum: 2000
    Schlagwort(e): Seismicity ; Statistical investigations ; Chaotic behaviour ; SOC ; Earthquake precursor: prediction research ; Earthquake precursor: statistical anal. of seismicity ; 3220 ; Mathematical ; geophysics ; (new ; field) ; Nonlinear ; dynamics ; 7223 ; Seismology ; Seismic ; hazard ; assessment ; and ; prediction ; 7260 ; Theory ; and ; modeling ; Modelling ; Earthquake hazard ; Non-linear effects ; Dynamic ; GRL
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    In:  J. Geodynamics, Basel, Birkhäuser Verlag, vol. 35, no. 1-2, pp. 157-172, pp. 2342, (ISBN: 0534351875, 2nd edition)
    Publikationsdatum: 2003
    Schlagwort(e): Seismicity ; Vogtland ; Seismology ; SOC ; Chaotic behaviour ; JGD
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    In:  J. Geophys. Res., Basel, Birkhäuser Verlag, vol. 107, no. B12, pp. ESE 5-1 to ESE 5-9, pp. 1029, (ISBN: 0534351875, 2nd edition)
    Publikationsdatum: 2002
    Schlagwort(e): Earthquake ; FractureT ; Chaotic behaviour ; spring ; block ; Modelling ; Germany ; Czech ; Republic ; JGR
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    Unbekannt
    In:  Geophys. Res. Lett., Taipei, Ges. f. Geowissenschaften e.V., vol. 17, no. 11-12, pp. 223-226, pp. 1307, (ISSN 0343-5164)
    Publikationsdatum: 1990
    Schlagwort(e): Earthquake precursor: prediction research ; Chaotic behaviour ; GRL
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    Unbekannt
    In:  Geophys. J. Int., Taipei, Ges. f. Geowissenschaften e.V., vol. 111, no. 11-12, pp. 259-269, pp. 1307, (ISSN 0343-5164)
    Publikationsdatum: 1992
    Schlagwort(e): Chaotic behaviour ; FractureT ; Seismicity ; Statistical investigations ; SOC ; GJI
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    Unbekannt
    In:  Nippon Kenchiku Gakkai Kozokei Ronbunshu (Journal of Structural and Construction Engineering), Amsterdam, Elsevier Scientific Publishing Company, vol. 33, no. 498, pp. 59-66, pp. 2265, (ISSN: 1340-4202)
    Publikationsdatum: 1997
    Beschreibung: An earthquake early warning system has been developed to obtain real-time profile of impending ground motion in order to minimize earthquake hazard. The system is designed to analyze the P-wave portion of earthquake signal and instantaneously evaluate earthquake parameters such as magnitude, epicentral distance and focal depth. Neural networks are employed to add self-learning functions to the existing system and to reduce the error of estimation for site-specific applications. The neural network has been successfully trained with recorded data to produce accurate and informative earthquake parameters.
    Schlagwort(e): Early warning systems (earthquakes, volcanic eruptions, tsunamis etc.) ; Seismology ; Chaotic behaviour ; Data analysis / ~ processing ; Japan ; Artificial intelligence (AI) ; Seismometer ; Waves ; Magnitude ; Source parameters ; Detectors ; Seismic networks ; computer ; application ; system ; Instruments
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
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    Unbekannt
    In:  Phys. Earth Plan. Int., New York, Allerton Press, vol. 61, no. 1-4, pp. 1-7, pp. 2152, (ISSN: 1340-4202)
    Publikationsdatum: 1990
    Schlagwort(e): Chaotic behaviour ; Non-linear effects ; Earthquake precursor: prediction research ; FractureT ; PEPI
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
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    Unbekannt
    In:  Bull. Seism. Soc. Am., San Francisco, Pergamon, vol. 85, no. B3, pp. 1299-1308, pp. 1447, (ISSN: 1340-4202)
    Publikationsdatum: 1995
    Schlagwort(e): Chaotic behaviour ; Statistical investigations ; Earthquake hazard ; Gutenberg-Richter magnitude frequency b-value ; FractureT ; b-value ; fractal ; Rock mechanics ; BSSA
    Standort Signatur Erwartet Verfügbarkeit
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