Union Pacific

What if Shasta blows its top?

To an industry that routinely faces the aftermath of flooding, mudslides, avalanches, hurricanes and even earthquakes, the concept of service disruption due to an erupting volcano seems almost unthinkable. But according to a recent study, and judging by the not-so-distant history of volcanoes in the U.S., some railroads are in fact quite vulnerable to such disasters, particularly in the Pacific Northwest.