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Ambient Seismic Noise Analysis from Array and Borehole Networks in Svalbard, NorwayNormal access

Authors: J. Albaric, G. Hillers, D. Kuehn, D. Harris, F. Brenguier, M. Ohrnberger and V. Oye
Event name: Fifth EAGE Passive Seismic Workshop
Session: Induced Seismicity
Publication date: 28 September 2014
DOI: 10.3997/2214-4609.20142158
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 494.67Kb )
Price: € 20

Summary:
In the present study, we analyse the ambient seismic wave field recorded at two different sites in Svalbard (Norway), namely the CO2Lab and the SPITS array. The CO2Lab consists of 18 geophones deployed in shallow and deep boreholes (down to 540 m depth). The SPITS array is composed of 9 broadband stations. At each site, we compute the cross-correlation of the ambient seismic noise recorded at different pair of receivers in order to estimate the Green'function between these receivers. The objective is to characterize the frequency dependent properties of the ambient wave field and to estimate the resolution power of passive methods for future monitoring of subsurface velocity variations induced by anthropogenic and natural processes.


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