WSKG (https://wskg.org/npr_story_post/hawaiis-kilauea-volcano-eruption-creates-600-foot-deep-lava-lake/attachment/crews-observe-the-continuing-eruption-in-halemaumau-at-kilauea-in-the-early-morning-of-dec-28-overnight-the-western-vent-in-the-wall-of-halemaumau-continued-to-erupt/)