Researchers develop system to track shaking within volcanoes that could provide up to 4 days notice of an eruption
, researchers at the University of Canterbury set out to determine whether patterns in seismic frequency could help forecast eruptions and prevent the loss of life.
The shakes would become slower – suggesting there was a blockage in the shallow part of the volcano and that a seal or lid had formed, which traps hot gas, builds pressure, and sometimes triggers an explosion. The research has picked up that Mount Ruapehu, an active volcano in the country’s North Island, is showing signs of a seal forming, Ardid said. “At this point, we’re able to say that an eruption is much more likely to happen now.”
The research’s co-author, Dr David Dempsey, a Civil and Natural Resources Engineering lecturer at the University, said once the warning system has been through enough testing, and the scientists are confident enough in its accuracy levels, it could be used across the world.
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