Last Known Eruption
360d 15h 47m ago

Latest Eruptions

Eruption DurationInterval
24 Apr 2023 @ 1614 ie3y 318d 3h 2m
11 Jun 2019 @ 1312 ie51d 23m
21 Apr 2019 @ 1249 ie1y 181d 21h 38m
21 Oct 2017 @ 1511 ie min128d 20h 11m
14 Jun 2017 @ 1900 ie39d 23h 8m
05 May 2017 @ 1952 ie186d 5h 33m
31 Oct 2016 @ 1419 maj8m 84d 20h 27m
07 Aug 2016 @ 1752 min31m
07 Aug 2016 @ 1721 maj13m
07 Aug 2016 @ 1708 min10m
07 Aug 2016 @ 1658 min28m
07 Aug 2016 @ 1630 maj~10m 2h 27m
07 Aug 2016 @ 1403 ie maj1d 18h 52m
05 Aug 2016 @ 1911 ie maj59m
05 Aug 2016 @ 1812 maj~9m 53m
05 Aug 2016 @ 1719 ie maj27d 1h 8m
09 Jul 2016 @ 1611 maj11m
09 Jul 2016 @ 1600 min21m
09 Jul 2016 @ 1539 maj~9m 11m
09 Jul 2016 @ 1528 min23m
09 Jul 2016 @ 1505 maj~11m 8m
09 Jul 2016 @ 1457 min10m
09 Jul 2016 @ 1447 min12m
09 Jul 2016 @ 1435 min10m
09 Jul 2016 @ 1425 min10m
09 Jul 2016 @ 1415 min21m
09 Jul 2016 @ 1354 maj~9m 11m
09 Jul 2016 @ 1343 ns min13m
09 Jul 2016 @ 1330 min9m
09 Jul 2016 @ 1321 min20m
09 Jul 2016 @ 1301 maj~8m 13m
09 Jul 2016 @ 1248 min10m
09 Jul 2016 @ 1238 min10m
09 Jul 2016 @ 1228 min21m
09 Jul 2016 @ 1207 ns maj10m
09 Jul 2016 @ 1157 min3h 29m
09 Jul 2016 @ 0828 maj9m 22m
09 Jul 2016 @ 0806 ie16h 7m
08 Jul 2016 @ 1559 ie maj15m
08 Jul 2016 @ 1544 ns min20m
08 Jul 2016 @ 1524 ns min22m
08 Jul 2016 @ 1502 ns maj>9m 11m
08 Jul 2016 @ 1451 min19m
08 Jul 2016 @ 1432 ns9m
08 Jul 2016 @ 1423 ns min24m
08 Jul 2016 @ 1359 maj~10m 9m
08 Jul 2016 @ 1350 min11m
08 Jul 2016 @ 1339 min10m
08 Jul 2016 @ 1329 min11m
08 Jul 2016 @ 1318 min<1m 9m
08 Jul 2016 @ 1309 min1-2m23m
08 Jul 2016 @ 1246 ns maj>10m 10m
08 Jul 2016 @ 1236 ns min53m
08 Jul 2016 @ 1143 ie maj>7m 2d 16h 49m
05 Jul 2016 @ 1854 ns maj23h 41m
04 Jul 2016 @ 1913 ns maj3d 8h 33m
01 Jul 2016 @ 104010m 45m
01 Jul 2016 @ 0955 ie>9m 4d 18h 31m
26 Jun 2016 @ 152457m
26 Jun 2016 @ 142749m
26 Jun 2016 @ 13381h 40m
26 Jun 2016 @ 1158 ie maj13d 20h 41m
12 Jun 2016 @ 1517 maj12m 1h 19m
12 Jun 2016 @ 1358 maj11m 7d 4h 21m
05 Jun 2016 @ 0937 ie2d 20h 37m
02 Jun 2016 @ 1300 min30m
02 Jun 2016 @ 1230 ns maj16h 42m
01 Jun 2016 @ 1948 min10m
01 Jun 2016 @ 1938 min40m
01 Jun 2016 @ 1858 ns maj1d 7h 16m
31 May 2016 @ 11422m 16d 19h 15m
14 May 2016 @ 1627 maj21h 0m
13 May 2016 @ 1927 maj11m 1h 37m
13 May 2016 @ 1750 maj1h 22m
13 May 2016 @ 1628 maj10m 1h 23m
13 May 2016 @ 1505 maj11m 52m
13 May 2016 @ 1413 maj1h 23m
13 May 2016 @ 1250 maj1h 27m
13 May 2016 @ 1123 maj11m 1h 57m
13 May 2016 @ 0926 maj12m 4d 13h 6m
08 May 2016 @ 2020 maj11m 7h 55m
08 May 2016 @ 1225 maj12m 0s 58m
08 May 2016 @ 1127 maj~11m 1h 1m
08 May 2016 @ 1026 ns maj18h 54m
07 May 2016 @ 1532 maj11m 1h 32m
07 May 2016 @ 1400 maj10m 22h 0m
06 May 2016 @ 1600 ie maj4h 58m
06 May 2016 @ 1102 maj10m 36m
06 May 2016 @ 1026 min2m 25s 9m
06 May 2016 @ 1017 min1m 8s 9m
06 May 2016 @ 1008 min2m 18s 10m
06 May 2016 @ 0958 min1m 58s 2h 23m
06 May 2016 @ 0735 maj15h 20m
05 May 2016 @ 1615 ns maj1h 15m
05 May 2016 @ 1500 maj11m 23h 8m
04 May 2016 @ 1552 maj~11m 9m
04 May 2016 @ 1543 min~2.5m 8m
04 May 2016 @ 1535 min~2m 10m
04 May 2016 @ 1525 min~2m 9m
04 May 2016 @ 1516 min~1.5m 11m

Interval Statistics

Interval Count100
Min8m
Max3y 318d 3h 2m
Mean25d 11h 3m
Median42m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
27641 16 Aug 2023 @ 1543 --- steve Two vents bubbling, about 5 feet apart
27226 25 Jul 2023 @ 1618 --- steve Bubbling 1-6 inches high
26478 19 Jun 2023 @ 1406 --- JSJ Low to very low splashing.
23269 19 Aug 2022 @ 1246 --- SantaFe108 Boiling and occasionally splashing a little.
21104 27 Apr 2022 @ 1000 --- DanS Bubbling
10478 27 Sep 2018 @ 0835 --- Micah Kipple Perpetual boiling.
9412 02 Aug 2018 @ 1540 --- JSJ In low to very low, ~continuous splashing (= low perpetual spouting), along with its tiny western side vent.
8606 09 Jun 2018 @ 1900 --- JSJ In very low to low splashing-spouting. Tiny satellite vent on western side was constantly blipping.
5887 06 Sep 2017 @ 1836 --- Dave W Bubbling up 3 to 6 inches.
4798 04 Aug 2017 @ 1258 --- JSJ In low eruption - small spouting splashes. Small western side vent active.
4276 08 Jun 2017 @ 1722 --- JSJ Already off at 1722, but very small spouting from side vent. BSB-2 on at 1723 with low, intermittent to slightly intermittent spouting.
4262 07 Jun 2017 @ 1638 07 Jun 2017 @ 1826 JSJ In low, continuous eruption, up to ~1 foot high (usually lower). No majors or minors.
3984 21 Apr 2017 @ 1700 --- Micah Kipple May or may not be still having majors. Staying in black sand to observe.
2815 04 May 2016 @ 1709 --- Rocco Paperiello Over past several days, ALL closed intervals [5 known] between majors have been between 1 hr 37 min and 2 hr 36 min
929 29 Jan 2008 @ 0000 29 Jan 2008 @ 2359 BoekelUpload UNNG-BSB-2 active vr
EntrySourceLinkComment
07 Aug 2016 @ 1721 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=16m53s Clips 38-41 of this video compilation (time stamp 16:53 to the end) show UNNG-BSB-2's major eruption from 5:21 to 5:29 PM on 7 August 2016.
07 Aug 2016 @ 1630 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=15m05s Clips 34-37 of this video compilation (time stamp 15:05 to 16:52) show UNNG-BSB-2's major eruption from 4:30 to 4:40 PM on 7 August 2016.
05 Aug 2016 @ 1812 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=13m47s Clips 31-33 of this video compilation (time stamp 13:47 to 15:04) show UNNG-BSB-2's major eruption from 6:12 to 6:21 PM on 5 August 2016.
08 Jul 2016 @ 1143 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=13m16s Clip 30 of this video compilation (time stamp 13:16 to 13:46) shows UNNG-BSB-2 in major eruption from 11:43 to 11:51 AM on 8 July 2016.
04 Jul 2016 @ 1913 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=9m29s Clips 20-29 of this video compilation (time stamp 9:29 to 13:15) show UNNG-BSB-2 in major eruption from 7:13 to 7:21 PM & post-eruption background activity on 4 July 2016.
02 Jun 2016 @ 1230 JSJ https://www.youtube.com/watch?v=aTjvjZrlxQA#t=5m56s Clips 10-19 of this video compilation (time stamp 5:56 to 9:28) show UNNG-BSB-2 in major eruption from 12:30 to 12:38 PM & post-eruption background activity on 2 June 2016.
Baseline does not exist.