Last Known Eruption
2y 31d 7h 8m ago

Latest Eruptions

Eruption DurationInterval
20 Sep 2018 @ 18156d 9h 14m
14 Sep 2018 @ 0901 ? wc42d 16h 40m
02 Aug 2018 @ 16216h 33m
02 Aug 2018 @ 0948 wc22h 4m
01 Aug 2018 @ 114412d 3h 32m
20 Jul 2018 @ 0812 ie wc4d 12h 58m
15 Jul 2018 @ 1914 ie1d 44m
14 Jul 2018 @ 1830 ie wc11d 23h 46m
02 Jul 2018 @ 1844 ie wc4d 1h 28m
28 Jun 2018 @ 1716 wc5h 43m
28 Jun 2018 @ 1133 ie2d 20h 51m
25 Jun 2018 @ 1442 ie wc1d 22h 7m
23 Jun 2018 @ 1635 wc2d 3h 50m
21 Jun 2018 @ 1245 ie wc22h 53m
20 Jun 2018 @ 1352 ie3d 22h 7m
16 Jun 2018 @ 1545 ie wc6d 21h 22m
09 Jun 2018 @ 1823 ie2d 2h 53m
07 Jun 2018 @ 1530 ie23h 5m
06 Jun 2018 @ 1625 ie5h 18m
06 Jun 2018 @ 1107 ns8d 4h 33m
29 May 2018 @ 0634 ie16h 59m
28 May 2018 @ 13352d 13m
26 May 2018 @ 1322 wc23h 43m
25 May 2018 @ 1339 ie wc4d 19h 6m
20 May 2018 @ 18338d 3h 56m
12 May 2018 @ 1437 ie3d 1h 50m
09 May 2018 @ 1247 wc16h 51m
08 May 2018 @ 1956 ? ie wc220d 1h 52m
30 Sep 2017 @ 18041d 3h 8m
29 Sep 2017 @ 1456 wc11d 6m
18 Sep 2017 @ 1450 ie wc3d 1h 36m
15 Sep 2017 @ 13144h 38m
15 Sep 2017 @ 0836 ie18h 41m
14 Sep 2017 @ 1355 wc~5m 3h 20m
14 Sep 2017 @ 1035 ie wc22h 30m
13 Sep 2017 @ 1205 ie8h 17m
13 Sep 2017 @ 0348 ie1d 9h 44m
11 Sep 2017 @ 1804 wc~6m 7h 15m
11 Sep 2017 @ 1049 ie wc1d 18h 9m
09 Sep 2017 @ 1640 ie2d 6h 22m
07 Sep 2017 @ 10186m 1d 23h 49m
05 Sep 2017 @ 1029 ie22h 16m
04 Sep 2017 @ 1213 ie20h 42m
03 Sep 2017 @ 1531 ie2d 23h 56m
31 Aug 2017 @ 1535 wc~5m 2d 1h 17m
29 Aug 2017 @ 1418 ie1d 1h 28m
28 Aug 2017 @ 1250 ie wc3d 22h 7m
24 Aug 2017 @ 1443 ie wc1d 4h 13m
23 Aug 2017 @ 1030 ie4d 15h 41m
18 Aug 2017 @ 18493d 3h 2m
15 Aug 2017 @ 1547 ie wc2d 19h 47m
12 Aug 2017 @ 2000 ie3d 5h 31m
09 Aug 2017 @ 1429 ie5d 21h 42m
03 Aug 2017 @ 1647 ie6h 33m
03 Aug 2017 @ 1014 ns17h 17m
02 Aug 2017 @ 1657 ie7h 44m
02 Aug 2017 @ 091318h 18m
01 Aug 2017 @ 1455 ie6h 34m
01 Aug 2017 @ 0821 ns wc2d 23h 51m
29 Jul 2017 @ 0830 ie16h 33m
28 Jul 2017 @ 15577h 33m
28 Jul 2017 @ 0824 ie22h 16m
27 Jul 2017 @ 1008 ns20h 47m
26 Jul 2017 @ 1321 ns23h 10m
25 Jul 2017 @ 1411 ie wc6h 10m
25 Jul 2017 @ 0801 ie13h 35m
24 Jul 2017 @ 18261d 7h 51m
23 Jul 2017 @ 10356m 14h 56m
22 Jul 2017 @ 19394m 8h 49m
22 Jul 2017 @ 105018h 14m
21 Jul 2017 @ 16365h 14m
21 Jul 2017 @ 11224h 5m
21 Jul 2017 @ 07175m 18h 48m
20 Jul 2017 @ 1229 ie5h 50m
20 Jul 2017 @ 0639 ie11h 45m
19 Jul 2017 @ 1854 ie9h 21m
19 Jul 2017 @ 0933 ie2d 24m
17 Jul 2017 @ 0909 ie20h 29m
16 Jul 2017 @ 1240 ie2h 5m
16 Jul 2017 @ 10352d 20h 26m
13 Jul 2017 @ 1409 ie2d 18h 6m
10 Jul 2017 @ 2003 ie1d 6h 40m
09 Jul 2017 @ 1323 ie7d 5m
02 Jul 2017 @ 1318 ie21h 56m
01 Jul 2017 @ 1522 ie5h 38m
01 Jul 2017 @ 0944 ie2d 58m
29 Jun 2017 @ 0846 ie17h 38m
28 Jun 2017 @ 1508 A4h 27m
28 Jun 2017 @ 1041 ie20h 13m
27 Jun 2017 @ 1428 ie4h 25m
27 Jun 2017 @ 1003 ie15h 57m
26 Jun 2017 @ 180623h 20m
25 Jun 2017 @ 1846 ie wc2d 9h 51m
23 Jun 2017 @ 0855 ie6d 21h 7m
16 Jun 2017 @ 11485d 20h 59m
10 Jun 2017 @ 1449 ie wc23h 45m
09 Jun 2017 @ 1504 ie wc4h 48m
09 Jun 2017 @ 1016 ns wc3d 16h 40m
05 Jun 2017 @ 1736 ie wc10h 45m
05 Jun 2017 @ 0651 ie1d 12h 13m

Interval Statistics

Interval Count100
Min2h 5m
Max220d 1h 52m
Mean4d 17h 45m
Median23h 44m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10986 19 Apr 2019 @ 0927 --- udo Very dark bacteria growth = cooled considerably from last fall. sad.
10300 16 Sep 2018 @ 1340 --- Siegmund Full to the brim, brown bacteria in crater.
8550 01 Jun 2018 @ 2028 01 Jun 2018 @ 2200 Siegmund Quietly overflowing.
8129 09 May 2018 @ 0916 --- udo Plate has heated up and is now clear. Orange bacteria seen weeks ago is gone.
4826 07 Aug 2017 @ 1741 --- JSJ Plate Geyser's basin was water-filled and overflowing.
4428 09 Jul 2017 @ 1239 --- udo 1st doming bubbles seen
4098 16 May 2017 @ 1354 --- Betty Plate or Slot ie, but I never know which one it is
2959 03 Jun 2016 @ 1240 --- JSJ Plate Geyser's basin is water-filled.
2814 04 May 2016 @ 1330 --- udo Overflowing with small ripples.
2797 29 Apr 2016 @ 1323 --- Siegmund Overflowing. Algae only at edges of crater and in runoff channel (in contrast to opening weekend when the crater itself was orange)
2748 17 Apr 2016 @ 1534 --- mhreed Full with orange bacteria in crater.
110 17 Feb 2012 @ 0000 17 Feb 2012 @ 2359 ofcarolyn quite a bit of steam today, couldn\'t be sure of water
15303 13 Oct 1996 @ 1427 --- JarnoO overflowing
14395 28 Sep 1995 @ 1520 --- JarnoO overflow
14281 05 Feb 1995 @ 1630 --- JarnoO not before 1630
12737 08 Sep 1994 @ 2000 08 Sep 1994 @ 2009 JarnoO 20:0x
12643 02 May 1994 @ 1304 02 May 1994 @ 1354 JarnoO 13:x4
12355 22 Dec 1993 @ 1600 22 Dec 1993 @ 1609 JarnoO 16:0x ie
12320 21 Sep 1993 @ 1130 21 Sep 1993 @ 1139 JarnoO 11:3x
5675 28 Aug 1992 @ 1800 28 Aug 1992 @ 1859 JarnoO 18:xx
5429 09 Jul 1992 @ 2100 09 Jul 1992 @ 2159 JarnoO 21:xx
Baseline does not exist.