Scientists continue to monitor the volanic activity on Mt Ruapehu closely as temperatures rise. Thomas Wilson - Professor of Disaster Risk & Resilience at University of Canterbury explains what's actually going on.

Scientists continue to monitor the volanic activity on Mt Ruapehu closely as temperatures rise. Thomas Wilson - Professor of Disaster Risk & Resilience at University of Canterbury explains what's actually going on.

Scientists continue to monitor the volanic activity on Mt Ruapehu closely as temperatures rise.&nbsp;Thomas Wilson - Professor of Disaster Risk &amp; Resilience at University of Canterbury explains what's actually going on.

Heightened unrest" - Mt Ruapehu lets off steam

Lately with Karyn Hay was a late night radio show on RNZ National, which wrapped up in 2002.

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Heightened unrest" - Mt Ruapehu lets off steam

Heightened unrest" - Mt Ruapehu lets off steam