Last Known Eruption
294d 14h 26m ago

Latest Eruptions

Eruption DurationInterval
01 Jun 2018 @ 1420

Interval Statistics

Not enough entries to compute statistics.

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10766 13 Dec 2018 @ 1630 --- ypcaribou Normal water flow in runoff channels.
10765 13 Dec 2018 @ 0930 --- ypcaribou Normal water flow in runoff channels.
10763 12 Dec 2018 @ 1530 --- ypcaribou Absolutely no water in runoff channels.
10712 03 Nov 2018 @ 1617 --- ypcaribou Run off channels at full volume, orange and green bacteria
10356 16 Sep 2018 @ 1255 20 Sep 2018 @ 1207 Siegmund Normal heavy overflow every time I observed it: 16th 1259, 1846, 1925; 17th 1621;18th 1212; 19th 1131, 1259; 20th 1207; and several other drivebys I forgot to record times.
9461 04 Aug 2018 @ 1407 --- JSJ In overflow.
8805 19 Jun 2018 @ 2000 --- ypcaribou Runoff channels empty except for small trickle in left most channel.
8747 17 Jun 2018 @ 1004 --- ypcaribou Small trickle of water from left most channel. Otherwise channels empty.
8746 17 Jun 2018 @ 0550 --- ypcaribou Small trickle of water in left most channel. Otherwise channels empty.
8570 04 Jun 2018 @ 1631 --- Siegmund Overflowing normally (same every other time I drove by on the 4th)
8442 04 Jun 2018 @ 1439 --- JSJ Indigo Spring in overflow at 1439.
8553 02 Jun 2018 @ 0752 02 Jun 2018 @ 1906 Siegmund Strong overflow at 0752, 1202, 1336, and 1906.
8418 02 Jun 2018 @ 1005 --- JSJ In overflow.
8552 01 Jun 2018 @ 1907 01 Jun 2018 @ 2200 Siegmund Runoff channel still dry.
8398 01 Jun 2018 @ 1840 --- JSJ Not in overflow. Ditto when I drove by a couple hours later.
4129 14 May 2017 @ 0626 --- ypcaribou Standing at Excelsior's rim, noticed tall column of steam in vicinity of Indigo Spring that all but disappeared a few minutes later. No visible water splashing but was a cool morning so steam shrouded the view.
3103 18 Jun 2016 @ 1507 --- Siegmund Normal strong overflow
2738 16 Apr 2016 @ 1347 --- Siegmund Normal runoff today, at 1347 and at ~1850.
2732 15 Apr 2016 @ 1118 15 Apr 2016 @ 1934 Siegmund At 1118, was surprised to see NO water in Indigo's runoff channel. At 1615, the channel was bone dry though the algae still orange. At 1804, just the tiniest trickle of overflow. At 1934, full flow as in previous years.
714 10 Jan 2011 @ 0000 10 Jan 2011 @ 1200 BoekelUpload Firehole overflow channel empty in am vr
No attachments for this geyser.
Baseline does not exist.


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