http://www.newsweek.com/mauna-loa-lava-flow-eruption-map-active-volcano-1762728 > Mauna Loa, the world's largest active volcano, has erupted for the first time in decades, and an interactive hazard map created by the County of Hawaii is providing real-time updates about the event. > Mauna Loa, which makes up more than 50 percent of Hawaii's Big Island, began erupting at approximately 11:30 p.m. Hawaii Standard Time (HST) on November 27, the U.S. Geological Survey's (USGS) Hawaiian Volcano Observatory (HVO) reported.