Search results for Riverside Geyser

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Castle Geyser erupts, reaching 60 to 90 feet in height and lasting 20 minutes. While Castle Geyser has a 12 foot sinter cone that took 5,000 to 15,000 years to form, it is in fact situated atop geyserite terraces that themselves may have taken 200,000 years to form, making it likely the oldest active geyser in the park. Upper Geyser Basin, Yellowstone National Park, Wyoming
Castle Geyser erupts with the colorful bacteria mats of Tortoise Shell Spring in the foreground. Castle Geyser reaches 60 to 90 feet in height and lasts 20 minutes. While Castle Geyser has a 12 foot sinter cone that took 5,000 to 15,000 years to form, it is in fact situated atop geyserite terraces that themselves may have taken 200,000 years to form, making it likely the oldest active geyser in the park. Upper Geyser Basin, Yellowstone National Park, Wyoming
Castle Geyser erupts with the colorful bacteria mats of Tortoise Shell Spring in the foreground. Castle Geyser reaches 60 to 90 feet in height and lasts 20 minutes. While Castle Geyser has a 12 foot sinter cone that took 5,000 to 15,000 years to form, it is in fact situated atop geyserite terraces that themselves may have taken 200,000 years to form, making it likely the oldest active geyser in the park. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts at sunset. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser (right), Turban Geyser (center) and Vent Geyser (left) erupt in concert. An apron of bacteria covered sinter occupies the foreground when water from the eruptions flows away. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser (right), Turban Geyser (center) and Vent Geyser (left) erupt in concert. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
A rainbow forms in the mist from Grand Geyser and Vent Geyser. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser (right), Turban Geyser (center) and Vent Geyser (left) erupt in concert. An apron of bacteria covered sinter occupies the foreground when water from the eruptions flows away. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
A crowd admires a simultaneous eruption of Grand Geyser (right) with Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser (right), Turban Geyser (center) and Vent Geyser (left) erupt in concert. An apron of bacteria covered sinter occupies the foreground when water from the eruptions flows away. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts at sunset. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser (right), Turban Geyser (center) and Vent Geyser (left) erupt in concert. An apron of bacteria covered sinter occupies the foreground when water from the eruptions flows away. Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
Grand Geyser erupts (right) with a simultaneous eruption from Vent Geyser (left). Grand Geyser is a fountain-type geyser reaching 200 feet in height and lasting up to 12 minutes. Grand Geyser is considered the tallest predictable geyser in the world, erupting about every 12 hours. It is often accompanied by burst or eruptions from Vent Geyser and Turban Geyser just to its left. Upper Geyser Basin, Yellowstone National Park, Wyoming
West Triplet Geyser boils, part of the Grand Group, Upper Geyser Basin, Yellowstone National Park, Wyoming
Belgian Spring, near the Grand Group, Upper Geyser Basin, Yellowstone National Park, Wyoming
Emerald Spring, with its sulfur-lined sides, displays a deep green color, the result of its clear water (which would otherwise display as blue) and the deep yellow coloration of its sulfur lining, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser erupts at sunset. Echinus Geyser reaches heights of 40 to 60 feet. Echinus Geyser was quite predictable until 1998 when something changed in its plumbing, and it now is irregular and erupts less often, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser erupts at sunset. Echinus Geyser reaches heights of 40 to 60 feet. Echinus Geyser was quite predictable until 1998 when something changed in its plumbing, and it now is irregular and erupts less often, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser just prior to eruption, notice that its pool is full to overflowing, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser just after eruption, notice that its pool is much lowered, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser erupts at sunset. Echinus Geyser reaches heights of 40 to 60 feet. Echinus Geyser was quite predictable until 1998 when something changed in its plumbing, and it now is irregular and erupts less often, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser erupts at sunset. Echinus Geyser reaches heights of 40 to 60 feet. Echinus Geyser was quite predictable until 1998 when something changed in its plumbing, and it now is irregular and erupts less often, Norris Geyser Basin, Yellowstone National Park, Wyoming
Echinus Geyser erupts at sunset. Echinus Geyser reaches heights of 40 to 60 feet. Echinus Geyser was quite predictable until 1998 when something changed in its plumbing, and it now is irregular and erupts less often, Norris Geyser Basin, Yellowstone National Park, Wyoming
Steamboat Geyser splashes (this is not an eruption!). Steamboat Geyser is the worlds tallest active geyser, reaching heights of 300 feet, but it rarely erupts and then only unpredictably, Norris Geyser Basin, Yellowstone National Park, Wyoming
Steamboat Geyser steams (this is not an eruption!). Steamboat Geyser is the worlds tallest active geyser, reaching heights of 300 feet, but it rarely erupts and then only unpredictably, Norris Geyser Basin, Yellowstone National Park, Wyoming
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