Old Faithful may be Yellowstone's most well-known geyser, but the Norris Geyser Basin is home to the park's oldest (thermal features are said to have been present here for more than 115,000 years ...

C, 2001–2002. Uplift near Norris and subsidence of the caldera floor continued to slow during this period. Arrow labeled NGB marks the location of Norris Geyser Basin. D, 2002–2003.

Norris Geyser Basin is one of the only major thermal basins located outside of Yellowstone Caldera (it is about 2.5 miles north of the caldera rim) and covers an area of about 800 acres.

Norris Geyser Basin is a vast sprawl of steaming pools and spraying geysers, where 200-degree water explodes out of the earth on a regular basis.

Norris is the hottest and most seismically active geyser basin in Yellowstone. Recent activity in the Norris Geyser Basin has included formation of new mud pots, an eruption of Porkchop Geyser ...

Norris Geyser Basin is a popular area in the park that has signs warning people to stay on the boardwalk, officials said. It’s one of the largest thermal areas in Yellowstone and the hottest ...

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.

Madeline S. Casey was charged with walking off the boardwalk and stepping onto thermal ground as she made her way up to Norris Geyser Basin. GC Images A Connecticut woman was sentenced to a week ...

The famous Steamboat geyser in Yellowstone National Park won’t foretell a major volcanic eruption, according to scientists. The geyser in the Norris Geyser basin shoots water more than 300 feet ...

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.