Ask a volcanologist where the real risk in the U.S. lurks, and there’s a good chance that they'll bring up the Pacific Northwest https://on.natgeo.com/2v5M5y9

Ask a volcanologist where the real risk in the U.S. lurks, and there’s a good chance that they'll bring up the Pacific Northwest https://on.natgeo.com/2v5M5y9 

https://twitter.com/NatGeoTravel/status/1022210041041088512