UNNG-MGB-1 Geyser

Last Known Eruption

166d 15h 15m ago

Latest Eruptions

Eruption	Duration	Interval
16 Oct 2019 @ 1024 ns	~6m	35d 1h 52m
11 Sep 2019 @ 0832 ie		2d 16h 16m
08 Sep 2019 @ 1616 ie		1d 1h 16m
07 Sep 2019 @ 1500 ie		81d 17h 36m
17 Jun 2019 @ 2124 ie		13d 4h 39m
04 Jun 2019 @ 1645 ie		7d 8h 8m
28 May 2019 @ 0837 ie min		1h 28m
28 May 2019 @ 0709 ie		5d 22h 47m
22 May 2019 @ 0822 ie maj		199d 15h 18m
03 Nov 2018 @ 1704 ie		19d 3h 23m
15 Oct 2018 @ 1341 ie min		5d 19h 57m
09 Oct 2018 @ 1744		17d 21m
22 Sep 2018 @ 1723 ns maj	>10m	74d 8h 6m
10 Jul 2018 @ 0917 ie min		30d 14h 24m
09 Jun 2018 @ 1853 ie min		3d 23h 59m
05 Jun 2018 @ 1854 ie maj		2d 23h 51m
02 Jun 2018 @ 1903 ie		1d 6h 18m
01 Jun 2018 @ 1245 ie min		3h 47m
01 Jun 2018 @ 0858 ie		244d 15h 28m
29 Sep 2017 @ 1730 ie min		130d 2h 58m
22 May 2017 @ 1432 ie min		8d 18h 20m
13 May 2017 @ 2012 ie min		1d 4h 5m
12 May 2017 @ 1607 ie min		7d 22h 19m
04 May 2017 @ 1748 ie		1y 198d 8h 49m
19 Oct 2015 @ 0859 ie

Interval Statistics

Interval Count	24
Min	1h 28m
Max	1y 198d 8h 49m
Mean	60d 18h 3m
Median	8d 8h 19m

Latest Notes

Note ID	Start Time (US/Mountain)	End Time (US/Mountain)	Entrant	Note
11607	06 Jun 2019 @ 1100	06 Jun 2019 @ 1230	JSJ	Watched Steel Bridge Springs for 1.5 hours. No eruptions. Light, passive steaming from Perfect Plume Geyser & MRCGNN016 & 023 (apparently engaged in low spitting in vent) & 025/026 & 027 & 032.
9072	08 Jul 2018 @ 1855	---	Micah Kipple	Cone was wet and reflecting sunlight. Perhaps post eruptive.
8635	11 Jun 2018 @ 1012	---	underarockphoto	Not in series
8626	10 Jun 2018 @ 2103	---	underarockphoto	Not erupting but is in series.
4306	12 Jun 2017 @ 1544	12 Jun 2017 @ 1632	JSJ	Watched Steel Bridge Springs for almost an hour. No eruptions.
4260	07 Jun 2017 @ 1145	07 Jun 2017 @ 1315	JSJ	Watched Steel Bridge Springs for about 1.5 hours. No eruptions from any of the 5 main vents. Light steaming only from 3 of them: MRCGNN016 (= UNNG-MGB-2) & MRCGNN032 & MRCGNN027. The other two vents were not steaming: MRCGNN013 (= UNNG-MGB-1) & MRCGNN023. Catalog numbers are from the RCN database.
4002	23 Apr 2017 @ 1014	---	Micah Kipple	From the road, there was a fresh wet channel to the river, and upon slowing down it appeared that there was an area of wash around the crater

The Geysers of Yellowstone by: T. Scott Bryan - Page: 202
View geyser location on a map

Entry	Source	Link	Comment
22 Sep 2018 @ 1723	JSJ	https://www.youtube.com/watch?v=h8yEuBvB6zA	Video by Micah Kipple.

Baseline does not exist.

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