New report reveals surprising complexity of Yellowstone volcano eruption.

The Yellowstone Volcano Observatory released its annual report, revealing that the last major eruption at Yellowstone 631,000 years ago was more complex than previously thought. The report also details 2,429 earthquakes recorded in the Yellowstone region in 2022, with the largest being a magnitude 4.2. The report also highlights the discovery of new units of the Lava Creek Tuff, implying that the eruption was much more complex than previously thought.