For Big Island, new eruption at Kilauea also means return of vog For Big Island, new eruption at Kilauea also means return of vog By Ben Gutierrez | December 25, 2020 at 4:40 PM HST - Updated December 25 at 8:17 PM HAWAII VOLCANOES NATIONAL PARK, Hawaii (HawaiiNewsNow) - Until last Sunday, skies over the Big Island have been clear of volcanic haze since the end of Kilauea’s 2018 eruption. But dangerous gases are back at the summit, and “vog” could spread once again with the new eruption. Prevailing trade winds so far have kept emissions away from the visitors who’ve been streaming into Hawaii Volcanoes National Park to get a glimpse of the eruption.