Last Known Eruption
156d 9h 19m ago

Interval Statistics

Interval Count23
Min21h 7m
Max354d 23h 25m
Mean79d 10h 31m
Median10d 3h 15m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
2031 06 Aug 2015 @ 1118 06 Aug 2015 @ 1745 JSJ Ferric Geyser (Sprinkler Group, Lower Geyser Basin) was engaged in slightly intermittent, low to moderately low, perpetual spouting.
No attachments for this geyser.
Baseline does not exist.