Oct 24, 2023
California's supervolcano has a massive lid that causes swarms of earthquakes — and that's a good thing, scientists say
A shuddering supervolcano in California is simmering down, not ramping up, thanks to a giant lid that is covering its magma reservoir, new research finds. The Long Valley Caldera in the Eastern Sierra Nevada mountains has been unleashing earthquake swarms on a regular basis since 1978, raising concerns that it...