Abstract
Decision on whether or not a specific stochastic model is an adequate description of the earthquake time series depends on (a) the characteristics of the earthquake sample (total time interval, magnitude range, inclusion or not of dependent events) and (b) the selection of counting interval,τ, which seems to be of crucial importance. Certain improvements are proposed for handling earthquake samples when tested against stochastic models. Particularly, it is proposed thatτ should be nonarbitrarily selected as equal to the mean return period of events of magnitude equal to or larger than the lower magnitude,M min, for which the data are complete. A methodological experiment has been performed using three data sets of South Aegean intermediate depth main shocks of variableM min. It is clear that the distribution gradually approaches the simple Poisson model as the counting interval decreasingly approaches a nonarbitrarily selected value, which indicates the important misleading effect of using arbitrarily selected counting intervals. The efficiency of the proposed improvements in stochastic modelling of volcanic eruption and tsunami time series is discussed.
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References
Aki, K.: 1956, Some problems in statistical seismology,Zisin 8, 205–228.
Ben-Menahem, A.: 1960, Some consequences of earthquake statistics for the years 1819–1958,Beitr. Geophys. 69, 68–72.
Comninakis, P. E. and Papazachos, B. C. 1986, A catalogue of earthquakes in Greece and the surrounding area for the period of 1901–1985, Geophys. Lab. Univ. of Thessaloniki Publ. No. 1.
Epstein, B. and Lomnitz, C.: 1966, A model for the occurrence of large earthquakes,Nature 211, 954–956.
Gutenberg, B. and Richter, C. F.: 1944, Frequency of earthquakes in California,Bull. Seism. Soc. Am. 34, 185–188.
Kárník, V., Schenková, Zd., and Schenk, VI.: 1983, Time pattern of the Thessaloniki sequence of 1978, in B. C. Papazachos and P. G. Carydis (eds.),The Thessaloniki, Northern Greece, Earthquake of June 20, 1978 and its Seismic Sequence, Technical Chamber of Greece, Thessaloniki, pp. 151–158.
Knopoff, L.: 1964, The statistics of earthquakes in Southern California,Bull. Seism. Soc. Am. 54, 1871–1873.
Knopoff, L. and Kagan, Y.: 1977, Analysis of the theory of extremes as applied to earthquake problems,J. Geophys. Res. 82, 5647–5657.
Lomnitz, C.: 1974,Global Tectonics and Earthquake Risk, Elsevier, Amsterdam.
Molnar, P.: 1979, Earthquake recurrence intervals and plate tectonics,Bull. Seism. Soc. Am. 69, 115–133.
Page, R.: 1968, Aftershocks and microaftershocks of the great Alaska earthquake of 1964,Bull. Seism. Soc. Am. 58, 1131–1168.
Papadopoulos, G. A.: 1987a, Sequences and clusterings of significant volcanic eruptions in convergent plate margins during 1900-1980,Tectonophysics 138, 211–222.
Papadopoulos, G. A.: 1987b, Large deep-focus shocks and significant volcanic eruptions in convergent plate boundaries during 1900-1980,Tectonophysics 138, 223–233.
Papadopoulos, G. A.: 1989a. Objective selection of time units in testing stochastic models of the earthquake occurrence process, Europ. Geophys. Soc.XIV General Assembly, Barcelona, 13–17 March,Ann. Geophys., Special Issue,277 (abstr.).
Papadopoulos, G. A.: 1989b, Forecasting large intermediate depth earthquakes in the South Aegean,Phys. Earth Planet. Inter. 57, 192–198.
Papadopoulos, G. A.: 1990, Deterministic and stochastic models of the seismic and volcanic events in the Santorini volcano, in D. A. Hardy, J. Keller, V. P. Galanopoulos, N. C. Flemming, & T. H. Druitt (eds.),Thera and the Aegean World, 3rd Internat. Congr. Proc., Santorini, September 1989, The Thera Foundation, London, Vol. 2, pp. 151–159.
Papadopoulos, G. A. and Voidomatis, Ph.: 1987, Evidence for periodic seismicity in the inner Aegean seismic zone,Pure Appl. Geophys. 125, 613–628.
Rao, N. M. and Kaila, K. L.: 1986, Application of the negative binomial to earthquake occurrences in the Alpide-Himalayan belt,Geophys. J. Roy. Astr. Soc. 85, 283–290.
Rikitake, T.: 1976, Recurrence of great earthquakes at subduction zones,Tectonophyics 35, 335–362.
Scandone, R.: 1983, Problems related with the evaluation of volcanic risk, in H. Tazieff and J. C. Sabroux (eds.),Forecasting Volcanic Events, Elsevier, Amsterdam, pp. 57–67.
Schenková, Z.: 1973, Model of earthquake occurrence in the European area,Pure Appl. Geophys. 109, 1700–1711.
Schenková, Z.: 1982, Statistical models of earthquake occurrences,Acta Univ. Carolin.-Math. Phys. 23, 81–84.
Schenková, Z. & Kárník, V.: 1971, Statistical and other characteristics of earthquakes in the Aegean region,Travaux Inst. Géophys. Acad. Tchécosl. Sci. 19, 149–166.
Shlien, S. and Toksöz, N.: 1970, A clustering model for earthquake occurrences,Bull. Seism. Soc. Am. 60, 1765–1787.
Singh, S. and Sanford, A.: 1972, Statistical analysis of microearthquakes near Socorro, New Mexico,Bull. Seism. Soc. Am. 62, 917–926.
Singh, S. K., Rodriguez, M., and Esteva, L.: 1983, Statistics of small earthquakes and frequency of occurrence of large earthquakes along the Mexican subduction zone,Bull. Seism. Soc. Am. 73, 1779–1796.
Sykes, L. R. and Quittmeyer, R. C.: 1981, Repeat times of great earthquakes along simple plate boundaries, in D. W. Simpson and P. G. Richards (eds.),Earthquake Prediction - An International Review, Am. Geophys. Union, Washington, D.C., pp. 217–247.
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Papadopoulos, G.A. On some problems about testing stochastic models of the earthquake time series. Nat Hazards 7, 99–108 (1993). https://doi.org/10.1007/BF00680424
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DOI: https://doi.org/10.1007/BF00680424