FIELD: seismic analysis.
SUBSTANCE: present invention relates in general to the field of seismic analysis and, in particular, to monitoring of subsoil and detection of anomalies in them, for example, detection of cavities under railways, automobile roads, buildings, as well as airports. For monitoring of terrestrial bowels under target area (3), seismic waves from identified mobile noise source (24) are recorded using at least one pair of sensors (22) located from both sides of target area (3), time periods are selected, corresponding to alignment of the pair of sensors (22) with noise source (24), using interferometry, a seismogram of target area (3) is restored based on recorded seismic waves and selected time periods, and an image of subsoil under target area (3) is generated based on the seismogram.
EFFECT: increase in the accuracy and information content of received data to generate an image of subsoil under a target area.
19 cl, 6 dwg
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