Bronze Spring

Last Known Eruption
3y 23d 4h 25m ago

Latest Eruptions

Eruption DurationInterval
30 Oct 2021 @ 0851 ie1y 47d 15m
13 Sep 2020 @ 083613m
13 Sep 2020 @ 082311m
13 Sep 2020 @ 081210m
13 Sep 2020 @ 08028m
13 Sep 2020 @ 07541y 28d 21h 28m
16 Aug 2019 @ 1026 ie12m
16 Aug 2019 @ 1014 wc9m
16 Aug 2019 @ 1004:44 wc45s 331d 22h 49m
18 Sep 2018 @ 11154y 63d 23h 40m
17 Jul 2014 @ 113520m
17 Jul 2014 @ 1115334d 22h 37m
16 Aug 2013 @ 123817m
16 Aug 2013 @ 122115m
16 Aug 2013 @ 120612m
16 Aug 2013 @ 115418m
16 Aug 2013 @ 11368m
16 Aug 2013 @ 11289m
16 Aug 2013 @ 11197m
16 Aug 2013 @ 11123y 358d 3h 45m
24 Aug 2009 @ 07271y 34d 23h 49m
20 Jul 2008 @ 073815m
20 Jul 2008 @ 072310m
20 Jul 2008 @ 07135y 336d 9h 35m
19 Aug 2002 @ 21387m
19 Aug 2002 @ 21318m
19 Aug 2002 @ 21237m
19 Aug 2002 @ 21167m
19 Aug 2002 @ 21096m
19 Aug 2002 @ 21038m
19 Aug 2002 @ 20556m
19 Aug 2002 @ 20497m
19 Aug 2002 @ 20427m
19 Aug 2002 @ 20356m
19 Aug 2002 @ 20291h 11m
19 Aug 2002 @ 1918350d 11h 48m
03 Sep 2001 @ 07308m
03 Sep 2001 @ 07227m
03 Sep 2001 @ 07157m
03 Sep 2001 @ 070823h 6m
02 Sep 2001 @ 08028m
02 Sep 2001 @ 075455m
02 Sep 2001 @ 065947d 20h 48m
16 Jul 2001 @ 101131m
16 Jul 2001 @ 09401h 32m
16 Jul 2001 @ 08081h 1m
16 Jul 2001 @ 07077m
16 Jul 2001 @ 0700 ie2y 320d 11h 45m
30 Aug 1998 @ 1915 ie2h 24m
30 Aug 1998 @ 1651 ie8h 42m
30 Aug 1998 @ 0809 ie53d 21h 9m
07 Jul 1998 @ 1100272d 12h 35m
07 Oct 1997 @ 22258m
07 Oct 1997 @ 221736m
07 Oct 1997 @ 2141~55s 7m
07 Oct 1997 @ 2134 ie2y 358d 13h 44m
15 Oct 1994 @ 0750 ie52d 17h 50m
23 Aug 1994 @ 14009m
23 Aug 1994 @ 13514h 4m
23 Aug 1994 @ 0947~1m 28s 8m
23 Aug 1994 @ 09398m
23 Aug 1994 @ 0931~1m 10s 13h 11m
22 Aug 1994 @ 20208h 42m
22 Aug 1994 @ 11384h 30m
22 Aug 1994 @ 070813m
22 Aug 1994 @ 065512m
22 Aug 1994 @ 064313m
22 Aug 1994 @ 063010m
22 Aug 1994 @ 062010m
22 Aug 1994 @ 061012m
22 Aug 1994 @ 055811m
22 Aug 1994 @ 05479m
22 Aug 1994 @ 053811m
22 Aug 1994 @ 05271h 7m
22 Aug 1994 @ 042010h 29m
21 Aug 1994 @ 175170d 3h 51m
12 Jun 1994 @ 1400 ie273d 5h 35m
12 Sep 1993 @ 082516m
12 Sep 1993 @ 08097m
12 Sep 1993 @ 08023m
12 Sep 1993 @ 075912m
12 Sep 1993 @ 07471m 12s 5m
12 Sep 1993 @ 074216m
12 Sep 1993 @ 072613d 10h 40m
29 Aug 1993 @ 20461m 18s 1h 22m
29 Aug 1993 @ 19241m 5s 8m
29 Aug 1993 @ 19161m 5s 9m
29 Aug 1993 @ 1907~1m 0s 8m
29 Aug 1993 @ 1859~20s 3h 47m
29 Aug 1993 @ 15121m 8s 8m
29 Aug 1993 @ 1504~50s 7m
29 Aug 1993 @ 1457 ns16m
29 Aug 1993 @ 1441~50s 4h 51m
29 Aug 1993 @ 0950 ie5h 28m
29 Aug 1993 @ 0422 ie1y 8d 4h 23m
20 Aug 1992 @ 23598m
20 Aug 1992 @ 23517m
20 Aug 1992 @ 234416m
20 Aug 1992 @ 2328121d 16h 1m
21 Apr 1992 @ 0727 ie

Interval Statistics

Interval Count99
Min3m
Max5y 336d 9h 35m
Mean108d 22h 19m
Median13m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
22332 04 Jul 2022 @ 1941 --- steve 6-8 inches below overflow with strong bubbling.
22309 04 Jul 2022 @ 1316 --- steve About 4-6 inches below overflow with steady bubbling.
22264 01 Jul 2022 @ 1912 --- Tara Down ~5" from rim, slightly murky water, lots of bubbles
22202 29 Jun 2022 @ 1015 --- Tara Water level down 3-4" below rim
22053 21 Jun 2022 @ 1520 --- Tara Water level down ~3cm from rim, a few bubbles rising.
21631 01 Jun 2022 @ 1005 --- Tara Full and overflowing on three sides, green bacteria outside pool rim and orange bacteria around inside. Variable bubbling over vent. Water looks very slightly tea colored.
16118 13 Sep 2020 @ 1942 --- Graham Water a couple of inches below the rim, covering the beach area. Bubbling in several spots but dry around the crater. Have checked several times since this mornings series and it doesn't look like it had another one.
14564 08 Jun 2020 @ 1015 --- K.Cooper 2 inches below rim.
13911 09 Oct 2019 @ 1541 --- underarockphoto Recent heavy overflow. Water everywhere. Boiling.
13904 09 Oct 2019 @ 1001 --- aferrara level down 5 in and runoff free of snow. possibly erupted this AM
13346 22 Aug 2019 @ 0736 --- Kitt B May be active. Was down 5 inches and wet around the outside of the pool and the runoff was wet.
13284 16 Aug 2019 @ 1030 --- JoeN There are videos attached to the first two Bronze Spring eruptions
11286 11 May 2019 @ 0819 --- Siegmund ~2cm below overflow 0819. In overflow 1035.
10680 29 Oct 2018 @ 1233 --- udo bubbling and overflowing
10378 19 Sep 2018 @ 1010 --- Siegmund ~8cm below overflow, calm.
10285 18 Sep 2018 @ 1127 --- Micah Kipple Ovf with heavy roiling but no bursts.
10223 15 Sep 2018 @ 2145 --- Micah Kipple Within an inch of ovf but no evidence of intermittent activity.
8806 20 Jun 2018 @ 0741 --- mhreed Just at overflow.
8073 04 May 2018 @ 1000 --- Tara Gently bubbling and full of rust colored bacteria.
6372 14 Sep 2017 @ 1940 --- Tara Having heavy overflow cycles with vigorous bubbling, then dropping about 2 inches below rim.
4344 21 Jun 2017 @ 0707 --- Janet Jones Water levels have been down with a strong sulphur smell. Water is a bit higher this morning but still well below overflow.
4076 09 May 2017 @ 1721 --- mhreed 2-3 inches below overflow.
3977 21 Apr 2017 @ 0814 --- Micah Kipple Dark brown and steadily overflowing.
3848 05 Nov 2016 @ 1326 --- mhreed In oveflow and pulsing intermittently.
3518 21 Aug 2016 @ 0956 --- Tara Having heavy overflow and bubbling. Water level had dropped several minutes later. It refilled to about 2 inches below the rim but had not overflowed again as of 1035.
3364 11 Jun 2016 @ 0930 --- JSJ Thermal photography of pool recorded 154° F.
2758 20 Apr 2016 @ 0856 --- udo In overflow.
2733 15 Apr 2016 @ 1208 --- Siegmund In overflow, bacteria growing in channel and crater.
2534 11 Oct 2015 @ 1045 --- Siegmund Bronze's runoff channels have been bleached white. Did it erupt with Dome yesterday, or just have an episode of unusually hot overflow? Pool now is slightly below overflow and clear. Splash basin is wet.
2511 10 Oct 2015 @ 0945 10 Oct 2015 @ 0957 Janet Jones Bronze still bubbling and overflowing without any change in water level as was seen on 9 Oct 2015.
2510 09 Oct 2015 @ 1405 --- Janet Jones Bronze bubbling and in overflow continuously for about 5 minutes of watching. Earlier this summer it cycled within that time of seeing it bubbling and in overflow.
2695 26 Aug 2004 @ 1200 --- Micah Kipple Small (1 foot) eruptions reported.
2694 22 Aug 2004 @ 1200 --- Micah Kipple Small (1 foot) eruptions reported
2693 20 Jul 2004 @ 1200 --- Micah Kipple Bronze reported to have "Sporatic small eruptions" on this day.
2692 21 May 2002 @ 1200 --- Micah Kipple Bronze Spring was seen erupting to 3 feet on this day.
16719 18 Sep 1998 @ 0000 18 Sep 1998 @ 2359 JarnoO active
16685 08 Jul 1998 @ 0000 08 Jul 1998 @ 2359 JarnoO active
14386 14 Sep 1995 @ 1215 --- JarnoO boiling and overflowing heavily; erupted sever times per hour in this way throughout the rest of the day.
14342 05 Aug 1995 @ 0000 05 Aug 1995 @ 2359 JarnoO active
12725 23 Aug 1994 @ 0000 23 Aug 1994 @ 2359 JarnoO eruptions every 6-8 minutes to 4'
12723 21 Aug 1994 @ 1739 --- JarnoO first intermittent overflow
12716 16 Aug 1994 @ 0225 16 Aug 1994 @ 0333 JarnoO intermittent overflows 0225, 0239, 0254, 0311, 0333 (?..)
12348 15 Dec 1993 @ 0000 15 Dec 1993 @ 2359 JarnoO active
12308 30 Aug 1993 @ 0000 30 Aug 1993 @ 2359 JarnoO still active
12290 12 Aug 1993 @ 1815 12 Aug 1993 @ 1958 JarnoO intermittent overflow 1815, 1846, 1926, 1958
12263 12 Jul 1993 @ 0000 12 Jul 1993 @ 2359 JarnoO weakly eruptive; height 1-2'; I~5m; d secs
5126 14 Mar 1992 @ 0000 14 Mar 1992 @ 2359 JarnoO active
4902 06 Jan 1992 @ 0000 06 Jan 1992 @ 2359 JarnoO active
Baseline does not exist.
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