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A'a Topography, December 1974 Lava Flow, Kilauea, Hawaii
28. A’a Topography, December 1974 Lava Flow, Kilauea, Hawaii

The radar roughness of the December 1974 Kilauea lava flow was investigated using a template that measured the undulations of the surface at an interval of 2 centimeters horizontal spacing. This part of the a’a flow is about 5 kilometers away from the vent. Compare this view with the roughness of typical pahoehoe flows (slide #29).

Photograph courtesy of L. Gaddis.

Right click here to download a high-resolution version of the image (8.94 MB)


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