Kilauea, one of the world’s most active volcanoes, erupted early Monday on Hawaii’s Big Island, sending out glittering torrents of lava. The U.S. Geological Survey said its Hawaiian Volcano Observatory spotted signs of an eruption in the Hawaii Volcanoes National Park around 2:30 a.m., after there was elevated earthquake activity beneath the volcano’s summit. The main hazard posed by the eruption was the potential for an increase of volcanic gas…