Title text:
Even geology papers about Heart Mountain are like, "Look, we all agree this 'volcanic gas earthquake hovercraft' thing seems like it can't possibly be right, but..."
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3162/
That last bit is absurd. A mountain was over highway speeds for 30 minutes?
Crazy
This really messes with the concept of geologic timeframe,
Now if only my kidney stones could move that fast
they'd shoot out of your body and probably take some of it (parts you may value) along for the ride at those velocities
Well, this is in Montana, and until 1999, they were unique in the US in not really having highway speed limits.
Think of it as a really large boulder thrown from a volcanic eruption