Yellowstone

Riverside Geyser in the Upper Geyser Basin is the most regular of Yellowstone's geysers. Every six hours it erupts a 25-m-high inclined jet from a small vent hole on the east bank of the Firehole River 2 km downstream from Old Faithful.

Type/Process: Geothermal Activity
Volcanic Status: Tephrochronology
Image Number: 033-059
Photographer: Lee Siebert, 1968 (Smithsonian Institution)
Summit Elevation: 2805 meters
Latitude/Longitude: 44.43 N / 110.67 W
Timeframe: Last known eruption B.C. (Holocene)
Region: Canada and Western USA