New USGS Data Release featuring Mauna Loa webcam imagery
The 2022 eruption of Mauna Loa volcano, Island of Hawaiʻi, was the first eruption on the volcano since 1984, producing a 17 km lava flow that threatened a major highway. The eruption began with lava fountaining in the summit caldera (Mokuʻāweoweo) at 23:21 HST on November 27, transitioning to vents on the Northeast Rift Zone (NERZ) by the next morning. The dominant vent on the NERZ—fissure 3—was active for about 13 days, sending a lava flow to the north that stalled within 3 km of Daniel K. Inouye Highway. The eruption ended on December 10, having covered a section of
