Warm Ground - John Seach
Geothermal activity

Warm ground represents a low level of geothermal activity.
The ground temperature is raised at 1 m depth but not at the surface.
Warm ground is not visible on infrared images but changes to vegetation can be identified.

Examples of warm ground areas.
Fuzhou (South China)
Ngawha (New Zealand)
Steam Vents, Kilauea volcano (Hawaii)
Puhimau Thermal area, Chain of Craters Road, Kilauea Volcano (Hawaii)
 

Warm Ground
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