Last Known Eruption
2h 28m ago

Latest Eruptions

Eruption DurationInterval
26 Sep 2020 @ 0932 ie wc35m
26 Sep 2020 @ 0857 ie wc maj53m
26 Sep 2020 @ 0804 ie wc maj12h 53m
25 Sep 2020 @ 1911 wc maj26m
25 Sep 2020 @ 1845 ie wc12m
25 Sep 2020 @ 1833 wc min3h 45m
25 Sep 2020 @ 1448 wc min35m
25 Sep 2020 @ 1413 wc maj47m
25 Sep 2020 @ 1326 wc maj1h 6m
25 Sep 2020 @ 1220 ie wc maj33m
25 Sep 2020 @ 1147 ie wc maj2h 23m
25 Sep 2020 @ 0924 ie wc maj1h 45m
25 Sep 2020 @ 0739 wc min12h 24m
24 Sep 2020 @ 1915 ie53m
24 Sep 2020 @ 1822 ns5h 35m
24 Sep 2020 @ 1247 wc min21m
24 Sep 2020 @ 1226 wc min4h 38m
24 Sep 2020 @ 0748 wc maj49m
24 Sep 2020 @ 0659 ns wc maj11h 21m
23 Sep 2020 @ 1938 ie wc maj2h 20m
23 Sep 2020 @ 1718 wc maj23h 8m
22 Sep 2020 @ 1810 ie wc maj23m
22 Sep 2020 @ 1747 wc min9m
22 Sep 2020 @ 1738 wc min1h 9m
22 Sep 2020 @ 1629 wc2h 2m
22 Sep 2020 @ 1427 wc min21h 57m
21 Sep 2020 @ 1630 wc maj1h 42m
21 Sep 2020 @ 1448 ns36m
21 Sep 2020 @ 1412 wc maj50m
21 Sep 2020 @ 1322 ie wc45m
21 Sep 2020 @ 1237 wc maj1h 9m
21 Sep 2020 @ 1128 ie wc maj15h 21m
20 Sep 2020 @ 200743m
20 Sep 2020 @ 1924 maj1h 39m
20 Sep 2020 @ 1745 ie wc1h 37m
20 Sep 2020 @ 1608 wc maj2h 24m
20 Sep 2020 @ 1344 ie44m
20 Sep 2020 @ 1300 ie wc maj4h 37m
20 Sep 2020 @ 0823 wc maj14h 4m
19 Sep 2020 @ 181944m
19 Sep 2020 @ 1735 ie wc maj2h 19m
19 Sep 2020 @ 1516 ie wc maj57m
19 Sep 2020 @ 1419 ie wc maj1h 3m
19 Sep 2020 @ 1316 maj54m
19 Sep 2020 @ 1222 wc maj3h 28m
19 Sep 2020 @ 0854 ns wc maj1h 59m
19 Sep 2020 @ 0655 maj10m 30m
19 Sep 2020 @ 0625 min40m
19 Sep 2020 @ 0545 maj9m 10h 22m
18 Sep 2020 @ 1923 wc maj6h 46m
18 Sep 2020 @ 1237 maj8m 2h 50m
18 Sep 2020 @ 0947 ie wc maj5h 15m
18 Sep 2020 @ 0432 ie maj9h 35m
17 Sep 2020 @ 1857 ie wc maj59m
17 Sep 2020 @ 1758 ie wc maj31m
17 Sep 2020 @ 1727 wc min35m
17 Sep 2020 @ 1652 wc maj2h 47m
17 Sep 2020 @ 1405 wc min34s 10m
17 Sep 2020 @ 1355 ie wc min1h 16m
17 Sep 2020 @ 1239 ie wc58m
17 Sep 2020 @ 1141 maj7m 18m
17 Sep 2020 @ 1123 min12m
17 Sep 2020 @ 1111 min22m
17 Sep 2020 @ 1049 min15h 16m
16 Sep 2020 @ 1933 ie wc1h 29m
16 Sep 2020 @ 1804 ns wc maj46m
16 Sep 2020 @ 1718 ns wc maj14m
16 Sep 2020 @ 1704 ns wc min48m
16 Sep 2020 @ 1616 wc maj3h 8m
16 Sep 2020 @ 1308 ie wc19m
16 Sep 2020 @ 1249 wc min4h 13m
16 Sep 2020 @ 0836 wc maj12h 38m
15 Sep 2020 @ 1958 wc min2h 5m
15 Sep 2020 @ 1753 ie wc51m
15 Sep 2020 @ 1702 ie wc maj2h 13m
15 Sep 2020 @ 1449 wc maj1h 44m
15 Sep 2020 @ 1305 wc maj1h 44m
15 Sep 2020 @ 1121 wc maj1h 34m
15 Sep 2020 @ 0947 ie wc maj45m
15 Sep 2020 @ 0902 wc min31m
15 Sep 2020 @ 0831 ie wc maj13h 53m
14 Sep 2020 @ 1838 ie wc17m
14 Sep 2020 @ 1821 ie wc2h 20m
14 Sep 2020 @ 1601 ie wc maj41m
14 Sep 2020 @ 1520 ie wc maj1h 6m
14 Sep 2020 @ 1414 wc maj3h 23m
14 Sep 2020 @ 1051 wc maj1h 0m
14 Sep 2020 @ 0951 ie maj51m
14 Sep 2020 @ 0900 ie wc maj2h 7m
14 Sep 2020 @ 0653 ie wc14h 53m
13 Sep 2020 @ 1600 wc maj5h 14m
13 Sep 2020 @ 1046 maj1h 21m
13 Sep 2020 @ 0925 maj18h 24m
12 Sep 2020 @ 1501 maj~8m 7h 7m
12 Sep 2020 @ 0754 min14h 32m
11 Sep 2020 @ 1722 wc min17m
11 Sep 2020 @ 1705 wc min1h 21m
11 Sep 2020 @ 1544 wc maj4h 43m
11 Sep 2020 @ 1101 wc maj3h 1m
11 Sep 2020 @ 0800 ie maj17h 57m

Interval Statistics

Interval Count100
Min9m
Max23h 8m
Mean3h 47m
Median1h 25m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
15670 21 Aug 2020 @ 1821 --- Forestbewithyou Appears to be post eruptive.
15414 06 Aug 2020 @ 1702 --- JSJ Very weak splashing just above ground level from 1702 to 1703.
14191 15 May 2020 @ 1524 15 May 2020 @ 1703 JarnoO (wc) Have not observed Bulger since its 1524 ie wc maj eruption in this timeframe, despite the camera frequently panning back and forth between the Hill and downbasin. During the full timeframe Grand was erupting, no Bulger was observed either.
14083 21 Jan 2020 @ 1205 --- Graham Still no eruption.
13115 08 Aug 2019 @ 1308 08 Aug 2019 @ 1646 JSJ All closed intervals.
13101 07 Aug 2019 @ 1212 07 Aug 2019 @ 1616 JSJ All closed intervals.
12954 02 Aug 2019 @ 1318 02 Aug 2019 @ 1406 rbwhitaker No additional eruptions in this time frame, after the one that started at 1318.
11579 04 Jun 2019 @ 1213 04 Jun 2019 @ 1955 JSJ All posted Bulger eruptions between these times are closed intervals.
9482 05 Aug 2018 @ 1815 --- Micah Kipple Still no eruption since ~1630
9479 05 Aug 2018 @ 1638 05 Aug 2018 @ 1738 Micah Kipple No eruption. Periodically grumbled and boiled at depth with occasional spits coming into view.
9454 03 Aug 2018 @ 1246 03 Aug 2018 @ 1250 JSJ Light, brief splashing at 1246 and 1250.
EntrySourceLinkComment
06 Aug 2020 @ 1249 JSJ https://www.flickr.com/photos/jsjgeology/50214442641 Photo (1 of 2) of Bulger Geyser's 12:49 PM-onward eruption on 6 August 2020.
10 Aug 2018 @ 1505 JSJ https://www.youtube.com/watch?v=xjf_ugkdftw#t=1m27s Video clips (time stamp 1:27 to the end) of Bulger Geyser's 3:05 to 3:14 PM eruption on 10 August 2018.
03 Aug 2018 @ 1329 JSJ https://www.youtube.com/watch?v=xjf_ugkdftw Video clips (beginning to time stamp 1:26) of Bulger Geyser's 1:29 to 1:39 PM eruption on 3 August 2018.
31 Jul 2017 @ 1500 JSJ https://www.youtube.com/watch?v=88UoDqEg17c Clips 1-3 of this video compilation (beginning to time stamp 0:49) show Bulger Geyser's 3:00 to 3:08 PM eruption on 31 July 2017. The rest of the video shows other eruptions that day.
31 Jul 2017 @ 1626 JSJ https://www.flickr.com/photos/jsjgeology/35977700814 Photo (out of 2) of Bulger Geyser's 4:26 to 4:32 PM eruption on 31 July 2017.
18 May 2015 @ 1922 JSJ https://www.flickr.com/photos/jsjgeology/18251560601 Photo of Bulger Geyser's 7:22 to 7:28 PM eruption on 18 May 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: support@geysertimes.org

Support open geyser data: Patreon Page

© Copyright 2011-2020

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.