At least one fissure that had become dormant in the Kilauea eruption area in Puna, Hawaii, became active again on Tuesday, May 15. By morning on Wednesday, several fissures were open and active, according to Hawaii News Now.Two more fissures also had opened, bringing the total to 21 since the first eruptions on May 3, HNN reported.Meanwhile, explosions and ash clouds were reportedly seen at Kilauea’s summit, indicating potential steam-driven explosions may come. Rocks up to two feet in size were found in a nearby parking lot.This video gives an aerial view of the fissures on May 16. Credit: USGS via Storyful