Last Known Eruption
1d 12h 22m ago

Latest Eruptions

Eruption DurationInterval
17 Oct 2018 @ 1058 wc14h 31m
16 Oct 2018 @ 2027 ? wc1d 7h 43m
15 Oct 2018 @ 124415h 29m
14 Oct 2018 @ 2115 wc5h 4m
14 Oct 2018 @ 1611 wc1d 23h 42m
12 Oct 2018 @ 1629 wc3h 36m
12 Oct 2018 @ 1252:30 ns4d 1h 21m
08 Oct 2018 @ 11311d 23h 25m
06 Oct 2018 @ 1206 ? ie wc2d 29m
04 Oct 2018 @ 1137 wc22h 8m
03 Oct 2018 @ 1329 wc6h 14m
03 Oct 2018 @ 0715 wc14h 12m
02 Oct 2018 @ 1703 wc6h 9m
02 Oct 2018 @ 1054 ns4h 32m
02 Oct 2018 @ 0622 wc14h 1m
01 Oct 2018 @ 16215h 44m
01 Oct 2018 @ 1037 wc17h 51m
30 Sep 2018 @ 1646 wc1d 1h 25m
29 Sep 2018 @ 1521 wc~1m 0s 3h 54m
29 Sep 2018 @ 1127 wc4h 27m
29 Sep 2018 @ 0700 wc21h 26m
28 Sep 2018 @ 093414h 17m
27 Sep 2018 @ 1917 wc4h 17m
27 Sep 2018 @ 1500 ns3h 46m
27 Sep 2018 @ 11146h 30m
27 Sep 2018 @ 0444 wc9h 5m
26 Sep 2018 @ 19394h 11m
26 Sep 2018 @ 1528 wc6h 29m
26 Sep 2018 @ 085916h 54m
25 Sep 2018 @ 16055h 35m
25 Sep 2018 @ 10306h 13m
25 Sep 2018 @ 0417 wc5h 18m
24 Sep 2018 @ 2259 wc8h 30m
24 Sep 2018 @ 14295h 52m
24 Sep 2018 @ 0837 wc10h 22m
23 Sep 2018 @ 2215 wc8h 38m
23 Sep 2018 @ 13371m 5h 42m
23 Sep 2018 @ 075514h 36m
22 Sep 2018 @ 17196h 31m
22 Sep 2018 @ 1048 wc18h 56m
21 Sep 2018 @ 155223h 52m
20 Sep 2018 @ 1600 ns4h 1m
20 Sep 2018 @ 1159 wc19h 22m
19 Sep 2018 @ 1637 wc4h 25m
19 Sep 2018 @ 1212 wc4h 52m
19 Sep 2018 @ 07202d 12h 14m
16 Sep 2018 @ 19062h 22m
16 Sep 2018 @ 16442h 19m
16 Sep 2018 @ 14252h 16m
16 Sep 2018 @ 1209 wc2h 11m
16 Sep 2018 @ 09582h 17m
16 Sep 2018 @ 07418h 41m
15 Sep 2018 @ 2300 A2h 52m
15 Sep 2018 @ 20083h 0m
15 Sep 2018 @ 1708 wc7h 33m
15 Sep 2018 @ 09351d 19h 10m
13 Sep 2018 @ 1425 wc22h 6m
12 Sep 2018 @ 1619 ns1d 3h 12m
11 Sep 2018 @ 1307 wc1d 1h 26m
10 Sep 2018 @ 1141 ie2d 0m
08 Sep 2018 @ 114118h 45m
07 Sep 2018 @ 1656 wc5h 36m
07 Sep 2018 @ 1120 wc20h 45m
06 Sep 2018 @ 1435 wc1d 3h 27m
05 Sep 2018 @ 1108 ns22h 24m
04 Sep 2018 @ 124421h 33m
03 Sep 2018 @ 15111d 7h 34m
02 Sep 2018 @ 0737 ns19h 7m
01 Sep 2018 @ 123019h 1m
31 Aug 2018 @ 17298h 17m
31 Aug 2018 @ 09128h 33m
31 Aug 2018 @ 003914h 42m
30 Aug 2018 @ 0957 ie23h 31m
29 Aug 2018 @ 102621h 1m
28 Aug 2018 @ 1325 ie wc20h 28m
27 Aug 2018 @ 16577h 22m
27 Aug 2018 @ 0935 ie2d 19h 37m
24 Aug 2018 @ 1358 wc22h 26m
23 Aug 2018 @ 15321d 43m
22 Aug 2018 @ 1449 wc5d 4h 8m
17 Aug 2018 @ 1041 wc5d 17h 26m
11 Aug 2018 @ 1715 wc4d 2h 26m
07 Aug 2018 @ 1449 wc~1m 0s 6h 45m
07 Aug 2018 @ 0804 wc17h 31m
06 Aug 2018 @ 143321h 7m
05 Aug 2018 @ 17268h 54m
05 Aug 2018 @ 0832 wc4d 21h 4m
31 Jul 2018 @ 1128 wc1d 20h 8m
29 Jul 2018 @ 1520 wc1d 3h 17m
28 Jul 2018 @ 1203 wc2d 9h 9m
26 Jul 2018 @ 0254 wc1d 10h 48m
24 Jul 2018 @ 160612h 53m
24 Jul 2018 @ 0313 wc17h 18m
23 Jul 2018 @ 0955 wc2d 23h 47m
20 Jul 2018 @ 1008 wc18h 26m
19 Jul 2018 @ 1542 wc1d 10h 50m
18 Jul 2018 @ 0452 wc4d 18h 49m
13 Jul 2018 @ 1003 wc21h 36m
12 Jul 2018 @ 1227 wc13h 28m
11 Jul 2018 @ 2259 wc1d 11h 57m

Interval Statistics

Interval Count100
Min2h 11m
Max5d 17h 26m
Mean23h 45m
Median16h 11m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10273 18 Sep 2018 @ 0533 --- Graham Like yesterday when I checked it twice, boiling at depth with thin splashing above the crater. May be stuck like this but I have not watched it enough.
10269 17 Sep 2018 @ 1357 --- Graham very low boil and light splashing
10238 16 Sep 2018 @ 0417 --- Graham post eruptive huffing
10123 09 Sep 2018 @ 1450 --- EmilyW For you Kevin, clock vents are active and seems to be a decent amount of water.
10058 06 Sep 2018 @ 1106 --- BobInSLC Water staying visible 98% of time
9351 31 Jul 2018 @ 1114 --- Micah Kipple All side vents full and boiling with the 3 o'clock vent having independent eruptions.
8996 02 Jul 2018 @ 2128 --- lc No eruption as of 2100.
8969 01 Jul 2018 @ 1802 --- lc erupted between 1718 and 1740.
8914 28 Jun 2018 @ 0624 --- Dave from B Side vents off. Wet in pool and surrounding areas. Boardwalk is slightly wet.
8105 04 May 2018 @ 1230 --- Janet White Aurum's 3:00 vent had strong steady overflow and continuous splashing from 1-4".
8008 26 Apr 2018 @ 1953 --- Micah Kipple No longer under observation. Conditions the same as previous note, if not slightly more vigorous.
8007 26 Apr 2018 @ 1742 26 Apr 2018 @ 1914 Micah Kipple Aurum appears primed. All 5 side vents are active, with 3 and 5 having independent, energetic eruptions. (3 is reaching ~15 cm). Aurum is surging and occasionally bursting out of the cone, and at this point has nearly filled the entire platform with shallow puddles.
8001 25 Apr 2018 @ 1919 --- Micah Kipple No longer being watched. All vents are full and spitting, with side vents 3 and 5 having independent ~10-15 cm eruptions every 15 minutes or so. Several good surges and 1 kaboom splash in the past hour. Good luck Webcam.
8000 25 Apr 2018 @ 1807 --- Micah Kipple Vent #3 spitting 1704 All vents sputtering 1753
7883 28 Jan 2018 @ 0739 --- Graham First burst splash. Also 49 51 0802 07 09 21 27
7882 28 Jan 2018 @ 0730 --- Graham Boiling strongly, sometimes a foot over the cone. No bursting.
7788 28 Oct 2017 @ 1127 --- udo Low growling as in recently post eruptive
5683 04 Sep 2017 @ 0620 --- RMichaels Does not appear to have erupted overnight.
5219 19 Aug 2017 @ 1241 --- Kent Aurum post eruptive at 2145, boardwalk wet and roaring at depth
4811 06 Aug 2017 @ 0613 --- deanl post eruptive, probably around an hour.
4780 04 Aug 2017 @ 0905 --- c.barwin post eruptive huffing. boardwalk still wet.
4566 28 Jul 2017 @ 1151 --- udo Recovered. Back to pre-eruptive splashing.
4565 28 Jul 2017 @ 1001 --- udo Post eruptive. Depth charging and gurgling.
4399 03 Jul 2017 @ 0553 --- Graham Post eruptive huffing and puffing.
4163 01 Jun 2017 @ 0643 --- EmilyW Main vent wuiet, Boardwalk wet, side vents quiet. Eruptiion not too long ago
4024 30 Apr 2017 @ 0759 --- SteveO Post eriptive
3988 22 Apr 2017 @ 0844 --- SteveO post eruptive, huffing
3968 16 Apr 2017 @ 0931 --- Kevin L Aurum was ie on a frozen screen at 0928. I had looked at the screen probably about 15m earlier. Very clear view so it should show in a capture.
3923 24 Jan 2017 @ 1520 --- Graham no Aurum yet
3903 29 Dec 2016 @ 1530 --- Betty Lots of steam, but not sure it really was erupting
3878 27 Nov 2016 @ 0720 --- Betty too foggy to be sure, but a huge steam cloud in Aurum area
3867 06 Nov 2016 @ 1051 --- Janet White Boardwalk is wet
3836 02 Nov 2016 @ 1206 --- udo 1, 3 & 5 o'clock vents are very actively bubbling.
3795 22 Oct 2016 @ 1055 --- udo Post eruptive gurgling down low. No splashing above ground.
3763 08 Oct 2016 @ 0829 --- Scott Grisso Post eruptive at 0827
3238 07 Jul 2016 @ 0024 --- DGInc May have erupted late 0024 or early 0025, well, it was a visible steam cloud and probably some water between these times, thanks to a light that was pointed to it.
2898 27 May 2016 @ 0458 --- SteveO Post eruptive.
2890 25 May 2016 @ 0642 --- SteveO Post eruptive.
2882 24 May 2016 @ 0611 --- SteveO Post eruptive.
2860 20 May 2016 @ 1600 --- donnielg Post eruptive at 16;00
2828 09 May 2016 @ 0934 --- WillBoekel post eruptive. growling at depth.
2823 08 May 2016 @ 1030 --- WillBoekel recently post eruptive
2819 08 May 2016 @ 0854 --- WillBoekel happy and splashing
2796 29 Apr 2016 @ 1327 --- Siegmund Looked ready: splashing well, water in 3 side vents ("1:30 3:00 and 5:00" positions as you face it)
2785 24 Apr 2016 @ 1217 --- WillBoekel gurgling at depth. occasional small splashes.
2779 23 Apr 2016 @ 0852 --- WillBoekel boardwalk wet and growling at depth
2759 20 Apr 2016 @ 0911 --- udo All vents splashing. 3 o'clock vent flooding its basin. Main vent surging normally.
2716 23 Mar 2016 @ 0412 --- Betty Maybe Aurum is ie, but canĀ“t tell for sure
2697 25 Feb 2016 @ 0920 --- Kevin L Was post eruptive at 0920 per Karen L in the field. She suspects is may have gone an hour earlier but was in front of the Inn and could not say for sure.
2664 23 Jan 2016 @ 0808 --- Graham Nice pre-eruptive splashing.
2663 22 Jan 2016 @ 0751 --- Graham Post eruptive loud huffing. Went recently.
2661 21 Jan 2016 @ 0904 --- Graham Post eruptive huffing.
2659 21 Jan 2016 @ 0730 --- Graham Boiling but not heavy enough to erupt. Maybe after 0830?
2657 19 Jan 2016 @ 0718 --- Graham Post eruptive huffing.
2655 18 Jan 2016 @ 0755 --- Graham Could erupt any time, splashing nicely.
2652 17 Jan 2016 @ 1557 --- Graham No Aurum yet
2650 17 Jan 2016 @ 0948 --- Graham No Aurum yet and splashing nicely
2648 17 Jan 2016 @ 0838 --- Graham Recovering well, may be ready to erupt after 0900. Going to Grand now.
2647 17 Jan 2016 @ 0718 --- Graham Low boiling in the cone, not close to erupting.
2645 16 Jan 2016 @ 1257 --- Graham Post eruptive huffing.
2475 04 Oct 2015 @ 1553 --- WillBoekel post eruptive. some splashing in cone though however
2279 07 Sep 2015 @ 0445 07 Sep 2015 @ 0730 Graham Between 0445 and 0730.
2080 10 Aug 2015 @ 1000 10 Aug 2015 @ 1852 JSJ No Aurum eruption observed from 1000 to 1852. Typical frequent low splashing. Occasional spits from 3 o'clock vent. Observed a spit from the 1 o'clock vent at 1811.
2067 09 Aug 2015 @ 0600 --- Jake plenty of splashing. 3 o'clock vent splashing too
1960 22 Jul 2015 @ 1314 22 Jul 2015 @ 1324 udo Had 2 "how did you not erupt" minors in 10 minutes.
1791 24 Jun 2015 @ 0953 24 Jun 2015 @ 2153 User34 Had recovered by morning, but did not erupt during daylight hours
1788 24 Jun 2015 @ 0640 --- JimS Checked Aurum at this time. Had not erupted recently. The 0614 webcam time is incorrect.
1730 12 Jun 2015 @ 2128 --- WillBoekel still no eruption since 1240
1652 27 May 2015 @ 0902 --- BobInSLC looking very good, all 4 bubblers going
1634 24 May 2015 @ 2148 --- Gilbert erupted by 1400
1570 10 May 2015 @ 0803 --- WillBoekel recently post eruptive
1543 28 Apr 2015 @ 1221 --- udo Huge cone soaking splash. 1 3 & 5 o'clock vents splashing heavily.
1542 26 Apr 2015 @ 0846 --- WillBoekel only occasionally splashing in cone. water staying completely in cone.
1538 25 Apr 2015 @ 0823 --- WillBoekel very little splashing in cone
1527 17 Apr 2015 @ 0921 --- WillBoekel boardwalk is wet but aurum looks pretty well recovered
1509 18 Jan 2015 @ 0720 --- WillBoekel some splashing out of side vents and water splashing out of the cone every now and then
1503 16 Jan 2015 @ 1145 --- WillBoekel huffing
1455 18 Oct 2014 @ 1535 --- WillBoekel at 1535 aurum was splashing but not making it out of the cone and the platform was a bit dry.
1182 02 Sep 2014 @ 0530 --- Graham Pre-eruptive splashing at 0530
1061 06 May 2014 @ 1738 --- WillBoekel Post eruptive and not doing any steam huffs @ 1738
911 25 Jan 2014 @ 0713 --- Graham Post eruptive 0713. May have gone 0645
906 22 Jan 2014 @ 1130 --- Graham Post eruptive 1130. May have erupted 1100?
904 22 Jan 2014 @ 0717 --- Graham Recovering 0717. May have erupted around 0630?
901 20 Jan 2014 @ 1940 --- Graham No eruption before 1940 when Aurum was left unobserved. Longer interval.
898 19 Jan 2014 @ 0733 --- Graham 0733 post eruptive steam huffs
836 27 Jun 2013 @ 2330 --- Micah Kipple no eruption by 2330 when I left the area
800 11 May 2013 @ 2120 --- WillBoekel Aurum was still pre eruptive when I bailed on it at 21:20, #@^$!^%$@#$^ starting to slip into summer mode :(
753 26 Jan 2013 @ 1000 26 Jan 2013 @ 1030 Graham Prediction 1000 to 1030
752 25 Jan 2013 @ 0730 --- Graham Low boil at 0730. Guessing 0900 to 0930 for prediction
748 23 Jan 2013 @ 0725 --- Graham Post eruptive mild steam roars at 0725, estimate erupted at 0640
744 22 Jan 2013 @ 0750 --- Graham Post eruptive 0750
623 24 Oct 2012 @ 1652 --- BB There might have been another Aurum at 1652, not sure at all though. But I found a four hour Aurum interval on 10/20 that I am sure of, so not impossible.
466 14 Sep 2012 @ 0445 --- Graham Before 0445 - damp and fresh icing on BW and post-eruptive steam roars
428 05 Sep 2012 @ 0640 06 Sep 2012 @ 0500 User34 Had not erupted as of 5AM from the 0640 the day before
345 29 Jun 2012 @ 0800 --- Graham Called a bit before 0800
99 08 Feb 2012 @ 1343 --- BB It looks like Aurum was 13:43 ie in my captures but I am not completely sure.
37 20 Sep 2011 @ 0730 --- Jake erupted recently @ 0730
1023 05 Oct 2008 @ 1500 05 Oct 2008 @ 1509 BoekelUpload 15:0x
7561 31 Dec 1992 @ 1603 31 Dec 1992 @ 1653 DGInc 16:x3
5578 21 Aug 1992 @ 2200 --- DGInc had not erupted again as of 2200 DL KH
EntrySourceLinkComment
11 Feb 2018 @ 1124 DGInc https://s5.postimg.org/axepjm35j/Aurum_1124.jpg Steam column presumably from Aurum
11 Feb 2018 @ 1124 DGInc https://s5.postimg.org/g8tm4b9sn/Aurum.jpg Comparison frame used
07 Jun 2016 @ 1141 JSJ https://www.youtube.com/watch?v=uyyxpifWYTQ#t=4m34s Clips 14-15 of this video compilation (time stamp 4:34 to the end) show Aurum Geyser's 11:41 to 11:42 AM eruption on 7 June 2016.
09 Aug 2015 @ 1221 JSJ https://www.youtube.com/watch?v=uyyxpifWYTQ#t=1m44s Clip 7 of this video compilation (time stamp 1:44 to time stamp 1:54) shows Aurum Geyser's 12:21 to 12:22 PM eruption on 9 August 2015.
01 Jun 2013 @ 1706 JSJ https://www.youtube.com/watch?v=uyyxpifWYTQ Clip 1 of this video compilation (beginning to time stamp 0:19) shows Aurum Geyser's 5:06 to 5:07 PM eruption on 1 June 2013.
21 Jan 2015 @ 1735 kcmule http://www.coloradobills.com/yellowstone/AU1735.01212015.flv steam cloud and brief water visible at Aurum
28 Nov 2014 @ 1134 td http://tinypic.com/m/ie4191/3 Aurum
10 Jul 2014 @ 1744 kcmule http://www.coloradobills.com/yellowstone/AU1744.07102014.flv
14 May 2014 @ 0856 kcmule http://coloradobills.com/yellowstone/AU0856.05142014.flv
15 Mar 2014 @ 0746 kcmule http://tinyurl.com/BH0746-03152014
24 Feb 2014 @ 0704 td http://tinypic.com/r/a4bkg9/8 704-706
16 Feb 2014 @ 1736 kcmule http://oi58.tinypic.com/2hnvqd4.jpg .
19 Jan 2014 @ 1537 kcmule http://oi39.tinypic.com/2vnqs1s.jpg
19 Jan 2014 @ 1456 kcmule http://oi41.tinypic.com/idyhcp.jpg
31 Jul 2013 @ 1419 Richlg96 http://www.youtube.com/watch?v=8wT4jiZoqrg Aurum 1419 20130731
03 May 2013 @ 1840 kcmule http://tinyurl.com/AU1840-05032013
17 Apr 2013 @ 1352 Richlg96 http://youtu.be/ew2mOUhTNIY
10 Apr 2013 @ 1752 Richlg96 http://youtu.be/yEANkwXhGF4
07 Apr 2013 @ 1819 kcmule http://tinypic.com/view.php?pic=2505zr6&s=6
09 Dec 2012 @ 0909 kcmule http://tinyurl.com/AU0909-12092012
BaselineDistance (ft)Description
Southwest 30East edge of the walk (nearest Aurum) toward Doublet Pool


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