The Yellowstone supervolcano is a disaster waiting to happen
A caldera-forming volcano supplies the heat for the hydrothermal features in Yellowstone National Park. (Jonathan Newton/The Washington Post) Yellowstone National Park sits squarely over a giant, active volcano. This requires attention. Yellowstone has been a national park since 1872, but it was only in the 1960s that scientists realized the scale of the volcano —…