Video file
This video shows boiling mud in a hydrothermal explosion crater, north-east of Ruapatu Cave, Ōrākei Kōrako. Steam and acid gases have turned the rocks to clay. In low-lying areas where water collects, the steam heats the water to form boiling mud. The video was made in March 2004.
Te whakamahi i tēnei tūemi
Private collection
by E. F. Lloyd
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