Geologists say the underground blast at Yellowstone on July 23 was caused by a buildup of steam and hot water, which propelled rocks hundreds of feet into the air.
![That Dramatic Yellowstone Explosion May Have Birthed a New Geyser](https://img.easybranches.com/uploads/news/2024/08/14723784.jpg)
Geological analysis has revealed more details about the cause of last weeks spectacular eruption at Yellowstone National Park. It’s still unclear whether the incident has permanently altered the nati… [+2455 chars]