September 8, 2022 — Mauna Loa Sulphur Cone MultiGas Station Maintenance
On September 8, 2022, Hawaiian Volcano Observatory staff replaced the gas measurement station at Sulphur Cone on the Southwest Rift Zone of Mauna Loa. Field staff (in orange) and the gas monitoring station are visible right of center in this aerial view, which also shows the 1950 fissure and Sulfur Cone. Sulfur Cone is at an elevation of 3,430 meters (11,240 feet) above sea level. USGS image by T. Elias.