Simulations of a possible Yellowstone eruption show that the expanding ash cloud would be so powerful that it would actually outpace the prevailing winds for hours or even days. That means almost ...

An example of the possible distribution of ash from a month-long Yellowstone supereruption ... eruption would create a distinctive kind of ash cloud known as an umbrella, which expands evenly ...

What might happen if Yellowstone were to erupt is difficult ... While they may not send an umbrella cloud of ash across the U.S., such an event would still "create a sizeable ash cloud that ...

As many as 12 massive supereruptions of the Yellowstone volcano have been identified between 8 and 12 million years ago as the hotspot worked its way across the Snake River Plain. The ash that ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. During a field trip to the Lava Creek Tuff near Shell, Wyoming, scientists discovered ...