Figure 6. (a) Unmigrated stacked section of the wireless recorder data. For display purpose, three zoomed windows are shown in (b-d) where a transparent channel of reflectivity is interpreted to represent the Chugaryeong fault (F3); the domed reflective package (D1) with underlying reflections (F2), in the central part of the profile, may represent the Pocheon fault position, a crossdip correction of 10 degree to the north has been applied; an east-dipping reflection interpreted to be from the Wangsukcheon fault (F1).