'By listening to the changing pitch, we can track the movement of magma within the crater.'
, where eruptions frequently occur, and lava is ejected over 1 km above the top.
The research also advances Dr. Watson's earlier investigations at Cotopaxi in Ecuador and Villarrica in Chile. The model will be modified in the following step of the research to make it applicable to a New Zealand environment.—and the atmosphere. In New Zealand, two of the most hazardous volcanoes are Mount Ruapehu and Whakaari, which have crater lakes containing water between the magma and the air above," said Dr. Watson.
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