Hot Steaming Ground - John Seach
Geothermal activity

Hot ground is the result of underground thermal conduction.
Hot vapours rise near the surface but are not actually discharged. The vapours
condense and drain away without being released to the atmosphere.
A thin layer of steam may condense under moist air conditions. If the air is dry then no steam is observed.

Example of warm ground
Olkaria system (Kenya)
 

Hot Steaming Ground
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