Last Known Eruption
8d 19h 33m ago

Latest Eruptions

Eruption DurationInterval
17 Oct 2021 @ 0741 ie20d 20h 9m
26 Sep 2021 @ 11325d 20h 49m
20 Sep 2021 @ 1443 ie5d 23h 37m
14 Sep 2021 @ 1506 ie1d 21h 0m
12 Sep 2021 @ 1806 ie1d 1h 13m
11 Sep 2021 @ 1653 ie1d 1h 29m
10 Sep 2021 @ 1524 ie3h 19m
10 Sep 2021 @ 1205 ie3d 15h 20m
06 Sep 2021 @ 2045 ie1d 11h 54m
05 Sep 2021 @ 0851 ns1d 16h 23m
03 Sep 2021 @ 1628 ie23h 13m
02 Sep 2021 @ 1715 ie1d 4h 39m
01 Sep 2021 @ 12363d 17h 55m
28 Aug 2021 @ 1841 ie3d 8h 53m
25 Aug 2021 @ 09483d 18h 49m
21 Aug 2021 @ 1459 ns19d 38m
02 Aug 2021 @ 1421 ie1d 20h 29m
31 Jul 2021 @ 1752 ns11d 9h 24m
20 Jul 2021 @ 082821h 44m
19 Jul 2021 @ 1044 ie1d 17h 59m
17 Jul 2021 @ 1645 ie2h 35m
17 Jul 2021 @ 1410 ie23h 8m
16 Jul 2021 @ 1502 ie20h 26m
15 Jul 2021 @ 1836 ie10h 30m
15 Jul 2021 @ 0806 ie19d 21h 56m
25 Jun 2021 @ 1010 ie2h 52m
25 Jun 2021 @ 0718 ie4d 15h 4m
20 Jun 2021 @ 1614 ie2d 2h 54m
18 Jun 2021 @ 1320 ie14h 35m
17 Jun 2021 @ 2245 ie3d 9h 9m
14 Jun 2021 @ 13366h 16m
14 Jun 2021 @ 07206d 22h 38m
07 Jun 2021 @ 0842 ie2d 12h 8m
04 Jun 2021 @ 2034 ie10h 59m
04 Jun 2021 @ 09352h 11m
04 Jun 2021 @ 0724 ie21h 55m
03 Jun 2021 @ 0929 ie14h 0m
02 Jun 2021 @ 1929 ie2d 8m
31 May 2021 @ 19211d 10h 51m
30 May 2021 @ 0830 ie20d 15h 13m
09 May 2021 @ 1717 ns3h 20m
09 May 2021 @ 1357 ie5d 33m
04 May 2021 @ 1324 ie15d 13m
19 Apr 2021 @ 1311 ie51d 23h 41m
26 Feb 2021 @ 1230 ie43d 2h 14m
14 Jan 2021 @ 1016 ie74d 18h 31m
31 Oct 2020 @ 1645 ie16d 4h 27m
15 Oct 2020 @ 1218 ie8d 50m
07 Oct 2020 @ 1128 ie15d 17h 23m
21 Sep 2020 @ 1805 ie2d 8h 28m
19 Sep 2020 @ 0937 ie8d 20h 55m
10 Sep 2020 @ 1242 ie4d 20h 12m
05 Sep 2020 @ 1630 ie8d 20h 38m
27 Aug 2020 @ 1952 ie6d 5h 20m
21 Aug 2020 @ 1432 ie6d 5h 9m
15 Aug 2020 @ 092319h 6m
14 Aug 2020 @ 1417 ie7d 21h 58m
06 Aug 2020 @ 1619 ie15d 6h 44m
22 Jul 2020 @ 0935 ie5d 22h 16m
16 Jul 2020 @ 1119 ie2d 1h 3m
14 Jul 2020 @ 1016 ie1d 3h 45m
13 Jul 2020 @ 0631 ie8d 11h 16m
04 Jul 2020 @ 1915 ns4d 1h 24m
30 Jun 2020 @ 1751 ie7h 22m
30 Jun 2020 @ 10293h 20m
30 Jun 2020 @ 07091h 46m 7d 21h 44m
22 Jun 2020 @ 09254d 23h 25m
17 Jun 2020 @ 1000 ie10d 1h 22m
07 Jun 2020 @ 08384d 19h 35m
02 Jun 2020 @ 1303110d 3h 16m
13 Feb 2020 @ 0847 ns20d 20h 29m
23 Jan 2020 @ 1218 ns19d 15h 56m
03 Jan 2020 @ 202217d 11h 37m
17 Dec 2019 @ 0845 ie59d 22h 9m
18 Oct 2019 @ 1136 ie12d 2h 6m
06 Oct 2019 @ 0930 ie4d 22h 56m
01 Oct 2019 @ 10344d 17h 42m
26 Sep 2019 @ 165220d 5h 33m
06 Sep 2019 @ 1119 ie19h 33m
05 Sep 2019 @ 1546 ie21h 53m
04 Sep 2019 @ 1753 ns6d 4h 21m
29 Aug 2019 @ 1332 ns4d 23h 39m
24 Aug 2019 @ 1353 ie19d 20h 11m
04 Aug 2019 @ 1742 ie7d 5h 8m
28 Jul 2019 @ 12342d 23h 8m
25 Jul 2019 @ 1326 ie4h 58m
25 Jul 2019 @ 0828 ie19d 18h 18m
05 Jul 2019 @ 1410 ie2d 59m
03 Jul 2019 @ 1311 ie22d 16m
11 Jun 2019 @ 1255 ie1d 19h 57m
09 Jun 2019 @ 1658 ie1d 7h 39m
08 Jun 2019 @ 0919 ie2d 12h 23m
05 Jun 2019 @ 2056 ie2d 8h 26m
03 Jun 2019 @ 1230 ie2d 4m
01 Jun 2019 @ 1226 ie23h 58m
31 May 2019 @ 1228 ie1d 4h 58m
30 May 2019 @ 0730 ie14h 29m
29 May 2019 @ 1701 ie1d 1h 12m
28 May 2019 @ 1549 ie8d 55m
20 May 2019 @ 1454 ns7d 6h 39m

Interval Statistics

Interval Count100
Min2h 11m
Max110d 3h 16m
Mean8d 21h 6m
Median3d 16h 37m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10391 20 Sep 2018 @ 1018 --- Siegmund Off. Grumbler very low (~5cm of bottom rock exposed) and calm.
10359 16 Sep 2018 @ 1640 --- Siegmund Off. Grumbler lower rock awash at 1645 (therefore Spouter about halfway through its quiet period)
3104 19 Jun 2016 @ 1228 --- Siegmund off at 1228. off again at 1512, eruption presumably missed in between
2739 16 Apr 2016 @ 1356 --- Siegmund Off. Grumbler at low level and splashing (so ~30-60 min since prev eruption ended)
2580 25 Oct 2015 @ 1201 --- Siegmund Off at 1201.
2576 24 Oct 2015 @ 1247 24 Oct 2015 @ 1816 Siegmund Off 1247-1306. On at 1635, likely the 1500ie eruption still. Off at 1816.
1663 29 May 2015 @ 1839 --- WillBoekel Spouter was not ie and the Gumper was low and gurgling loudly
EntrySourceLinkComment
04 Aug 2017 @ 1528 JSJ https://www.youtube.com/watch?v=Vp58CY-Rxg4 Video showing Spouter Geyser's preplay activity & 3:28 to 5:08 PM eruption on 4 August 2017.
08 Jun 2017 @ 1454 JSJ https://www.youtube.com/watch?v=kWW-coZmhQY Video compilation of Spouter Geyser's 2:54 to 4:56 PM eruption on 8 June 2017, including time lapse of most of eruption.
04 Aug 2017 @ 1528 JSJ https://www.youtube.com/watch?v=zlILEzpEj2s Time lapse video of Spouter Geyser's 3:28 to 5:08 PM eruption on 4 August 2017.
08 Jun 2017 @ 1454 JSJ https://www.youtube.com/watch?v=bL3KWZ7KsV0 Time lapse video of most of Spouter Geyser's 2:54 to 4:56 PM eruption on 8 June 2017.
08 Jun 2017 @ 1454 JSJ https://www.flickr.com/photos/jsjgeology/34752411423 Photo (1 of 3) of Spouter Geyser's 2:54 to 4:56 PM eruption on 8 June 2017.
03 Jun 2014 @ 1325 JSJ https://www.flickr.com/photos/jsjgeology/14984750770 Photo (1 of 4) of Spouter Geyser in eruption during the early to mid-afternoon of 3 June 2014.
03 Jun 2014 @ 1030 JSJ https://www.flickr.com/photos/jsjgeology/14984643329 Photo (1 of 4) of Spouter Geyser in eruption at 10:30 AM-onward, 3 June 2014.
05 Aug 2013 @ 1705 JSJ https://www.flickr.com/photos/jsjgeology/12823937005 Video clip (1 of 6) of Spouter Geyser in eruption during the late afternoon of 5 August 2013.
05 Aug 2013 @ 1705 JSJ https://www.flickr.com/photos/jsjgeology/14433317356 Photo (1 of many) of Spouter Geyser in eruption in the late afternoon of 5 August 2013.
Baseline does not exist.