subsidence crater
81Levee breach — A levee failure during the Great Mississippi Flood of 1927 …
82Iberian plate — Euramerica (Late Triassic, Norian, 220 Ma, in French). Translation: Laurentia, Greenland, Fennoscandian Shield, Saharan Shield, Iberian plate, Irish plate, Scottish plate, Massif Central, Armorican Massif, L  Ardenne, Bohemian terrane,… …
83Nintoku Seamount — Map Bathymetric mapping of Nintoku …
84caldera — ALASKA VOLCANO OBSERVATORY GLOSSARY A large crater formed by collapse or subsidence of the ground surface following a great eruption. During a typical caldera forming eruption, the magma chamber is partially emptied and large amounts of ash and… …
85caldera — /kælˈdɛərə/ (say kal dairruh) noun a large crater formed by the explosion or subsidence of the cone of a volcano. {Spanish: literally, cauldron} …
