A photo from the south rim of Halema`uma`u shows a close-up view of th

A photo from the south rim of Halema`uma`u shows a close-up view of the islands margin, where it abuts the fresh lava on the lake surface. Unlike the surrounding lava lake surface, the island appears to be composed of fragments of ejecta and may have originated from violent lava/water interactions in the opening hours of the eruption when the lake was boiled off. USGS photo taken by M. Patrick on December 23.