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Title: INFLATION AND TILTING BEFORE ERUPTION
Caption: (a) Idealized diagram of Kilauea volcano in Hawai'i illustrating inflation and surface tilting as magma moves up. The red area is the underground magma chambers that fill before an eruption. (U.S. Geological Survey Circular 1073, 1992)
Keywords: volcanoes, volcanism, volcanic eruptions, lavas, magmas, shield volcanoes, Kilauea, Hawaiian Islands, mantle plumes, hot spots