[pitaj]

That's about the same size as the Henry's Fork Caldera [0] which is within the much larger Island Park Caldera [1], both produced by the Yellowstone hot spot. The Island Park Caldera is one of the largest in the world.

[0]: https://en.wikipedia.org/wiki/Henry%27s_Fork_Caldera [1]: https://en.wikipedia.org/wiki/Island_Park_Caldera