subsidence  search
RTconvection
 crater lakes
 downwelling
 interior
 land subsidence
 mantle
 neotectonics
 slabs
 subduction
 tectonics
 uplifts
 upwelling
 vertical movements
SNUsed for large, regional tectonic subsidence. For localized subsidence caused by mining or ground water withdrawal, use land subsidence. For oceanography, see downwelling.