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Fumaroles along the 1975 eruptive fissures in Moku`aweoweo caldera. View to north-northeast toward the northeast rift zone and Mauna Kea (in background). Cone in lower right was built during the 1940 eruption. The caldera floor is 183 m below the summit, but note that the northern caldera rim dips to the elevation of the northeast rift zone. |
