A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to ...

Yellowstone geologists discovered the baby hydrothermal feature in April while doing routine work at Norris Geyser Basin, the ...

A new hole was discovered in Yellowstone National Park in April 2025, when geologists performed routine maintenance at the ...

Yellowstone National Park announced Monday the discovery of a new 13-foot baby blue hot spring. It emerged with little ...

On Monday afternoon, the U.S. Geological Survey announced the discovery of a new geothermal pool in Yellowstone National Park ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

Norris Geyser Basin also hosts several craters that reach up to 100 meters (328 feet) in diameter. These craters were formed during hydrothermal explosions that ejected boiling water, mud and rocks.

The last time magma was thought to be involved in uplift at the Norris Geyser Basin was between 1996 and 2004. "This was occurring about 10 miles beneath the surface," Poland said.

100 Spring Plain in Norris Geyser Basin, Yellowstone National Park. The area is frequently flooded and impassable. (Courtesy of Lauren Harrison) Cinder Pool. Elk Pool. Hydrophane Springs. The ...

If there were an Olympic medal for hydrothermal systems, Norris Geyser Basin would bring home the gold. From 1996 to 2004, an area more than 18 miles across centered near Norris, just outside the ...

Named for Philetus Norris, who served as Yellowstone National Park superintendent from 1877 to 1882, Norris Geyser Basin is Yellowstone's hottest and most-changing geyser basin.