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Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise

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Shapiro, N. M., Campillo, M.·2004·Geophysical Research Letters

Abstract

We demonstrate that the coherent information about the Earth structure can be extracted from the ambient seismic noise. We compute cross‐correlations of vertical component records of several days of seismic noise at different pairs of stations separated by distances from about one hundred to more than two thousand kilometers. Coherent broadband dispersive wavetrains clearly emerge with group velocities similar to those predicted from the global Rayleigh‐wave tomographic maps that have been constrained using ballistic surface waves. Those results show that coherent Rayleigh waves can be extracted from the ambient seismic noise and that their dispersion characteristics can be measured in a broad range of periods. This provides a source for new types of surface‐wave measurements that can be obtained for numerous paths that could not be sampled with the ballistic waves and, therefore, can significantly improve the resolution of seismic images.

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Crossref · 10.1029/2004gl019491

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Metadata

Authors
Shapiro, N. M., & Campillo, M.
Venue
Geophysical Research Letters
Published
2004-04-08
Volume
31
Issue
7
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1514036343
Cited by
1,497
References
8
FWCI
19.67
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise. https://app.cochat.ai/papers/10.1029/2004gl019491
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Shapiro, N. M., & Campillo, M. (2004). Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise. Geophysical Research Letters. https://doi.org/10.1029/2004gl019491

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