br pThe Coast Guard in Hawaii has enforced a temporary safety zonea around the Kamokuna Lava Delta over fears of a collapse. Lava has begun to flow underneath the surface of a black sand beach there, as seen in this video recorded on July 30.ppAccording to the uploader, a lava delta collapse previously occurred at the Kamokuna ocean entry of of the Kilauea Volcano on December 31, 2016. This can be verified with reference to reportsa.ppThis video also shows close up views of massive amounts of molten lava meeting the Pacific Ocean.