Scientists in New Zealand have invented an alert system to provide warnings ahead of volcanic eruptions -- a system which, they say, could have predicted 2019's deadly White Island blast.
New Zealand does not have a real-time warning system for volcanic eruptions. The country's geoscience agency, GNS Science, relies on a Volcano Alert Level system that measures the current status of a volcano, with updates issued every few weeks or months. The system relies on humans to spot activity that could signal an eruption.
They say that using data from White Island's past decade, the system was able to predict four out of five past eruptions. The system, which is now ready to be deployed, could have given 16 hours' warning ahead of last year's blast, they say. "We think this was a sign that fresh magmatic fluid was rising up and pressurising water trapped in shallow rock and loose deposits filling the vent," Dempsey, a geoscientist involved in the development of the system, said in a statement.
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