Last Known Eruption
16d 16h 35m ago

Latest Eruptions

Eruption DurationInterval
05 Oct 2019 @ 1042 ie7d 14h 50m
27 Sep 2019 @ 19521d 6h 53m
26 Sep 2019 @ 125913d 17h 34m
12 Sep 2019 @ 192515m 3d 11h 44m
09 Sep 2019 @ 074139m 1d 22h 24m
07 Sep 2019 @ 0917 min2m 15h 34m
06 Sep 2019 @ 174313m 6h 22m
06 Sep 2019 @ 11211d 13h 11m
04 Sep 2019 @ 2210 ie3d 5h 35m
01 Sep 2019 @ 1635 ie3d 21h 38m
28 Aug 2019 @ 18579m 4d 8h 52m
24 Aug 2019 @ 1005 ns8d 2h 27m
16 Aug 2019 @ 073815h 54m
15 Aug 2019 @ 154427m 21h 48m
14 Aug 2019 @ 17567h 4m
14 Aug 2019 @ 105222h 5m
13 Aug 2019 @ 1247 ns2d 3h 23m
11 Aug 2019 @ 092420h 30m
10 Aug 2019 @ 125420h 59m
09 Aug 2019 @ 15551d 9h 5m
08 Aug 2019 @ 06503d 21h 47m
04 Aug 2019 @ 090316h 16m
03 Aug 2019 @ 16472d 20h 36m
31 Jul 2019 @ 2011 ie5h 31m
31 Jul 2019 @ 14406h 58m
31 Jul 2019 @ 074238m 1d 22h 7m
29 Jul 2019 @ 0935 ie1d 3h 21m
28 Jul 2019 @ 061414h 32m
27 Jul 2019 @ 1542 ns3d 1h 32m
24 Jul 2019 @ 1410 ie2h 48m
24 Jul 2019 @ 11221h 57m
24 Jul 2019 @ 0925 ie18h 51m
23 Jul 2019 @ 14341h 17m 2d 2h 43m
21 Jul 2019 @ 115114h 56m
20 Jul 2019 @ 2055 ie1d 2h 48m
19 Jul 2019 @ 180721m 2h 7m
19 Jul 2019 @ 16003d 7h 24m
16 Jul 2019 @ 083613h 35m
15 Jul 2019 @ 19013h 56m
15 Jul 2019 @ 15051d 1h 27m
14 Jul 2019 @ 1338 ns1d 2h 11m
13 Jul 2019 @ 1127 ns1d 18h 18m
11 Jul 2019 @ 17091d 1h 3m
10 Jul 2019 @ 1606 ie1d 21h 55m
08 Jul 2019 @ 18111d 5h 45m
07 Jul 2019 @ 122617m 1h 39m
07 Jul 2019 @ 104717m 11h 16m
06 Jul 2019 @ 2331 ns1h 38m
06 Jul 2019 @ 21537h 50m
06 Jul 2019 @ 140317h 48m
05 Jul 2019 @ 20151d 5h 25m
04 Jul 2019 @ 145027m 1d 1h 21m
03 Jul 2019 @ 132928m 20h 59m
02 Jul 2019 @ 1630 ie23m
02 Jul 2019 @ 16076h 31m
02 Jul 2019 @ 0936 ie23h 15m
01 Jul 2019 @ 1021 ns17h 13m
30 Jun 2019 @ 17083d 3h 51m
27 Jun 2019 @ 131717m 7h 55m
27 Jun 2019 @ 052235m 15h 3m
26 Jun 2019 @ 141926m 3h 43m
26 Jun 2019 @ 1036 ie21h 0m
25 Jun 2019 @ 133654m 8h 42m
25 Jun 2019 @ 0454 ie16h 34m
24 Jun 2019 @ 1220 ie23h 39m
23 Jun 2019 @ 124135m 7h 47m
23 Jun 2019 @ 0454 ie22h 32m
22 Jun 2019 @ 062226m 23h 18m
21 Jun 2019 @ 0704 ie15h 19m
20 Jun 2019 @ 1545 ie10h 5m
20 Jun 2019 @ 054038m 10h 45m
19 Jun 2019 @ 18558h 53m
19 Jun 2019 @ 1002215h 50m
18 Jun 2019 @ 181235m 8h 3m
18 Jun 2019 @ 100940m 6h 6m
18 Jun 2019 @ 04034m 7h 31m
17 Jun 2019 @ 203213h 49m
17 Jun 2019 @ 064347m 11h 38m
16 Jun 2019 @ 1905 ie1d 6h 26m
15 Jun 2019 @ 123945m 21h 41m
14 Jun 2019 @ 1458 ie1d 28m
13 Jun 2019 @ 1430>38m 1d 21h 31m
11 Jun 2019 @ 16597h 11m
11 Jun 2019 @ 094838m 15h 50m
10 Jun 2019 @ 1758 ie2d 5h 41m
08 Jun 2019 @ 12171d 1h 54m
07 Jun 2019 @ 1023 ie6h 23m
07 Jun 2019 @ 0400 ie7h 56m
06 Jun 2019 @ 2004 ie14h 59m
06 Jun 2019 @ 050539m 16h 35m
05 Jun 2019 @ 123024m 6h 40m
05 Jun 2019 @ 055042m 14h 36m
04 Jun 2019 @ 151439m 22h 36m
03 Jun 2019 @ 163823m 8h 58m
03 Jun 2019 @ 074016m 14h 40m
02 Jun 2019 @ 170038m 1d 7h 39m
01 Jun 2019 @ 09211d 10h 45m
30 May 2019 @ 2236 ie1d 15h 33m
29 May 2019 @ 070335m 17h 8m
28 May 2019 @ 1355~33m 1h 23m

Interval Statistics

Interval Count100
Min23m
Max13d 17h 34m
Mean1d 7h 10m
Median18h 19m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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 @ 0010 --- JSJ No Twig eruption during or after Fountain Geyser's 1039 to 1110 eruption. Twig was slightly spitting at 1817 & done at 1818 (this was after Fountain Geyser's 1711 to 1742 eruption).
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
12644 10 May 1994 @ 0000 10 May 1994 @ 2359 JarnoO xx:xx ie
EntrySourceLinkComment
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.


All data is shown in US/Mountain timezone unless specified otherwise.

GeyserTimes.org is not affiliated with the National Park Service, but it is "for the benefit and enjoyment of the people".

If you have any questions or comments please contact: webmaster@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2019

Facebook Page Telegram Channel Get it on Google Play Download on the App Store

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.