United States - December 06, 2025 Halemaumau Crater, Island Of Hawaii – Lava fountaining from Kilauea’s summit eruption episode 38 lit up Halemaumau crater this morning, with activity focused inside the crater on the Island of Hawaii. The eruptive episode began from the north vent at about 8:45 am HST on December 6. At 8:49 am HST, smaller fountains started from the south vent and quickly surged to heights of more than 1000 feet (300 meters), inclined to the south toward a closed area of Hawaii Volcanoes National Park. The north vent stopped erupting at 11:50 am. Along with tephra, the eruption is releasing volcanic gas, with sulfur dioxide emission rates likely exceeding 50,000 tonnes per day. The high effusion rate of this episode is driving a striking plume that rises more than 20,000 feet above sea level. Both the National Weather Service and the Washington Volcanic Ash Advisory Center issued special advisories about this plume, and the Hawaii County Civil Defense Agency released a message warning about the potential for fine glass particles in communities downwind.