A Very Shallow (0-100m) 3D Land Seismic Survey near Boulogne-sur-Mer, N-France

P131 A VERY SHALLOW (0 – 100 M) 3-D LAND SEISMIC SURVEY NEAR BOULOGNE-SUR-MER (N-FRANCE) Introduction 1 In September 2000 a very shallow 3-D seismic survey was performed on a beach just north of Boulogne-sur-Mer in Northern France. This survey has multiple objectives. One objective is to see whether predicted amplitudes from a tailor-made design could be seen in the final 3-D image (acquisition foot print). Another objective is to obtain a structural image of the upper 100 m of the subsurface so it could be verified against a very nearby geological outcrop. The last objective is to come to