Alternative terms and synonyms frequently used to describe subsidence include ground sinking, settlement, land depression, earth collapse, soil consolidation, and structural settling. In geotechnical and geological contexts, it refers to the downward vertical movement of the Earth's surface or a building structure relative to sea level or surrounding terrain. While "settlement" often describes minor, expected initial building compression following new construction, "subsidence" typically denotes problematic, uneven downward ground movement.
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