Back to today’s briefing

Story perspectives

Yellowstone Reveals Stunning New Light Blue Thermal Pool

7/20/2025

27 6

Summary

Story summary

In April, geologists at Yellowstone National Park unveiled a stunning new thermal feature in the Norris Geyser Basin—a mesmerizing 4-meter-wide pool of light blue water. This captivating discovery, formed by a series of small hydrothermal events, reveals the supervolcano's stable conditions, as detailed in the latest USGS Caldera Chronicles.

1 of 1

Story summary

In April, geologists at Yellowstone National Park unveiled a stunning new thermal feature in the Norris Geyser Basin—a mesmerizing 4-meter-wide pool of light blue water. This captivating discovery, formed by a series of small hydrothermal events, reveals the supervolcano's stable conditions, as detailed in the latest USGS Caldera Chronicles.