A stream of lava from a vent at Mauna Ulu (above the top of the photo) cascades into Makaopuhi crater during an early stage of the 1969-74 Mauna Ulu eruption. A thick stack of older lava flows that were erupted along Kilauea's East Rift Zone is exposed in the Makaopuhi crater wall.

Photo by Jim Moore (U.S. Geological Survey).

Keywords: lava | lava flow | stratigraphy | crater

Kilauea