Last Known Eruption
2y 120d 14h 31m ago

Latest Eruptions

Eruption DurationInterval
16 Apr 2016 @ 194429s 4m
16 Apr 2016 @ 194010s 2m
16 Apr 2016 @ 193823s 2m
16 Apr 2016 @ 1936 ini27m
16 Apr 2016 @ 1909312m
16 Apr 2016 @ 190721s 2m
16 Apr 2016 @ 1905 ini30s 23h 21m
15 Apr 2016 @ 19442m
15 Apr 2016 @ 19422m
15 Apr 2016 @ 19402m
15 Apr 2016 @ 1938337d 1h 39m
14 May 2015 @ 1759 ?291d 1h 7m
27 Jul 2014 @ 165247m
27 Jul 2014 @ 160532d 5h 17m
25 Jun 2014 @ 104854d 23h 42m
01 May 2014 @ 1106280d 18h 8m
24 Jul 2013 @ 16588h 10m
24 Jul 2013 @ 084815h 55m
23 Jul 2013 @ 165342m
23 Jul 2013 @ 16118h 33m
23 Jul 2013 @ 073858m
23 Jul 2013 @ 064015m
23 Jul 2013 @ 062516m
23 Jul 2013 @ 060922h 51m
22 Jul 2013 @ 071818m
22 Jul 2013 @ 07007d 22h 5m
14 Jul 2013 @ 0855 ini9d 18h 45m
04 Jul 2013 @ 1410298d 20h 40m
08 Sep 2012 @ 173020m
08 Sep 2012 @ 171017m
08 Sep 2012 @ 165329m
08 Sep 2012 @ 16245d 5h 10m
03 Sep 2012 @ 1114 ie3y 29d 15h 34m
05 Aug 2009 @ 19401d 6h 31m
04 Aug 2009 @ 13092d 23h 43m
01 Aug 2009 @ 132640m
01 Aug 2009 @ 12463d 2h 47m
29 Jul 2009 @ 095917h 10m
28 Jul 2009 @ 164922m
28 Jul 2009 @ 16271d 23h 56m
26 Jul 2009 @ 163120m
26 Jul 2009 @ 16111d 3h 11m
25 Jul 2009 @ 130037d 18h 42m
17 Jun 2009 @ 181817m
17 Jun 2009 @ 180123d 7h 33m
25 May 2009 @ 10281d 16h 17m
23 May 2009 @ 18115m
23 May 2009 @ 18064m
23 May 2009 @ 180243m
23 May 2009 @ 1719240d 8h 12m
25 Sep 2008 @ 0907 ns4d 19h 20m
20 Sep 2008 @ 13471y 9d 21h 46m
11 Sep 2007 @ 16015m
11 Sep 2007 @ 15569m
11 Sep 2007 @ 154715d 23h 21m
26 Aug 2007 @ 162616m
26 Aug 2007 @ 161013m
26 Aug 2007 @ 15572h 35m
26 Aug 2007 @ 132214m
26 Aug 2007 @ 13084m
26 Aug 2007 @ 130457d 22h 55m
29 Jun 2007 @ 140913m
29 Jun 2007 @ 135613m
29 Jun 2007 @ 134311m
29 Jun 2007 @ 133211m
29 Jun 2007 @ 13219m
29 Jun 2007 @ 13129m
29 Jun 2007 @ 130310m
29 Jun 2007 @ 125317m
29 Jun 2007 @ 1236312d 20h 4m
20 Aug 2006 @ 163218m
20 Aug 2006 @ 161419m
20 Aug 2006 @ 1555346d 19h 59m
07 Sep 2005 @ 195648m
07 Sep 2005 @ 190811m
07 Sep 2005 @ 185717m
07 Sep 2005 @ 184033m
07 Sep 2005 @ 18071h 4m
07 Sep 2005 @ 170349d 1h 1m
20 Jul 2005 @ 160218m
20 Jul 2005 @ 154419d 21h 43m
30 Jun 2005 @ 1801277d 3h 28m
26 Sep 2004 @ 14339m
26 Sep 2004 @ 142410m
26 Sep 2004 @ 14149m
26 Sep 2004 @ 140510m
26 Sep 2004 @ 135521m
26 Sep 2004 @ 133411m
26 Sep 2004 @ 132310m
26 Sep 2004 @ 131321m
26 Sep 2004 @ 125220h 17m
25 Sep 2004 @ 163511m
25 Sep 2004 @ 162411m
25 Sep 2004 @ 16139m
25 Sep 2004 @ 160417m
25 Sep 2004 @ 154711m
25 Sep 2004 @ 153610m
25 Sep 2004 @ 152611m
25 Sep 2004 @ 151511m
25 Sep 2004 @ 150410m

Interval Statistics

Interval Count100
Min2m
Max3y 29d 15h 34m
Mean42d 5h 5m
Median20m
Initial-to-Initial
Interval Count2
Min31m
Max2y 277d 10h 10m
Mean1y 138d 17h 20m
Median1y 138d 17h 20m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
9466 04 Aug 2018 @ 1752 04 Aug 2018 @ 1852 JSJ Drain Geyser's basin nearly full - has been very slowly rising. 1806 - in slight overflow. 1852 - basin already full and overflowing into Blowout Geyser's basin.
8736 16 Jun 2018 @ 1408 16 Jun 2018 @ 1819 JSJ Moderately full pool at 1408. Noticed the water level was down at 1622. No visible water in Drain Geyser's basin at 1656 and 1704 and 1807. Water already in basin at 1819 - not full or near-full, though.
8666 13 Jun 2018 @ 1451 --- JSJ Blue water visible in Drain Geyser's basin, but not full & not overflowing. Appears to have overflow from Blowout Geyser (on the western side of Drain) emptying into Drain Geyser's basin. Never seen this before.
8428 02 Jun 2018 @ 1539 --- JSJ Drain Geyser's basin was full & overflowing all afternoon. Water partially filled Kaleidoscope Geyser's basin & even appeared to be draining into Three Vent Geyser's basin at times (not positive about the latter, however).
5416 10 Aug 2017 @ 1303 10 Aug 2017 @ 1618 JSJ Drain Geyser had no visible water at 1303. A little water was visible at 1348. Basin nearly full at 1549. Full, but not overflowing at 1612. In overflow at 1618.
4830 06 Aug 2017 @ 1254 06 Aug 2017 @ 1924 JSJ At 1254, basin was moderately full, but not overflowing. At 1517, water level was lower, but still visible from Fountain overlook platform - water was a lovely blue color. A fair number of rocks were exposed. At 1545, water was gone/not visible. At 1741, water was visible, but at a relatively low level. Higher water level at 1820. At 1924, basin was full and overflowing.
4808 05 Aug 2017 @ 1905 05 Aug 2017 @ 2011 JSJ Water level in Drain Geyser's basin was down, but just visible, at 1905. At 1932, water level was a bit higher. At 2011, the basin was nearly water-filled.
4676 01 Aug 2017 @ 1926 01 Aug 2017 @ 2013 JSJ Drain Geyser in overflow to the west at 1926 and 2001. Not in overflow at 2013.
4570 28 Jul 2017 @ 1643 28 Jul 2017 @ 1829 JSJ Drain Geyser in overflow to the west - noticed at 1643, 1734, 1817, and 1829.
4197 03 Jun 2017 @ 1509 --- JSJ Noticed Drain Geyser was empty (no visible water from Fountain overlook platform) at 1509. Still empty at 1608. Basin was water-filled during the late morning & early afternoon.
3480 12 Aug 2016 @ 1219 12 Aug 2016 @ 1658 JSJ No visible water at 1219. A little bit of water was visible at 1241. Decent water level at 1327. Water level fairly high at 1412 & 1514 & 1620. Basin already empty at 1658.
3411 02 Aug 2016 @ 1205 02 Aug 2016 @ 1706 JSJ Basin nearly full with blue water at 1205. Water level lower at 1420, but still visible. Water not visible at 1429. Some blue water visible at 1533. Water level higher at 1554. Central basin is nearly full at 1623. Basin almost full at 1706.
3252 07 Jul 2016 @ 1326 07 Jul 2016 @ 1632 JSJ Drain Geyser seen to be nearly filled with lovely blue-colored water at 1326. Water nearly out of sight at 1547. No visible water at 1632.
3029 09 Jun 2016 @ 1234 09 Jun 2016 @ 1643 JSJ Drain Geyser already full at 1234. Pool about half-full at 1331 - can still see water. Water almost out of sight at 1343. Water out of sight at 1347. Drain apparently still empty at 1441 and 1500. A little water was visible at 1505. Water level slightly higher at 1525 and 1546 and 1615 - nice blue color. Drain Geyser nearly full at 1643.
2983 05 Jun 2016 @ 1316 05 Jun 2016 @ 1651 JSJ Drain Geyser's basin was water-filled at 1316. Noticed it was empty at 1558. Still empty at 1651. No eruptions observed all afternoon.
2731 15 Apr 2016 @ 1952 --- Siegmund Starting at 1952, some interesting billows of steam, directed forcefully southward. No water droplets. A steam phase after the crater drained following the 1945 eruption? (Yes, 1944 and 1945 are two eruptions 1 minute apart)
2530 13 Aug 2015 @ 1109 13 Aug 2015 @ 1720 JSJ Drain Geyser observed to have water in it at 1109 & 1225 & 1306. In overflow at 1306. Still water-filled and overflowing at 1412 & 1456. Still full at 1538. Water level down (but still visible) at 1630 - no overflow. Noticed Drain Geyser was empty at 1720.
2034 06 Aug 2015 @ 1100 06 Aug 2015 @ 1643 JSJ Drain Geyser started with a full pool at 1100. Noticed it was empty at 1530. Seeing some bluish water in Drain Geyser at 1625. Water level higher at 1637. Pool nearly full at 1643.
1075 27 Aug 2003 @ 1230 27 Aug 2003 @ 1507 Dave W Erupted between 1230 and 1507 while I was waiting for Fountain, but I did not record the eruption time.
1073 26 Aug 2003 @ 2040 26 Aug 2003 @ 2100 Dave W Erupted between 2040 and 2100 while I was waiting for Fountain, but I did not record the exact eruption time.
7586 30 Jan 1989 @ 0000 30 Jan 1989 @ 2359 JSJ "Since 1-26-89, Kaleidoscope's Drain probably active".
7550 17 Apr 1976 @ 0000 17 Apr 1976 @ 2359 JSJ Drain Geyser is full, with periodic wave action, convection, and superheated boiling, but no eruptions seen.
No attachments for this geyser.
Baseline does not exist.


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