COURTESY USGS / APRIL 15
Eruptive activity continues within Halemaumau Crater at the summit of Kilauea on April 15. Since the beginning of this eruption on Sept. 29, 2021, the crater floor has seen a total rise of about 325 feet. The volume of lava effused since the beginning of this eruption was approximately 18 billion gallons as measured on April 6, according to USGS.