Last Known Eruption
82d 3h 19m ago

Latest Eruptions

Eruption DurationInterval
29 May 2025 @ 18442d 2m
27 May 2025 @ 18423d 4h 55m
24 May 2025 @ 13473m
24 May 2025 @ 13444m
24 May 2025 @ 134022m
24 May 2025 @ 131833m
24 May 2025 @ 124532d 22h 24m
21 Apr 2025 @ 14218m
21 Apr 2025 @ 1413 ie189d 22h 22m
13 Oct 2024 @ 155119d 6h 18m
24 Sep 2024 @ 0933 maj3m
24 Sep 2024 @ 0930 maj4m
24 Sep 2024 @ 0926 maj11m
24 Sep 2024 @ 0915 maj91d 21h 46m
24 Jun 2024 @ 1129 ie24d 1h 8m
31 May 2024 @ 10212d 14h 33m
28 May 2024 @ 1948254d 6h 5m
17 Sep 2023 @ 134312m
17 Sep 2023 @ 13317d 5h 59m
10 Sep 2023 @ 07327d 12h 44m
02 Sep 2023 @ 18481d 6h 54m
01 Sep 2023 @ 1154 ie55d 2h 21m
08 Jul 2023 @ 093314m
08 Jul 2023 @ 09194m
08 Jul 2023 @ 09159m
08 Jul 2023 @ 090620m
08 Jul 2023 @ 08462m
08 Jul 2023 @ 084422d 12h 49m
15 Jun 2023 @ 195513d 12h 20m
02 Jun 2023 @ 07356m
02 Jun 2023 @ 072912h 40m
01 Jun 2023 @ 18494m
01 Jun 2023 @ 1845228d 2h 28m
16 Oct 2022 @ 161711m
16 Oct 2022 @ 16066m
16 Oct 2022 @ 160021d 23h 39m
24 Sep 2022 @ 162116d 21h 18m
07 Sep 2022 @ 1903 ie4d 6h 8m
03 Sep 2022 @ 12554m
03 Sep 2022 @ 12513m
03 Sep 2022 @ 124815d 15m
19 Aug 2022 @ 12335m
19 Aug 2022 @ 122862d 38m
18 Jun 2022 @ 11502d 22h 28m
15 Jun 2022 @ 132224d 23h 35m
21 May 2022 @ 13472m
21 May 2022 @ 1345252d 22h 20m
10 Sep 2021 @ 152530d 5h 42m
11 Aug 2021 @ 09438d 19h 24m
02 Aug 2021 @ 141915m
02 Aug 2021 @ 14048d 18h 18m
24 Jul 2021 @ 1945:533m
24 Jul 2021 @ 19423m
24 Jul 2021 @ 193911m
24 Jul 2021 @ 1927:283m 45s
24 Jul 2021 @ 1923:435m 34s
24 Jul 2021 @ 1918:095m 50s
24 Jul 2021 @ 1912:19 min3m
24 Jul 2021 @ 1909282d 7h 12m
15 Oct 2020 @ 11578d 0m
07 Oct 2020 @ 11572m
07 Oct 2020 @ 11553m
07 Oct 2020 @ 115299d 17h 48m
29 Jun 2020 @ 18042m
29 Jun 2020 @ 1802305d 3h 48m
29 Aug 2019 @ 141434m
29 Aug 2019 @ 134011m
29 Aug 2019 @ 132932d 21m
28 Jul 2019 @ 130811m
28 Jul 2019 @ 125724d 23h 22m
03 Jul 2019 @ 13353h 45m
03 Jul 2019 @ 09504m
03 Jul 2019 @ 094672d 20h 40m
21 Apr 2019 @ 1306 ie86d 3h 49m
25 Jan 2019 @ 0817 ie141d 20h 41m
05 Sep 2018 @ 12369m
05 Sep 2018 @ 12278m
05 Sep 2018 @ 12199m
05 Sep 2018 @ 1210363d 17h 51m
06 Sep 2017 @ 1819 ie3y 176d 8h 7m
15 Mar 2014 @ 101210y 196d 17h 37m
02 Sep 2003 @ 1635

Interval Statistics

Interval Count81
Min2m
Max10y 196d 17h 37m
Mean98d 37m
Median3h 45m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
41124 16 Aug 2025 @ 1800 --- JSJ Watched Jagged Spring last night, this afternoon, and this evening. Jagged and Ragged still going through concerted cycles of relatively calm, low water levels with mild splashing to energetic eruptions with higher water levels and larger, sometimes quite vigorous splashing. Water heights up to 2 to 3 meters (or more). The most energetic Jagged eruptions have clap-like to plunger-sounding splashes under the main blowhole & water splashing from the blowhole. Energetic Jagged eruptions can wet the boardwalk a bit.
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.
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