July 29, 2026 — Sulfur Cone gas monitoring maintenance, Mauna Loa
Detailed Description
Photo looking down the axis of Mauna Loa's Southwest Rift Zone towards Ocean View Estates, with Sulfur Cone in the foreground at an elevation of 3,430 meters (11,240 feet) above sea level. Elemental sulfur blankets the ground all around this site, as is its deposited due to the constant degassing of sulfur gases here. USGS photo by M. Cappos.
Sources/Usage
Public Domain.