December 4, 2022 — Mauna Loa Fissure 3

View of fissure 3 erupting high on the Northeast Rift Zone of Mauna Loa the morning of December 4, 2022. The eruption is generating a volcanic gas plume and sulfur dioxide (SO2) emission rates of approximately 180,000 tonnes per day (t/d) were measured on December 1, 2022. These rates are comparable to those of the lower East Rift Zone eruption of Kīlauea in 2018. Vog information can be found at https://vog.ivhhn.org/. USGS image by F. Trusdell.