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This map shows Pu‘u ‘Ō‘ō Crater on Kīlauea Volcano's East Rift Zone on November 22, with labels of the craters main features. The black dashed line outlines where the crater rim was located in 2011. Yellow dashed lines show the current crater (center), west pit (left), and spillway vent (right). The lava pond (outlined in red) within the west pit, which formed in early 2015, was active on November 22.