Last Known Eruption
64d 43m ago

Latest Eruptions

Eruption DurationInterval
22 Jan 2023 @ 1249 ie11d 19h 59m
10 Jan 2023 @ 165010d 3h 8m
31 Dec 2022 @ 1342 ns9d 23h 22m
21 Dec 2022 @ 142053d 19m
29 Oct 2022 @ 150112d 23h 45m
16 Oct 2022 @ 15161d 21h 28m
14 Oct 2022 @ 17484d 57m
10 Oct 2022 @ 16513h 24m
10 Oct 2022 @ 13271d 23h 8m
08 Oct 2022 @ 14192d 20h 32m
05 Oct 2022 @ 1747 ns1h 16m
05 Oct 2022 @ 1631 ns1h 6m
05 Oct 2022 @ 152522h 27m
04 Oct 2022 @ 165834m 7h 4m
04 Oct 2022 @ 0954 ie17h 15m
03 Oct 2022 @ 163953m
03 Oct 2022 @ 154621m 22h 28m
02 Oct 2022 @ 171815m
02 Oct 2022 @ 170325m
02 Oct 2022 @ 16382d 5h 21m
30 Sep 2022 @ 1117<4m 3d 17h 36m
26 Sep 2022 @ 1741 ie10h 26m
26 Sep 2022 @ 07152m 1d 19h 24m
24 Sep 2022 @ 115137m 1h 41m
24 Sep 2022 @ 1010<16m 17h 44m
23 Sep 2022 @ 1626 ie1h 16m
23 Sep 2022 @ 1510 ie6h 46m
23 Sep 2022 @ 0824 ns~41m 1h 26m
23 Sep 2022 @ 0658 ie1d 21h 23m
21 Sep 2022 @ 093517h 16m
20 Sep 2022 @ 1619 ns~29m 2h 31m
20 Sep 2022 @ 1348 ns>22m 18h 42m
19 Sep 2022 @ 1906 ns~20m 1h 51m
19 Sep 2022 @ 1715 ns~24m 49m
19 Sep 2022 @ 1626 ie3h 1m
19 Sep 2022 @ 1325 ns1d 19h 44m
17 Sep 2022 @ 17414h 30m
17 Sep 2022 @ 13112h 11m
17 Sep 2022 @ 1100 ie>32m 35m
17 Sep 2022 @ 1025<10m 3h 10m
17 Sep 2022 @ 0715<10m 14h 57m
16 Sep 2022 @ 16184d 1h 20m
12 Sep 2022 @ 1458 ie5h 50m
12 Sep 2022 @ 090828m 15h 13m
11 Sep 2022 @ 1755 ns2h 32m
11 Sep 2022 @ 152323m 2h 33m
11 Sep 2022 @ 125028m 23h 0m
10 Sep 2022 @ 1350 ns5h 10m
10 Sep 2022 @ 084017h 54m
09 Sep 2022 @ 1446 ie1h 30m
09 Sep 2022 @ 1316 ns4h 17m
09 Sep 2022 @ 085919h 21m
08 Sep 2022 @ 1338 ns1h 10m 1d 19h 25m
06 Sep 2022 @ 18134h 20m
06 Sep 2022 @ 13535h 45m
06 Sep 2022 @ 080831m 1d 12h 57m
04 Sep 2022 @ 1911 ns1h 59m
04 Sep 2022 @ 1712 ns3h 42m
04 Sep 2022 @ 13302d 20h 57m
01 Sep 2022 @ 1633 ie4d 20h 25m
27 Aug 2022 @ 200825m 1d 2h 43m
26 Aug 2022 @ 172530m 6d 2h 56m
20 Aug 2022 @ 142921h 18m
19 Aug 2022 @ 17119h 54m
19 Aug 2022 @ 07171d 23h 16m
17 Aug 2022 @ 08012m 19h 26m
16 Aug 2022 @ 1235 ie17h 47m
15 Aug 2022 @ 18485h 14m
15 Aug 2022 @ 13342d 20h 48m
12 Aug 2022 @ 1646 ie2d 14h 19m
10 Aug 2022 @ 0227 ns2h 59m
09 Aug 2022 @ 23283d 41m
06 Aug 2022 @ 22471d 2h 11m
05 Aug 2022 @ 20362h 23m
05 Aug 2022 @ 181321h 55m
04 Aug 2022 @ 20181h 24m
04 Aug 2022 @ 1854 ie22h 8m
03 Aug 2022 @ 20464d 6h 12m
30 Jul 2022 @ 1434 ie>41m 1d 3h 12m
29 Jul 2022 @ 112227m 18h 55m
28 Jul 2022 @ 16275h 45m
28 Jul 2022 @ 104227m 14h 59m
27 Jul 2022 @ 1943 ns5h 28m
27 Jul 2022 @ 141512m 2d 7h 55m
25 Jul 2022 @ 062022m 20h 18m
24 Jul 2022 @ 100224m 4h 18m
24 Jul 2022 @ 0544 ie8h 26m
23 Jul 2022 @ 2118 ie2h 22m
23 Jul 2022 @ 1856 ie3m
23 Jul 2022 @ 18534h 21m
23 Jul 2022 @ 143235m 6h 38m
23 Jul 2022 @ 075428m 11h 52m
22 Jul 2022 @ 2002 ns9h 23m
22 Jul 2022 @ 103923m 12h 18m
21 Jul 2022 @ 22215h 1m
21 Jul 2022 @ 17205h 0m
21 Jul 2022 @ 122032m 1d 16h 15m
19 Jul 2022 @ 200526m 4h 50m
19 Jul 2022 @ 151522m 20h 13m
18 Jul 2022 @ 190220m 1h 37m

Interval Statistics

Interval Count100
Min3m
Max53d 19m
Mean1d 21h 5m
Median13h 37m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
24863 10 Jan 2023 @ 1550 --- Graham Splashing
24699 10 Oct 2022 @ 1259 --- Tara low splash
24151 28 Sep 2022 @ 1745 --- Graham No eruption seen in last 12h.
23435 27 Aug 2022 @ 1544 --- Tara low splashes
24553 26 Aug 2022 @ 1428 --- Tara low splashes
24549 20 Aug 2022 @ 2013 --- Tara low gurgle
24547 17 Aug 2022 @ 1857 17 Aug 2022 @ 1903 Tara episodes of noisy gurgling at 1857 and 1903, no water visible
23167 13 Aug 2022 @ 2144 --- mjacka Three eruptions seen from 0741 to 1502. 0907 for 18 minutes, 1115 for 58 minutes, and 1444 for 17 minutes.
23062 05 Aug 2022 @ 1709 --- Tara low gurgling, no water visible
23021 26 Jul 2022 @ 2119 --- Tara low splashes
22411 08 Jul 2022 @ 1753 --- Tara low splashes
22221 28 Jun 2022 @ 1958 --- Tara low splashes
22076 23 Jun 2022 @ 0525 23 Jun 2022 @ 1535 LynnS Twig did not exhibit any type of eruptive behavior during this time frame.
22070 22 Jun 2022 @ 2145 --- Tara Loud gurgling, no water.
22071 22 Jun 2022 @ 0820 22 Jun 2022 @ 1752 LynnS Twig did not erupt during this time.
22028 18 Jun 2022 @ 1913 18 Jun 2022 @ 1950 Tara Periods if grumbling, starting quiet and getting louder, at: 1913, 1921, 1928, 1937, 1943, 1950
21648 01 Jun 2022 @ 2123 --- Tara noisy gurgling again, lasted ~3m
21647 01 Jun 2022 @ 2114 --- Tara noisy gurgling
21256 12 May 2022 @ 1959 --- Tara more gurgling followed by low splashes
21255 12 May 2022 @ 1955 --- Tara loud gurgling and a few spits
21183 05 May 2022 @ 1920 --- Tara low splashing for about 4 minutes
20794 07 Feb 2022 @ 1350 --- aferrara Pooling water, tall rolling boil
19207 31 Aug 2021 @ 1807 --- Graham Splashed up but didn't erupt.
18756 31 Jul 2021 @ 0636 31 Jul 2021 @ 0639 LynnS Splashing inside tube
18627 24 Jul 2021 @ 0605 --- LynnS Quiet; dry around the crater
18312 08 Jul 2021 @ 0819 --- Barbara Lasseter Playing 2-3 feet from a pool in the crater after a series of splashing episodes of increasing strength
18212 30 Jun 2021 @ 2117 --- William splashed but did not erupt
18205 30 Jun 2021 @ 1540 --- Graham Boiling and splashing at depth.
18206 30 Jun 2021 @ 1529 --- Graham Boiling and splashing at depth.
18207 30 Jun 2021 @ 1420 --- Graham Boiling and splashing at depth.
18209 30 Jun 2021 @ 1010 --- Graham In cone boiling and splashing.
18210 30 Jun 2021 @ 0908 --- Graham In cone boiling and splashing for 3m.
18192 29 Jun 2021 @ 1738 --- Tara splashing low in crater
18014 22 Jun 2021 @ 0747 22 Jun 2021 @ 0813 LynnS Intermittent Splashing inside the tube. Active 0747-0749; 0754; 0802; 0811-0813
17618 09 Jun 2021 @ 1831 --- Graham Noisy gurgling at depth.
17622 09 Jun 2021 @ 0832 --- Graham In cone splashing. Pooling water but did not erupt.
17623 09 Jun 2021 @ 0825 --- Graham In cone splashing.
17624 09 Jun 2021 @ 0738 --- Graham In cone splashing.
17625 09 Jun 2021 @ 0730 --- Graham In cone splashing
17342 01 Jun 2021 @ 1424 --- Graham Gurgling and splashing for 3 to 5m.
17215 27 May 2021 @ 1433 --- JSJ Low splashing in vent at 1433, but no standing water and no proper eruption.
17214 27 May 2021 @ 1409 --- JSJ Splashing in vent at 1409, but no standing water, then done. Repeat at 1410 - done at 1412. No proper eruption.
17213 27 May 2021 @ 1200 --- JSJ Splashing water in vent, but no standing water and no proper eruption. Done at 1200.
15918 29 Aug 2020 @ 1940 --- Tara Water came up about 3/4 of the way with a few splashes, then dropped out of sight
15701 23 Aug 2020 @ 1130 --- aferrara splashing up and out of crater
15124 29 Jul 2020 @ 0717 29 Jul 2020 @ 0725 LynnS Bursting in tube from 0717-0720 and 0724-0725 but did not erupt
14699 20 Jun 2020 @ 0826 20 Jun 2020 @ 1300 LynnS There was no activity during this time period, not even splashing in the tube.
14671 18 Jun 2020 @ 1233 --- LynnS Splashing in tube and above ground for about two minutes; pool didn’t fill.
14670 18 Jun 2020 @ 1219 --- LynnS Splashing inside tube and above ground for about two minutes; pool didn’t fill.
14669 18 Jun 2020 @ 1210 --- LynnS Splashed in tube and above ground about 2 minutes; pool didn’t fill.
14668 18 Jun 2020 @ 1147 --- LynnS Splashing inside tube and above ground for about 5 minutes. Pool didn’t fill.
14519 03 Jun 2020 @ 0549 03 Jun 2020 @ 0551 LynnS Twig bursting inside tube, water droplets did not get above ground level, no water pooled in tube
14478 01 Jun 2020 @ 0550 01 Jun 2020 @ 1700 LynnS Twig did not have any eruptive activity during this time frame, not even any splashing inside the tube.
14479 31 May 2020 @ 0615 31 May 2020 @ 1700 LynnS Twig did not have any type of eruptive activity during this period, not even any splashing inside the tube.
14481 28 May 2020 @ 0830 28 May 2020 @ 1900 LynnS Twig did not have any type of eruptive activity during this time frame, not even any splashing inside the tube.
13557 05 Sep 2019 @ 0545 --- Graham Gurgling after Fountain
13058 05 Aug 2019 @ 1952 --- Stephen_Gemar Appears post eruptive upon arrival. Area around the crater wet.
12943 01 Aug 2019 @ 2130 01 Aug 2019 @ 2305 Tara Quiet for entire observation period.
12911 01 Aug 2019 @ 0641 01 Aug 2019 @ 0748 rbwhitaker No Twig during this time, which includes a Fountain eruption
12908 31 Jul 2019 @ 2335 --- Tara gurgling, no water visible
12879 31 Jul 2019 @ 0700 --- rbwhitaker Empty, dry, small amount of steam coming from vent.
12485 14 Jul 2019 @ 1336 --- jazzknick Water becomes visible with strong splashing
12478 13 Jul 2019 @ 1916 --- Tara Splashing with visible water level for about a minute, then dropped and gurgled for another minute or so. No eruption as of 2140.
12375 05 Jul 2019 @ 0630 05 Jul 2019 @ 1853 LynnS Twig did not erupt during this time.
12082 02 Jul 2019 @ 2314 --- Tara Splashing from a full pool on arrival, did not continue
12041 29 Jun 2019 @ 2050 --- Tara No eruption as of 2050.
12042 29 Jun 2019 @ 1928 29 Jun 2019 @ 1932 Tara Two episodes of splashing within vent, no water level seen. Heard gurgling before and after but it had not erupted as of the end of Fountain.
12018 28 Jun 2019 @ 0450 28 Jun 2019 @ 1430 LynnS Twig did not erupt during this time.
11997 27 Jun 2019 @ 2126 --- Tara Splashed as if it was starting but did not continue, I'd turned my back to look at Spasm but it probably lasted less than 2 minutes.
11847 16 Jun 2019 @ 1715 16 Jun 2019 @ 1905 LynnS Break in data collection
11844 16 Jun 2019 @ 1420 16 Jun 2019 @ 1620 LynnS Break in data collection
11843 16 Jun 2019 @ 0510 16 Jun 2019 @ 1420 LynnS Twig did not erupt during this time.
11391 28 May 2019 @ 1115 --- Graham Erupted for about 1m.
11277 21 May 2019 @ 0550 --- Micah Kipple Looks post eruptive. Heavily steaming with big puddle surrounding it
11214 11 May 2019 @ 1200 --- Tara Wet all around crater, looks like it quit recently
10345 22 Sep 2018 @ 1648 --- Tara Water in east catchbasin. May have been i.e. at 1630, hard to tell from road.
10581 18 Sep 2018 @ 1340 --- Polly Twig splashing
10580 18 Sep 2018 @ 1335 --- Polly Twig bubbling.
10668 09 Aug 2018 @ 1426 09 Aug 2018 @ 1543 JSJ In weak, intermittent spouting at 1426 from no pool; done at 1427. Another eruption at 1526 - sporadic low spouting from no pool; done at 1527. Eruption at 1532 - also sporadic low spouting from no pool; done at 1532. Eruption at 1541 - same type of activity; slight increase in eruptive intensity at 1542; done at 1542 or 1543.
8218 16 May 2018 @ 1417 --- imapayne sputtered but never erupted.
4884 12 Aug 2017 @ 2046 --- Tara Gurgling & splashing at 2046 and 2052.
4464 14 Jul 2017 @ 1627 --- Tara Gurgling just prior to start of Fountain.
4381 30 Jun 2017 @ 2112 --- Tara Splashing and gurgling, lasted less than a minute.
4247 06 Jun 2017 @ 2000 06 Jun 2017 @ 2154 LynnS Twig did not erupt during this time.
4226 03 Jun 2017 @ 1942 --- Tara Twig splashing in vent.
4230 03 Jun 2017 @ 1023 --- Tara Twig splashing in vent.
4231 30 May 2017 @ 2038 --- Tara Twig splashing in vent.
4087 12 May 2017 @ 1241 12 May 2017 @ 1248 Tara Twig gurgled at 1241, then splashed weakly on and off from 1242 to 1248 without ever filling the pool. It was empty from 1248 until the actual eruption started at 1300.
3737 01 Oct 2016 @ 1547 --- Tara Low splashing lasting about a minute.
2322 11 Sep 2015 @ 2030 11 Sep 2015 @ 2155 Micah Kipple No twig during this time period. Including during Fountain.
1603 14 May 2015 @ 1817 14 May 2015 @ 1818 JSJ No Twig eruption during or after Fountain Geyser's 1039 to 1110 eruption. Twig was slightly spitting at 1817 & done at 1818.
1564 06 May 2015 @ 1218 --- Jake splashing up to 2 feet from deep in the vent without filling to erupt
812 27 May 2013 @ 0213 --- Graham No twig by 0213 when I left
213 03 Sep 2011 @ 2003 --- LynnS did not erupt with 2003 Fountain eruption
212 03 Sep 2011 @ 0620 --- LynnS did not erupt with 0620 Fountain
209 28 Aug 2011 @ 1134 --- LynnS Did not erupt with 1134 Fountain eruption
204 08 Jun 2011 @ 0708 --- LynnS did not erupt with 0708ie eruption of Fountain
203 07 Jun 2011 @ 1815 --- LynnS did not erupt with Fountain's 1815 eruption
198 31 May 2011 @ 1318 --- LynnS did not erupt with 1318 eruption of Fountain
197 30 May 2011 @ 0500 --- LynnS did not erupt with 0500ie Fountain
EntrySourceLinkComment
13 Aug 2020 @ 1731 JSJ https://www.youtube.com/watch?v=zX2fOQzKZWo Video showing Twig Geyser erupting in the late afternoon of 13 August 2020.
10 Aug 2017 @ 1722 JSJ https://www.youtube.com/watch?v=c77Ro1u0iyg#t=2m33s Clips 10-18 of this video compilation (time stamp 2:33 to the end) show Twig Geyser's 5:22 to 5:59 PM eruption on 10 August 2017.
09 Jun 2016 @ 1221 JSJ https://www.youtube.com/watch?v=c77Ro1u0iyg#t=1m59s Clip 9 of this video compilation (time stamp 1:59 to 2:32) shows Twig Geyser's 12:21 PM-onward eruption on 9 June 2016.
13 Aug 2015 @ 1900 JSJ https://www.youtube.com/watch?v=c77Ro1u0iyg#t=1m09s Clips 5-8 of this video compilation (time stamp 1:09 to 1:58) show Twig Geyser in eruption from 7:00 PM onward on 13 August 2015.
13 Aug 2015 @ 1335 JSJ https://www.youtube.com/watch?v=c77Ro1u0iyg#t=0m48s Clip 4 of this video compilation (time stamp 0:48 to 1:08) shows Twig Geyser's 1:35 PM-onward eruption on 13 August 2015.
06 Aug 2015 @ 1912 JSJ https://www.youtube.com/watch?v=c77Ro1u0iyg Clips 1-3 of this video compilation (beginning to time stamp 0:47) show Twig Geyser's 7:12 PM-onward eruption on 6 August 2015.
28 Jul 2017 @ 1528 JSJ https://www.flickr.com/photos/jsjgeology/36580518625 Photo (1 of 5) of Twig Geyser's 3:28 to 4:23 PM eruption on 28 July 2017.
10 Aug 2017 @ 1722 JSJ https://www.flickr.com/photos/jsjgeology/36580493605 Photo of Twig Geyser's 5:22 to 5:59 PM eruption on 10 August 2017.
12 Jul 2014 @ 1605 JSJ https://www.flickr.com/photos/jsjgeology/15137601378 Photo of Twig Geyser's 4:05 to 4:44 PM eruption on 12 July 2014.
17 Aug 2014 @ 1659 JSJ https://www.flickr.com/photos/jsjgeology/15489885261 Photo of Twig Geyser's 4:59 PM-onward eruption on 17 August 2014.
13 Aug 2015 @ 1335 JSJ https://www.flickr.com/photos/jsjgeology/21770212668 Photo of Twig Geyser's 1:35 PM-onward eruption on 13 August 2015.
Baseline does not exist.