Yellowstone National Park is home to the world's largest concentration of geysers and hot springs. About 640,000 years ago, the center of the park blew out from a huge volcanic eruption that spewed 240 cubic miles of debris into the atmosphere. The geyser basin is situated in the caldera of this huge volcano and showcases its ongoing geothermal power on a daily basis. There are 1,000 geysers worldwide with half of them sending out steam in Yellowstone.
Black Sands Basin
Water seems to be everywhere in the geyser basin...and with the water comes steam which is heated up from very hot rocks just below the surface.
Porcelain Basin and the Fire Hole river
Mineral deposits created from the deep earth steamed water
A steam vent in the Black Sands basin
Emerald Pool
This hot spring located in the Black Sands basin is 25 feet deep and averages 154 degrees fahrenheit or 67 degrees Celsius.
Emerald Pool
Colorful deposits around the edge of the hot spring are the result of bacteria and algae
Opalescent Pool
This pool is only 6 feet deep and its average temperature is 141 degrees fahrenheit or 60 degrees Celsius
Opalescent Pool
The white socks around the bottom of the tree trunks is caused by silica deposits carried by the steam from the pool
A hot spring at work along the Little Fire Hole river at sunset
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