California's supervolcano has a massive lid that causes swarms of earthquakes — and that's a good thing, scientists say
When you purchase through links on our land site , we may realise an affiliate perpetration . Here ’s how it works . A shuddering supervolcano in California is simmering down , not ramp up , thanks to a giant lid that is covering its magma reservoir , new research finds . TheLong Valley Calderain the Eastern Sierra Nevada deal has been unleashing seism swarms on a even foundation since 1978 , raising concerns that it might be at danger of erupting ....