"(a) A region offshore Costa Rica, surveyed by Langseth in 2011. (b) A 3-D view of an 11 × 55 kilometer section surveyed, showing the upper 1 kilometer of sediment cover across the upper slope. True orientations of four sets of normal faults were mapped, identified by offsets in dipping stratigraphy. The horizontal depth ""slice"" also shows fault curvature, implying localized variations in stress orientation at fault initiation. Such detailed structural interpretations on continental margins worldwide are impossible without images like these. Credit: Nathan Bangs, UTIG"
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