Phase Statistics of Seismic Coda Waves

D. Anache-Ménier, B. A. van Tiggelen, and L. Margerin

Phys. Rev. Lett. 102, 248501 – Published 16 June 2009

Abstract

We report the analysis of the statistics of the phase fluctuations in the coda of earthquakes recorded during a temporary experiment deployed at Pinyon Flats Observatory, California. The observed distributions of the spatial derivatives of the phase in the seismic coda exhibit universal power-law decays whose exponents agree accurately with circular Gaussian statistics. The correlation function of the phase derivative is measured and used to estimate the mean free path of Rayleigh waves.

Received 12 January 2009

DOI:https://doi.org/10.1103/PhysRevLett.102.248501

Authors & Affiliations

D. Anache-Ménier and B. A. van Tiggelen

Laboratoire de Physique et de Modélisation des Milieux Condensés, Université Joseph Fourier/CNRS, BP 166, 38042 Grenoble, France

L. Margerin

Centre Européen de Recherche et d’Enseignement des Géosciences de l’Environnement, Université Aix Marseille/CNRS, BP 80, 13545 Aix en Provence, France

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Issue

Vol. 102, Iss. 24 — 19 June 2009

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