Last Known Eruption
56d 8h 52m ago

Interval Statistics

Interval Count30
Min2h 11m
Max2y 232d 22h 46m
Mean166d 3h 8m
Median54d 22h 34m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
14046 20 Dec 2019 @ 1656 --- Micah Kipple Melt channels down North side of cone viewed from the road
11272 20 May 2019 @ 1010 --- Micah Kipple Heavily steaming and puffing. No water.
4090 12 May 2017 @ 1622 --- Tara Forced steam, no water visible.
1467 26 Oct 2014 @ 1054 --- WillBoekel splashing at 1054
1468 26 Oct 2014 @ 1050 --- WillBoekel empty at 1050
1466 26 Oct 2014 @ 0908 --- WillBoekel was full with water and splashing/boiling to a max height of a foot but mostly just inches at 0908
EntrySourceLinkComment
06 Aug 2017 @ 1223 JSJ https://www.youtube.com/watch?v=kQRffFCrpOs Video compilation showing Old Cone Geyser's early afternoon eruption on 6 August 2017.
03 Jul 2016 @ 1946 JSJ https://www.youtube.com/watch?v=KXFDZi8iYSM Video clips of Old Cone Geyser erupting during the evening of 3 July 2016.
Baseline does not exist.