California Supervolcano Is Active, But Is Eruption Possible?
ByTWC - Digital
March 22, 2025Updated: March 22, 2025, 12:58 am EDTPublished: October 27, 2023, 12:20 pm EDT

The Long Valley Caldera has been active since 1978, but new findings shed better light on the possibility of a supereruption that last occurred there more than 700,000 years ago.

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