Last Known Eruption
181d 18h 38m ago

Latest Eruptions

Eruption DurationInterval
28 Sep 2023 @ 17377h 24m
28 Sep 2023 @ 1013 ie14m
28 Sep 2023 @ 095915m
28 Sep 2023 @ 094449m
28 Sep 2023 @ 08551d 21h 53m
26 Sep 2023 @ 110225m
26 Sep 2023 @ 10372d 21h 35m
23 Sep 2023 @ 13023d 22h 32m
19 Sep 2023 @ 143022m
19 Sep 2023 @ 140812m
19 Sep 2023 @ 135614m
19 Sep 2023 @ 134240m
19 Sep 2023 @ 130214m
19 Sep 2023 @ 124811m
19 Sep 2023 @ 123720m
19 Sep 2023 @ 121721m
19 Sep 2023 @ 115626m
19 Sep 2023 @ 113012m
19 Sep 2023 @ 111810m
19 Sep 2023 @ 110824m
19 Sep 2023 @ 104422m
19 Sep 2023 @ 102229m
19 Sep 2023 @ 095314m
19 Sep 2023 @ 093912m
19 Sep 2023 @ 092711m
19 Sep 2023 @ 091615h 10m
18 Sep 2023 @ 1806 ie143d 2h 24m
28 Apr 2023 @ 1542 ns5m 1h 22m
28 Apr 2023 @ 1420 nsA few secs each burst1d 20h 58m
26 Apr 2023 @ 1722 ? ns5m 3d 3h 6m
23 Apr 2023 @ 1416 ie3y 273d 7h 35m
25 Jul 2019 @ 06411y 45d 10h 5m
09 Jun 2018 @ 203638m
09 Jun 2018 @ 19582m
09 Jun 2018 @ 19562m
09 Jun 2018 @ 1954 ini8m
09 Jun 2018 @ 19463m
09 Jun 2018 @ 19433m
09 Jun 2018 @ 19408m
09 Jun 2018 @ 19323m
09 Jun 2018 @ 19292m
09 Jun 2018 @ 1927 ini7d 30m
02 Jun 2018 @ 18572m
02 Jun 2018 @ 18552m
02 Jun 2018 @ 1853 ini34m
02 Jun 2018 @ 18193m
02 Jun 2018 @ 18161m
02 Jun 2018 @ 1815 ini37m
02 Jun 2018 @ 17383m
02 Jun 2018 @ 17351m
02 Jun 2018 @ 17342m
02 Jun 2018 @ 1732 ini3d 2h 2m
30 May 2018 @ 15302m
30 May 2018 @ 15282m
30 May 2018 @ 15261m
30 May 2018 @ 152537m
30 May 2018 @ 14483m
30 May 2018 @ 14452m
30 May 2018 @ 14431m
30 May 2018 @ 14425h 40m
30 May 2018 @ 09022m
30 May 2018 @ 09003m
30 May 2018 @ 08572m
30 May 2018 @ 0855 ini18h 6m
29 May 2018 @ 144913d 48m
16 May 2018 @ 140138m
16 May 2018 @ 1323 ie40m
16 May 2018 @ 124340m
16 May 2018 @ 12031h 33m
16 May 2018 @ 1030 ie>50m 18d 19h 10m
27 Apr 2018 @ 15205d 20h 2m
21 Apr 2018 @ 1918 ie31m
21 Apr 2018 @ 184728m
21 Apr 2018 @ 18194h 1m
21 Apr 2018 @ 141840m
21 Apr 2018 @ 1338 ie1h 13m
21 Apr 2018 @ 122520h 0m
20 Apr 2018 @ 16252h 24m
20 Apr 2018 @ 1401194d 21h 3m
07 Oct 2017 @ 16582m
07 Oct 2017 @ 1656 ini15m
07 Oct 2017 @ 16412m
07 Oct 2017 @ 16392m
07 Oct 2017 @ 1637 ini23d 3h 42m
14 Sep 2017 @ 1255 ie15d 34m
30 Aug 2017 @ 122196d 2h 2m
26 May 2017 @ 10198m
26 May 2017 @ 10111m
26 May 2017 @ 101018h 40m
25 May 2017 @ 15301d 18h 47m
23 May 2017 @ 20433m
23 May 2017 @ 20402m
23 May 2017 @ 2038226d 5h 13m
09 Oct 2016 @ 15254h 32m
09 Oct 2016 @ 10532m
09 Oct 2016 @ 10512m
09 Oct 2016 @ 104931m
09 Oct 2016 @ 10182m
09 Oct 2016 @ 10163m
09 Oct 2016 @ 10132m

Interval Statistics

Interval Count100
Min1m
Max3y 273d 7h 35m
Mean25d 10h 52m
Median21m
Initial-to-Initial
Interval Count7
Min19m
Max234d 15h 59m
Mean35d 28m
Median43m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
28759 14 Oct 2023 @ 1116 --- SantaFe108 Perpetual spouting.
28713 08 Oct 2023 @ 0915 08 Oct 2023 @ 1820 SantaFe108 Perpetually splashing during my time at Fountain.
27483 09 Aug 2023 @ 1433 --- JSJ K13 has been quiet all afternoon. No restlessness, as was common in previous seasons.
26386 16 Jun 2023 @ 1438 --- JSJ Occasionally restless this afternoon.
17991 09 Jun 2021 @ 1433 --- JSJ Restless splashing.
18537 03 Jun 2021 @ 1108 --- JSJ Engaged in relatively low, restless splashing.
17362 01 Jun 2021 @ 1439 --- JSJ Usual restless splashing all afternoon.
17218 27 May 2021 @ 1257 --- JSJ Restless splashing all day - both vents doing this.
15562 13 Aug 2020 @ 1256 --- JSJ Restless & churning & doming all afternoon.
15526 11 Aug 2020 @ 1114 --- JSJ Churning/restless at all times in the late morning & afternoon.
15376 04 Aug 2020 @ 0836 --- JSJ Restless all morning, with frequent churning and low bursting - same as two days ago.
15157 02 Aug 2020 @ 1328 --- JSJ Restless with churning / low bursting all afternoon. Water level a bit low (same as Deep Blue).
13396 13 Aug 2019 @ 1331 13 Aug 2019 @ 1506 JSJ 1331 - restless. Ditto at 1449 and 1506. No full eruptions.
13185 11 Aug 2019 @ 1405 11 Aug 2019 @ 1707 JSJ 1405 - calm (it has been). 1707 - starting to get restless
12938 01 Aug 2019 @ 1301 --- JSJ Restless most of the afternoon.
11773 13 Jun 2019 @ 1245 --- JSJ Calm & quiet.
11636 07 Jun 2019 @ 1013 --- JSJ Restless today. Roiling, churning, surging.
9465 04 Aug 2018 @ 1637 04 Aug 2018 @ 1913 JSJ K13 quiet and calm at 1637 - no roiling. Noticed K13 was restless at 1854, with doming and roiling. This continued to 1913 at least.
8737 16 Jun 2018 @ 1300 16 Jun 2018 @ 1754 JSJ K13 was restless from 1 to 2 vents for most of the afternoon, from 1300 to 1632. Noticed K13 was calm at 1647. Stayed calm the rest of the afternoon (e.g., 1704 and 1754). No full eruptions.
8669 13 Jun 2018 @ 1458 13 Jun 2018 @ 1555 JSJ K13 restless this afternoon, sometimes from one vent, sometimes two.
5420 10 Aug 2017 @ 1422 10 Aug 2017 @ 1803 JSJ K13 was calm at 1422 and 1511. Restless at 1803.
4831 06 Aug 2017 @ 1258 06 Aug 2017 @ 2030 JSJ UNNG-KLD-K13 was often restless, but there were intervals of calm. Restless activity included roiling, doming, and low to moderate-sized (almost impressively-sized) spouting. No full eruptions.
4674 01 Aug 2017 @ 1907 01 Aug 2017 @ 1955 JSJ K13 was restless this evening. Saw moderately frequent roiling, doming, and low to medium-sized spouting. No full eruptions.
4571 28 Jul 2017 @ 1634 28 Jul 2017 @ 1851 JSJ No full eruptions, but moderately restless this afternoon and evening. Gently roiling at 1634. Brief, low to medium-sized spouting at 1636 and 1642. Noticed restless roiling/low spouting/doming at 1650, 1652, 1700, 1702, 1707, 1708, 1735, 1752, 1801, 1805, 1811, 1815, 1821, 1825, 1834, 1836, 1842, and 1851.
4192 03 Jun 2017 @ 1127 03 Jun 2017 @ 1403 JSJ UNNG-KLD-13 restless today. Common roiling/doming. Occasional decent spouting.
3032 09 Jun 2016 @ 1230 09 Jun 2016 @ 1717 JSJ Was restless for most of the afternoon. Some details: medium-sized bursting at 1230, 1235, 1238, 1240, and 1245. Doming at 1232 and 1242 and 1248. Medium-sized bursting at 1257 and 1259. Doming to moderately low splashing at 1302, 1304, 1309, and 1313. Medium-sized bursting at 1308 and 1310 and 1314 to 1315. Still restless at 1348. . . K13 in a calm state at 1421 to 1507. Very slight roiling at 1526. Roiling to low doming at 1531, 1533, 1546. Medium-sized bursting at 1550. Roiling at 1556 and 1557. Roiling to low bursting at 1559. Slight roiling at 1606. Moderately low burst at 1608. Moderately low to medium-sized bursting at 1611. Roiling at 1619, and 1633 to 1645. Roiling to low bursting at 1625 and 1628. Medium-sized bursting at 1647. Moderately low bursting at 1649. Medium-sized bursting at 1650 to 1651. Roiling to low to moderately low splashing at 1651 to 1654. Medium-sized bursting at 1656 to 1659. Moderately low to medium-sized bursting from 1700 to 1717. Noticed that this sort of thing continued during Fountain Geyser's late afternoon eruption.
2984 05 Jun 2016 @ 1350 05 Jun 2016 @ 1619 JSJ K13 started roiling at 1350. Low to medium-sized bursts at 1352. Noticed roiling from 1354 to 1405. Calm at early 1408. Churning at late 1408 to 1429. Relatively low to medium bursting at 1430 and 1435-1436 and 1439. Churning from 1440 onward. Medium-sized bursting at 1443. Calm at 1446. Churning at 1454 and 1456 and 1459. Calm at 1504. Churning at 1505. Medium-sized bursting at 1507. Churning at 1508 and 1514. Low to medium-sized bursting at 1516. Calm at early 1530. Brief, large churning at late 1530. Mild churning at 1532. Calm at 1537 and at 1606 and at 1619.
2557 13 Aug 2015 @ 1100 13 Aug 2015 @ 1800 JSJ No full eruptions of UNNG-KLD-K13 observed during the late morning & afternoon of 13 August 2015. Three doming spouting events between ~1415 and ~1421. Intermittent low to medium-sized bursting at 1427 to 1434 to 1444 to 1457 onward. Brief, low to medium-sized bursting at 1514. Relatively low bursting at 1516 & at 1531 & at 1545 & at 1549 & at 1553.
2033 06 Aug 2015 @ 1100 06 Aug 2015 @ 1900 JSJ No K13 eruptions observed. Low spouting observed between 1200 and 1330, but I didn't note the exact time.
EntrySourceLinkComment
14 May 2015 @ 1614 JSJ https://www.youtube.com/watch?v=G-2B3A6aVsY Clip # 3 of this video compilation.
14 May 2015 @ 1610 JSJ https://www.youtube.com/watch?v=G-2B3A6aVsY Clip # 2 of this video compilation.
14 May 2015 @ 1605 JSJ https://www.youtube.com/watch?v=G-2B3A6aVsY Clip # 1 of this video compilation.
Baseline does not exist.