A geyser explosion in Yellowstone National Park sent dozens of visitors running Tuesday morning, officials said. Videos taken ...

A geyser in Yellowstone National Park erupted in a hydrothermal explosion right next to tourists on a boardwalk in the park, video shows. The boardwalk was destroyed during the July 23 explosion ...

and they are relatively common in Yellowstone. For example, Porkchop Geyser, in Norris Geyser Basin, experienced an explosion in 1989, and a small event in Norris Geyser Basin was recorded by ...

Scientists calculate that the pillar of ash from the Yellowstone explosion rose some 100,000 ... The park roils with geysers, fumaroles, mud volcanoes, and other hydrothermal activity.

Cinder Pool. Elk Pool. Hydrophane Springs. The Reservoir. These are all thermal features in the backcountry of the dynamic ...

Yellowstone Caldera Chronicles is a weekly column written ... For example, the emptying of Cistern Spring following Steamboat ...

Lightning strikes above the Fan and Mortar geysers in Yellowstone's Upper Geyser Basin. Geysers are formed when underground water meets superheated rock and blasts back out through a narrow hole.

The Gap and 100 Spring Plain — are inaccessible to people. Let’s take a virtual tour of the hydrothermal wonders in the ...

This is a hydrothermal explosion crater that has existed since at least 1954 located just southwest of The Gap in Norris Geyser Basin, Yellowstone National Park. (Courtesy of Lauren Harrison ...

Yellowstone Caldera Chronicles is a ... On top of the tuff are glacial sediments, sinter and hydrothermal explosion breccias. Norris Geyser Basin discharges on average 150–250 liters of water ...