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Pahoehoe basalt and cinder cone (vertical)
Pahoehoe basalt and cinder cone, Hawaii Volcanoes National Park. (170918s-127)
Download ImagePahoehoe basalt and cinder cone
Pahoehoe basalt and cinder cone, Hawaii Volcanoes National Park. (170918s-126)
Download ImageFresh vesicular basaltic lava
Fresh vesicular basaltic lava, Hawaii Volcanoes National Park. (170918s-119)
Download ImageCinder cone and lava flows, Mauna Loa
Cinder cone (Dewey Cone) and lava flows, Mauna Loa, Hawaii Volcanoes National Park. Red flow is an older, highly oxidized aa flow; black one is a fresh pahoehoe flow.(170918s-110)
Download ImagePahoehoe and aa basalt, Mauna Loa
Pahoehoe and aa basalt, Mauna Loa. Cinder cone in background. Hawaii Volcanoes National Park. (170918s-103)
Download ImageMauna Kea Shield Volcano, Hawaii
Mauna Kea Shield Volcano, Hawaii; view from Mauna Loa in Hawaii Volcanoes National Park. (170918s-83)
Download ImageSummit 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)
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