Last Known Eruption
52d 6h 5m ago

Interval Statistics

Interval Count26
Min21h 7m
Max354d 23h 25m
Mean81d 13h 50m
Median10d 1h 35m

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.