Yellowstone’s supervolcano is creating a 19-mile bulge - and it's still rising
- Posted on February 12, 2026
- By The Daily Star
- 3 Views
Yellowstone’s supervolcano is creating a 19-mile bulge - and it's still rising
The bulge the size of Chicago has sparked fears it could erupt - but one scientist insists there are no major concerns yet, even as he keeps a watchful eye on its movements
