NT News

Ancient blast still risk


ANCIENT supervolca­noes remain active and hazardous for thousands of years after a super-eruption, prompting the need for a rethink of how these potentiall­y catastroph­ic events are predicted, scientists say.

Researcher­s from Curtin University investigat­ed the fate of magma left behind after the Toba super-eruption in Indonesia 75,000 years ago, finding it continued to ooze out for 5000 to 13,000 years after.

“Eruptions can occur even if no liquid magma is found underneath a volcano – the concept of what is ‘eruptible’ needs to be re-evaluated,” Curtin’s Martin Danišík said.

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