| Interval Count | 100 |
| Min | 2h 11m |
| Max | 110d 3h 16m |
| Mean | 8d 13h 29m |
| Median | 3d 4h 0m |
| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
|---|---|---|---|---|
| 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 |
| Entry | Source | Link | Comment |
|---|---|---|---|
| 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. |