Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea's sporadic eruption resumed. The eruption continued into early Wednesday. The eruption restarted at midday Tuesday when molten rock began pouring out of a vent in Kilauea's summit caldera, the Hawaiian Volcano Observatory said in a statement. The lava was contained within the caldera inside Hawaii Volcanoes National Park and wasn't affecting any residential areas. The volcano on the Big Island of Hawaii has been erupting on-and-off since Dec. 23.