Retrieval of reflections from seismic background-noise measurements

Details Retrieval of reflections from seismic background-noise measurements Retrieval of reflections from seismic background-noise measurements

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3404305d&link_type=abstract

Geophysical Research Letters, Volume 34, Issue 4, CiteID L04305

Physics

Geophysics

33

Exploration Geophysics: Data Processing, Exploration Geophysics: Seismic Methods (3025, 7294), Exploration Geophysics: Instruments And Techniques, Seismology: Body Waves

Scientific paper

The retrieval of the earth's reflection response from cross-correlations of seismic noise recordings can provide valuable information, which may otherwise not be available due to limited spatial distribution of seismic sources. We cross-correlated ten hours of seismic background-noise data acquired in a desert area. The cross-correlation results show several coherent events, which align very well with reflections from an active survey at the same location. Therefore, we interpret these coherent events as reflections. Retrieving seismic reflections from background-noise measurements has a wide range of applications in regional seismology, frontier exploration and long-term monitoring of processes in the earth's subsurface.

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