• Mauna Loa Volcanic Carbon Dioxide Emmissions 1958-2001 (NOAA ESRL)
• retired Sulfur Dioxide Monitoring (SO₂) (NOAA ESRL)
• Earthquake Seismometer (USGS / HVO)
• Tilt and Strain Measurements(USGS / HVO)
• retired VOGNET (NOAA ESRL / OAR / DOE / HPA)