Maximal radius of the aftershock zone in earthquake networks

A.Yu. Mezentsev and M. Hayakawa

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 17, 3621-3628

Abstract: In this paper, several seismoactive regions were investigated (Japan, Southern California and two tectonically distinct Japanese subregions) and structural seismic constants were estimated for each region. Using the method for seismic clustering detection proposed by Baiesi and Paczuski [M. Baiesi, M. Paczuski, Phys. Rev. E 69 (2004) 066106; M. Baiesi, M. Paczuski, Nonlin. Proc. Geophys. (2005) 1607–7946], we obtained the equation of the aftershock zone (AZ). It was shown that the consideration of a finite velocity of seismic signal leads to the natural appearance of maximal possible radius of the AZ. We obtained the equation of maximal radius of the AZ as a function of the magnitude of the main event and estimated its values for each region.

Keywords: Seismicity; Seismic clusters detection; Aftershock zone; Radius of the aftershock zone (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:17:p:3621-3628

DOI: 10.1016/j.physa.2009.04.014

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