Italy's supervolcano makes Earth shake 90 times in one day — “Never heard of this intensity before”

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Italy's supervolcano makes Earth shake 90 times in one day — “Never heard of this intensity before”

The supervolcano near Naples is active again, as it has not been for decades. Within 24 hours, there were over 70 tremors, 14 of which were clearly noticeable, the strongest reaching an amplitude of 3.7.