Scientists back at Lake Rotomahana

Updated at 4:19 pm on 6 March 2014

The same scientists who found remnants of the Pink and White Terraces under Lake Rotomahan, south of Rotorua, are back at the scene to learn more about geothermal activity on the lakebed. For the first time, temperature-measuring equipment is being used to measure exactly how active the systems beneath the lake are. An American geologist, Dr Maurice Tivey, from the Massachesetts-based Woods Hole Oceanographic Institution, pioneered the technology.

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This story was broadcast on Thursday 6 March 2014

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