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Summit caldera, Mauna Loa, Hawaii
Frozen lava lake in Summit caldera, Mauna Loa shield volcano Hawaii Volcanoes National Park. (170918s-78)
Download ImageEdge of summit caldera, Mauna Loa
Western edge of summit caldera, Mauna Loa –showing pressure ridges in frozen lava lake and older basaltic lava flows. Mauna Kea shield volcano in background. Hawaii Volcanoes National Park. (170918s-68)
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Edge of summit caldera, Mauna Loa
Western edge of summit caldera, Mauna Loa –showing pressure ridges in frozen lava lake and older basaltic lava flows. Pahoehoe flow in foreground is cut off by caldera ring fault. Hawaii Volcanoes National Park. (170918s-68)
Download ImageFrozen lava lake, Mauna Loa
Frozen lava lake; summit of Mauna Loa shield volcano in background. Not the extrusions along fractures on either side of the surface in the foreground. Hawaii Volcanoes National Park. (170918s-55)
Download ImageSummit caldera, Mauna Loa, Hawaii
Frozen lava lake in Summit caldera, Mauna Loa shield volcano. View westward to mountain’s summit. Hawaii Volcanoes National Park. i(170918s-78)
Download ImageSummit caldera and fractures, Mauna Loa, Hawaii
Summit caldera and ring fractures, Mauna Loa shield volcano, Hawaii Volcanoes National Park. (170918s-11f)
Download ImageBasaltic lava flows in crater
Lua Poholo, a crater on the edge of Mauna Loa summit caldera, Hawaii Volcanoes National Park. (170917s-79)
Download ImageHiker on frozen lava lake, Mauna Loa
Hiker on frozen lava lake in the north pit of Mauna Loa caldera. Hawaii Volcanoes National Park. (170917s-74)
Download ImageCinder cone and lava flows, Mauna Loa
Cinder cone and basaltic lava flows, Mauna Loa shield volcano. Hawaii Volcanoes National Park. (170917s-49)
Download ImageCinder cone and tephra, Mauna Loa
Cinder cone (Steaming Cone) and tephra, Mauna Loa, Hawaii Volcanoes National Park. (170917s-37)
Download ImageAa and pahoehoe flows and cinder cone
Aa and pahoehoe basaltic lava flows and cinder cone, Mauna Loa volcano, Hawaii Volcanoes National Park. (170917s-35)
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Spatter cones, Mauna Loa volcano
Spatter cones, Mauna Loa volcano. Hawaii Volcanoes National Park. (170917s-29)
Download ImageCinder cones on Mauna Loa (Pan)
Cinder cones along NE rift of Mauna Loa shield volcano, Hawaii Volcanoes National Park. (170916s-32)
Download ImageBasalt flows in sea cliffs, Hawaii
Basalt flows in sea cliffs, near Captain Cook, Hawaii (170915s-14)
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Basalt flows in sea cliffs, Hawaii
Basalt flows in sea cliffs, Hawaii Volcanoes National Park. (170914s-9)
Download ImageKilauea caldera, Hawaii
Kilauea caldera and steam, Hawaii Volcanoes National Park. (170914s-3)
Download ImageSurf and sea cliffs, Hawaii
Waves crashing against sea cliffs of basalt lava flows. Hawaii Volcanoes National Park. (170914-53)
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