Multiple choice When does excarpment develop ? When a block steps down along a fault plane. When a block moves down vertically along a fault plane. When a block moves horizontally along a fault plane. When a block moves upward along a fault plane. Reveal answer Fill a bubble to check yourself B Correct answer Explanation An escarpment is a steep slope or long cliff that occurs from erosion or faulting and separates two areas of differing elevations. It typically forms when a block moves vertically along a fault plane.