Underhill Geyser is located in the Lower Geyser Basin of Yellowstone near Narcissus Geyser. In June 2001 Underhill had an interval of 12 minutes and a duration of 7 minutes.
Underhill Geyser:
Underhill movie (2.1 Mb, 12 sec, sound)
Image copyright 2001, Michael Frazier. All rights reserved.