December 12, 2022 — Mauna Loa Eruption Map

The Northeast Rift Zone eruption of Mauna Loa that began the evening of November 27, 2022, continues at greatly reduced levels as of December 12, 2022 (fifteenth full day). Only incandescence was observed within fissure 3 overnight. This morning, field crews heard small explosions accompanied by sprays of spatter from the west end of the fissure 3 vent. The channels below the vent appear drained of lava and no longer feed the main flow front. For this reason, the total area covered by lava is unchanged since yesterday.