Estimation of the Maximum Earthquake Magnitude, m max

Kijko, Andrzej (2004) Estimation of the Maximum Earthquake Magnitude, m max. Pure and Applied Geophysics, 161 (8). pp. 1655-1681. DOI: https://doi.org/10.1007/s00024-004-2531-4

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Official URL: http://dx.doi.org/10.1007/s00024-004-2531-4

Abstract

This paper provides a generic equation for the evaluation of the maximum earthquake magnitude m max for a given seismogenic zone or entire region. The equation is capable of generating solutions in different forms, depending on the assumptions of the statistical distribution model and/or the available information regarding past seismicity. It includes the cases (i) when earthquake magnitudes are distributed according to the doubly-truncated Gutenberg-Richter relation, (ii) when the empirical magnitude distribution deviates moderately from the Gutenberg-Richter relation, and (iii) when no specific type of magnitude distribution is assumed. Both synthetic, Monte-Carlo simulated seismic event catalogues, and actual data from Southern California, are used to demonstrate the procedures given for the evaluation of m max. The three estimates of m max for Southern California, obtained by the three procedures mentioned above, are respectively: 8.32 ± 0.43, 8.31 ± 0.42 and 8.34 ± 0.45. All three estimates are nearly identical, although higher than the value 7.99 obtained by Field et al. (1999). In general, since the third procedure is non-parametric and does not require specification of the functional form of the magnitude distribution, its estimate of the maximum earthquake magnitude m max is considered more reliable than the other two which are based on the Gutenberg-Richter relation.

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Item Type: Article
Uncontrolled Keywords: Seismic hazard, maximum earthquake magnitude m max
Subjects: Methodology > Method and procesing > Collective properties of seismicity > Source size distribution
Methodology > Method and procesing > Probabilistic seismic hazard analysis - stationary > Source effect
Project: IS-EPOS project