Caption throwback (2007): The pass is only 2.3 kilometers wide, yet the flows went on for another 500 kilometers to the west. As the lava passed through the narrows, the surface of the flow became crumpled and broken, producing a rough surface. To the southeast, the flow moved more gently and the crust was slowly pushed up by liquid lava injected into the freezing lava flow. (Read the full caption.
: 28 April 2007 altitude
: 273 kmObservation details page
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