A supervolcano eruption at the Long Valley caldera could have a catastrophic effect on the planet <a target='_blank' rel='nofollow' href='https://newstarget.com/2021-11-30-signs-eruption-long-valley-caldera-supervolcano.html'>https://newstarget.com/2021-11-30-signs-eruption-long-valley-caldera-supervolcano.html</a>