| Eruption | Duration | Interval |
|---|---|---|
| 10 Sep 2021 @ 1525 | 30d 5h 42m | |
| 11 Aug 2021 @ 0943 | 8d 19h 24m | |
| 02 Aug 2021 @ 1419 | 15m | |
| 02 Aug 2021 @ 1404 | 8d 18h 18m | |
| 24 Jul 2021 @ 1945:53 | 3m | |
| 24 Jul 2021 @ 1942 | 3m | |
| 24 Jul 2021 @ 1939 | 11m | |
| 24 Jul 2021 @ 1927:28 | 3m 45s | |
| 24 Jul 2021 @ 1923:43 | 5m 34s | |
| 24 Jul 2021 @ 1918:09 | 5m 50s | |
| 24 Jul 2021 @ 1912:19 min | 3m | |
| 24 Jul 2021 @ 1909 | 282d 7h 12m | |
| 15 Oct 2020 @ 1157 | 8d 0m | |
| 07 Oct 2020 @ 1157 | 2m | |
| 07 Oct 2020 @ 1155 | 3m | |
| 07 Oct 2020 @ 1152 | 99d 17h 48m | |
| 29 Jun 2020 @ 1804 | 2m | |
| 29 Jun 2020 @ 1802 | 305d 3h 48m | |
| 29 Aug 2019 @ 1414 | 34m | |
| 29 Aug 2019 @ 1340 | 11m | |
| 29 Aug 2019 @ 1329 | 32d 21m | |
| 28 Jul 2019 @ 1308 | 11m | |
| 28 Jul 2019 @ 1257 | 24d 23h 22m | |
| 03 Jul 2019 @ 1335 | 3h 45m | |
| 03 Jul 2019 @ 0950 | 4m | |
| 03 Jul 2019 @ 0946 | 72d 20h 40m | |
| 21 Apr 2019 @ 1306 ie | 86d 3h 49m | |
| 25 Jan 2019 @ 0817 ie | 141d 20h 41m | |
| 05 Sep 2018 @ 1236 | 9m | |
| 05 Sep 2018 @ 1227 | 8m | |
| 05 Sep 2018 @ 1219 | 9m | |
| 05 Sep 2018 @ 1210 | 363d 17h 51m | |
| 06 Sep 2017 @ 1819 ie | 3y 176d 8h 7m | |
| 15 Mar 2014 @ 1012 | 10y 196d 17h 37m | |
| 02 Sep 2003 @ 1635 |
| Interval Count | 34 |
| Min | 2m |
| Max | 10y 196d 17h 37m |
| Mean | 193d 14h 47m |
| Median | 24m |
| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
|---|---|---|---|---|
| 17266 | 30 May 2021 @ 0900 | --- | Stephen_Gemar | A burst from Jagged Spring cleared the boardwalk. |
| 16358 | 07 Oct 2020 @ 1120 | --- | steve | At about 1120 I saw Jagged Spring erupt to over ten feet. I was talking to someone and forgot the exact time. |
| 8605 | 09 Jun 2018 @ 1857 | --- | JSJ | Jagged Spring startled me with a crashing splash. |