Last Known Eruption
13h 14m ago

Latest Eruptions

Eruption DurationInterval
19 Jul 2024 @ 0903 ie14d 16h 54m
04 Jul 2024 @ 1609 ie13d 3h 9m
21 Jun 2024 @ 130030m 11d 2h 22m
10 Jun 2024 @ 10389m 8d 19h 48m
01 Jun 2024 @ 14503d 5h 13m
29 May 2024 @ 0937 ie18d 13h 41m
10 May 2024 @ 1956 ie6d 8h 54m
04 May 2024 @ 1102 ie7d 3h 2m
27 Apr 2024 @ 0800 ieunk15h 45m
26 Apr 2024 @ 1615 ieunk1y 59d 1h 50m
27 Feb 2023 @ 1325 ie160d 48m
20 Sep 2022 @ 13377d 0m
13 Sep 2022 @ 1337 ie5d 4h 12m
08 Sep 2022 @ 09253d 20h 18m
04 Sep 2022 @ 1307 ns11d 4h 9m
24 Aug 2022 @ 0858 ie16h 40m
23 Aug 2022 @ 1618 ie3d 4h 51m
20 Aug 2022 @ 112722h 34m
19 Aug 2022 @ 1253 ie1d 3h 43m
18 Aug 2022 @ 0910 ie10d 20h 56m
07 Aug 2022 @ 1214 ns1d 20h 4m
05 Aug 2022 @ 1610 ns2d 4h 49m
03 Aug 2022 @ 1121 ie>1h 15m 6d 16h 14m
27 Jul 2022 @ 190710h 17m
27 Jul 2022 @ 08502h 10m 20h 35m
26 Jul 2022 @ 1215 ns~1h 51m 4d 20h 57m
21 Jul 2022 @ 15184d 23h 29m
16 Jul 2022 @ 1549 ns1d 2h 7m
15 Jul 2022 @ 134223h 50m
14 Jul 2022 @ 1352 ie21h 34m
13 Jul 2022 @ 16186h 55m
13 Jul 2022 @ 0923 ie21h 53m
12 Jul 2022 @ 1130 ie18h 21m
11 Jul 2022 @ 1709 ie1d 7h 9m
10 Jul 2022 @ 1000 ie1h 17m
10 Jul 2022 @ 0843 ie1d 17h 42m
08 Jul 2022 @ 15011h 23m 20h 34m
07 Jul 2022 @ 18279h 42m
07 Jul 2022 @ 0845 ie22h 7m
06 Jul 2022 @ 10381d 18h 43m
04 Jul 2022 @ 1555 ie3d 2h 20m
01 Jul 2022 @ 1335 ie22h 45m
30 Jun 2022 @ 1450 ie2d 1h 3m
28 Jun 2022 @ 1347 ie19h 2m
27 Jun 2022 @ 184564d 11h 12m
24 Apr 2022 @ 0733 ns168d 15h 15m
06 Nov 2021 @ 1618 ie8h 12m
06 Nov 2021 @ 0806 ie2d 22h 26m
03 Nov 2021 @ 0940~2d 16h 25m
31 Oct 2021 @ 1715 ie1d 5h 34m
30 Oct 2021 @ 1141 ie18h 35m
29 Oct 2021 @ 17068h 17m
29 Oct 2021 @ 0849 ie17h 48m
28 Oct 2021 @ 1501 ns1d 4h 45m
27 Oct 2021 @ 1016 ie7d 22h 29m
19 Oct 2021 @ 1147 ie19h 56m
18 Oct 2021 @ 1551 ie2d 1h 30m
16 Oct 2021 @ 14212h 37m 6d 5h 29m
10 Oct 2021 @ 0852 ie3d 17h 27m
06 Oct 2021 @ 152528m
06 Oct 2021 @ 145715m 4d 1h 55m
02 Oct 2021 @ 1302 ie8d 1h 11m
24 Sep 2021 @ 11512h 7m 23h 20m
23 Sep 2021 @ 1230:505d 2h 20m
18 Sep 2021 @ 10102h 15m 1d 22h 22m
16 Sep 2021 @ 1148 ie1d 22h 58m
14 Sep 2021 @ 1250 ie23h 57m
13 Sep 2021 @ 1253 ie1d 22h 57m
11 Sep 2021 @ 13562h 23m 2d 22h 3m
08 Sep 2021 @ 1553 ns7h 19m
08 Sep 2021 @ 0834 ie<1h 44m 14h 38m
07 Sep 2021 @ 1756 ns8h 13m
07 Sep 2021 @ 0943 ie5d 14h 6m
01 Sep 2021 @ 1937 ie8h 32m
01 Sep 2021 @ 1105 ns>1h 5m 3d 16h 1m
28 Aug 2021 @ 19048h 3m
28 Aug 2021 @ 11012h 5m 23h 53m
27 Aug 2021 @ 1108 ie>2h 2m 1d 17h 56m
25 Aug 2021 @ 17127h 59m
25 Aug 2021 @ 0913 ns2h 19m 2d 17h 40m
22 Aug 2021 @ 1533>1h 2m 6h 33m
22 Aug 2021 @ 0900 ie10d 21h 11m
11 Aug 2021 @ 1149 ie1d 1h 40m
10 Aug 2021 @ 1009 ie8d 22h 48m
01 Aug 2021 @ 1121 ie22h 40m
31 Jul 2021 @ 1241 ns12d 16h 23m
18 Jul 2021 @ 20183d 7h 16m
15 Jul 2021 @ 1302 ie3d 2h 14m
12 Jul 2021 @ 1048 ie>1h 25m 8d 15h 55m
03 Jul 2021 @ 1853 ie11d 1h 8m
22 Jun 2021 @ 17456d 3h 8m
16 Jun 2021 @ 1437 ie1d 3h 16m
15 Jun 2021 @ 1121 ie1d 22h 56m
13 Jun 2021 @ 122516h 59m
12 Jun 2021 @ 1926 ns3d 56m
09 Jun 2021 @ 1830 ie2d 1h 19m
07 Jun 2021 @ 17112h 23m 2d 22h 58m
04 Jun 2021 @ 1813 ie1d 23h 26m
02 Jun 2021 @ 1847 ie12d 7h 46m
21 May 2021 @ 1101 ie2d 18h 53m

Interval Statistics

Interval Count100
Min28m
Max1y 59d 1h 50m
Mean11d 13h 50m
Median2d 14m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
34238 19 Apr 2024 @ 0915 19 Apr 2024 @ 1115 MAB zero steam seen
33960 30 Jan 2024 @ 1400 --- JR Full, overflowing
28841 17 Oct 2023 @ 0821 --- MAB faint steam - haven't seen that for a while
27458 27 Jul 2023 @ 1415 --- srboom Two blips at each 1415 and 1430, almost like it was trying to start an eruption, but no go.
25521 18 May 2023 @ 0902 18 May 2023 @ 1202 MAB zero steam observed all morning when it was cooler
24510 28 Oct 2022 @ 0850 --- MAB very light steam not visible after 1000
23807 13 Sep 2022 @ 1355 --- CP 1337 ie ended at 1355.
22757 21 Jul 2022 @ 0815 21 Jul 2022 @ 0945 nails Quiet. Not even any steam noted.
22276 01 Jul 2022 @ 0900 --- MAB steam yay
21032 18 Apr 2022 @ 1000 --- MAB no steam seen 0945-1230
19946 10 Oct 2021 @ 1705 --- MAB IE same low play as this morning so not entering it as an eruption - might be still ie or again
19816 30 Sep 2021 @ 1652 --- cb again some splashes but didn't erupt
19815 30 Sep 2021 @ 1605 --- cb about 3 splashes and no more
19720 24 Sep 2021 @ 1034 --- Graham Splashing. Also 1122.
17731 12 Jun 2021 @ 0855 --- MAB low play - either ending or beginning or something else entirely
16947 28 Apr 2021 @ 1000 --- MAB no steam all morning even in the cool temps
16839 04 Feb 2021 @ 1442 --- Micah Kipple Appears to be in a continuous light pulsing steam phase. It was like this during my last visit to Norris as well. Disturbance affect?
16266 26 Sep 2020 @ 1419 --- cb no Fireball eruptions observed by me to date this year. Area around it has black bacterial mat.
13793 24 Sep 2019 @ 1521 --- DanS Small sputtering for a few mins
13729 17 Sep 2019 @ 1435 17 Sep 2019 @ 1438 Skookum Observed full crater and boiling along north side of crater at 1435. Crater empty by 1438.
13051 05 Aug 2019 @ 0935 --- MAB rough time frame - Fireball tried to start - low burbling seen
2887 24 May 2016 @ 1121 --- MAB Spitting to 6", the first activity seen by myself this season. Not even steam has been visible on my prior visits. I did not stay to see if it grew into an eruption
2607 01 Nov 2015 @ 0959 --- MAB Vent filled and overflowed, easy to see the steamy water in the cool conditions. No eruption. Also filled to overflow 1106 w no eruption or maybe that IS it's current type of eruption
2377 18 Sep 2015 @ 1135 --- MAB Filled and flooded the crater area, with a few blips. I have not seen that for a while. It was promising enough that I recorded it, expecting it to continue to eruption, but that's all it did.
1784 22 Jun 2015 @ 2003 --- MAB Returning from the Congress area I saw it IE, would have called it a near start last year, or even near-end; it was full and splashing to 6-8". This however was the extent of the eruption.
1694 06 Jun 2015 @ 1330 --- MAB Fireball filled and overflowed, but did not erupt. This is an approximate time
1679 01 Jun 2015 @ 1011 --- MAB Fireball filled and overflowed. No eruption.
1586 14 May 2015 @ 0940 14 May 2015 @ 1400 MAB Fireball filled 1330, tried with a few splashes 1346, then subsided. No eruption as of when I left 1400.
1551 01 May 2015 @ 1300 01 May 2015 @ 1315 MAB Noticed first steam from Fireball around 1300. By 1315 it was full with small splashes that did not result in a regular eruption before quieting. Again at 1841 it was steaming.
29885 20 Jul 2000 @ 1200 --- research-mab 7/20 - no time noted - "weak Disturbance" - Fireball eruptions are quite strong and Pinto’s are going about 12 minutes.
29914 25 Sep 1999 @ 1200 --- research-mab 9-25-99 - no time noted - Other strange activity from Fireball with very few eruptions and Pinto saw only one eruption. With a full pool and overflow at about 1030 am then eruption did not come until 1420. What Happenin
29912 16 Sep 1999 @ 1200 --- research-mab 9/16/1999 - no time noted - Fireball shot water ~12ft. It appeared 2xs as high as normal.
29929 19 Apr 1998 @ 1200 --- research-mab 4/19/98 - no time noted - Fireball is active. Arsenic is only having heavy boils.
29918 06 Apr 1998 @ 1200 --- research-mab 4/6/1998 - no time noted - Lots of interesting things going on in Porcelain Basin... Fireball is inactive.
30125 15 Aug 1995 @ 1200 --- research-mab 8/15/1995 - no time noted - Fireball had a BIG eruptions this a.m. Bursts were reaching an estimated 30+ feet!
30212 28 Sep 1994 @ 1800 --- research-mab 9/28/1994 - no time noted {pm} - pm Fireball remains very active. Good boil in Pinto! The temp has doubled in Pinto in two months.
30208 27 Sep 1994 @ 1200 --- research-mab 9/27/1994 - no time noted - Fireball has gone nuts. Eruptions every hour to hour and 15 minutes. Fan was seen twice today.
30796 04 Jun 1988 @ 1200 --- research-mab 6/4/1988 - no time noted - Fireball is having frequent & large eruptions.
33432 06 Oct 1986 @ 1200 --- research-mab October 6, 1986 - no time noted - *The first algae bed along the boardwalk...runoff from Fireball and Africa… is completely mudded over with grey clay. There seem to be fresh holes (sputs) in the runoff.
7643 26 Jun 1986 @ 1800 --- research-mab 6-26-1986 Fireball Geyser – Frequently active. Water drains down at least 60cm after eruption. T while quiet is 194º
31022 02 Sep 1984 @ 1200 --- research-mab 9/2/1984 - no time noted - Much activity on Porcelain compared to normal. Arsenic, and Fireball very active.
30996 11 Jul 1984 @ 1200 --- research-mab temps recorded on July 11 1984 - no time noted - Fireball - no visible water in vent
30973 12 Jun 1984 @ 1200 --- research-mab Tuesday June 12 1984 - no time noted - Arsenic and Fireball playing simultaneously for several minutes.
30965 17 May 1984 @ 1200 --- research-mab Thursday May 17, 1984 - no time noted - Fireball Geyser is also quite active.
4682 16 May 1984 @ 1800 --- research-mab 5/16/1984 Splutter pot is splutting to 2 meters every 5-6 minutes. Fireball Geyser is also quite active. Steamboat looks good, but has never fully recovered from the disturbance of May 1983.
7621 11 Feb 1984 @ 1800 --- research-mab 02/11/1984 Fireball Geyser – Active much of time.
5366 11 Aug 1983 @ 1800 --- research-mab 8/11/1983 Arsenic Fireball Splutterpot in simultaneous eruption {time unknown}
31341 17 Jul 1982 @ 1201 --- research-mab Some Temps from Porcelain Basinland taken on July 17th - no time noted - Fireball ie 194º bursts to 5’. Periodicly [sic] there would be hotter (more active) periods when it would splash higher & with more force than before.
31330 17 Jul 1982 @ 1200 --- research-mab July 17, 1982 - no time noted - Fireball perpetual
31321 08 Jul 1982 @ 1400 08 Jul 1982 @ 1845 research-mab July 8th – TM in Porcelain 1400-1845 - Fireball Geyser = constant mainly 2 to 4 feet.
31213 15 Jan 1982 @ 1200 --- research-mab January 15th, 1982 - no time noted - Fireball 194º ie splashing 4-5’
31593 11 Dec 1981 @ 1200 --- research-mab Dec 11 1981 - no time noted - Fireball has gotten very periodic instead of this summer’s low perpetual splashing. Water is splashing 10-12” high in surges lasting 1-2 minutes with ~ a 15 sec pause between series. We saw 12 series & it was still going strong when we left. 198º The whole geyser’s eruption seems much more powerful than what it was this last summer. Go Fireball!
31542 31 Aug 1981 @ 1200 --- research-mab Monday Aug 31 1981 - no time noted - Fireball 197° max 6” eruption
31519 14 Aug 1981 @ 1200 --- research-mab 14 Aug 1981 - no time noted - Fireball is somewhat weak. {see Sunday Note}
31458 02 Aug 1981 @ 1200 --- research-mab Sunday August 2 1981 The Basin Wide Disturbance has occurred! - no time noted - Fireball geyser – clear water, erupting perpetually 8 to 15’ 203ºF
31422 26 Jun 1981 @ 1200 --- research-mab Fri 26 June - no time - Fireball fairly constant this morn
4628 20 Jun 1981 @ 1510 --- research-mab 6/20/1981 Fireball – first time (seen) quiet at 1450 – active again by 1510
4634 10 Jun 1981 @ 1900 --- research-mab 6/10/1981 Fireball – Perpetual, Africa – Dormant except overflow, Sunday – Active
31800 22 Sep 1980 @ 1200 --- research-mab Monday Sept 22, 1980 - no time noted - One week following the disturbance, some porcelain basin observations: - Fireball Geyser ie 203ºF
4609 15 Sep 1980 @ 1800 --- research-mab 9/15/1980 Fireball Geyser was a perpetual spouter all day 203ºF ie
4604 14 Sep 1980 @ 0000 --- research-mab 9/14/1980 Fireball – is strongest when Africa is weak. As Africa gets ready for a heavy water phase, Fireball weakens considerably. Fireball quits altogether a few minutes after Africa completes its heavy water phase.
31748 09 Sep 1980 @ 1200 --- research-mab Tuesday Sept 9 1980 - no time noted - Fireball Geyser – erupting to 15 feet, overflowing 202°F
4761 22 Jul 1980 @ 1320 --- research-mab 7/22/80 Porcelain 1:15-1:30 -Fireball – good, steady, two foot eruptions
4968 15 Jul 1980 @ 1800 --- research-mab 07/15/1980 Africa Geyser slept a while today so his partner (Fireball Geyser) would erupt. Eight to ten foot burst lasting fifteen minutes are occurring.
31618 08 Jun 1980 @ 1200 --- research-mab June 8 1980 - no time noted - Fireball Geyser – before eruption, gurgling 1 foot down 204ºF, during eruption 202ºF
5146 27 Sep 1979 @ 1200 --- research-mab 09/27/1979 - no time - Fireball- 200º i.e. 4 to 8 feet
4992 22 Sep 1979 @ 1800 --- research-mab 09/22/1979 Fireball is now periodic again, with action out of Fan. Arsenic weak, but perpetual.
31974 21 Sep 1979 @ 1200 --- research-mab Friday September 21 1979 - no time noted - More end of summer changes! The out flow of dark, muddy water from Porcelain Basin has diminished from yesterday evening. Africa, Fireball, Arsenic and Geyser north of Constant all perpetual spouters.
5003 20 Sep 1979 @ 1800 --- research-mab 09/20/1979 Disturbance Fireball Geyser – erupting perpetually 10 to 12 feet. Temp 178ºF
31878 28 Jul 1979 @ 0900 --- research-mab July 28 1979 Arsenic in eruption at 830-900. Fireball quit after Africa’s display. During Africa’s high water phase Fireball joined in reaching heights of 10’
5032 13 Jul 1979 @ 1050 --- research-mab 07/13/1979 Fireball stopped again just after the 10:00 walk at about 1050
5026 09 Jul 1979 @ 1045 --- research-mab 07/09/1979 Fireball stopped! At 1045 there was only gentle steaming coming from Fireball.
5010 25 May 1979 @ 1800 --- research-mab 05/25/1979 FIREBALL almost constantly active, usually only a couple of feet high but has put on a few good 10-15’ displays temp in vent 202º
5129 09 Sep 1978 @ 1800 --- research-mab 09/09/1978 Fireball was ie all afternoon temp 200ºF
32163 18 Aug 1978 @ 1200 --- research-mab 08/18/1978 - no times noted - Blue Geyser -Fireball -Africa – Dark Cavern- Splutter Pot – Constant – Bear Den – Big Whirligig – Moxie {<-- bracket} All active this afternoon.
32036 07 Mar 1978 @ 1200 --- research-mab Tuesday March 7 1978 - no time noted - Geysers observed in eruption today were: Bear Den, Feisty, L. Whirligig, Dark Cavern (minor) ie no discharge, Constant, Growler (C.S.) Splutterpot, Fireball, Unnamed, north end of Porcelain Terrace, Africa, Steamboat (minor) Blue, Echinus
32284 12 Jul 1977 @ 1800 --- research-mab 07/12/1977 - no time noted - Africa Fireball Arsenic Blue Big Whirly and Constant all in eruption at once.
5252 01 Sep 1976 @ 1800 --- research-mab 09/01/1976 Fireball spraying up to heights of 7-10’
5267 02 Aug 1976 @ 1200 --- research-mab 08/02/1976 Fireball was behaving a little strangely – it would weakly spout some spray, then forcefully erupt (~4-5’ high) then settle down again, then surge forth. This “up & down” type of action was seen during the 1200 walk.
32446 24 Jul 1976 @ 1510 --- research-mab 7/24/1976 Fireball wasn’t active at 310
5556 20 Jul 1976 @ 1800 --- research-mab 07/20/1976 Arsenic & Fireball continue their nearly constant type of activity, but the intensity of the activity varies.
6204 26 Sep 1973 @ 1800 --- research-mab 09/26/1973 Temps taken today Fireball 199 erupting
5927 19 Mar 1973 @ 1500 --- research-mab 03/19/1973 During this time {During Ledge: 1458-1730} Fireball Geyser was completely drained and inactive
6487 11 Sep 1972 @ 1200 --- research-mab 09/11/1972 Bear Den, Dark Cavern, Africa. L. Whirligig, Blue, Fireball & Arsenic all have been observed in eruption this morning. {generic a.m. time}
6351 23 Jul 1972 @ 1400 --- research-mab 07/23/1972 At the end of the 1:30 walk there were 6 geysers in simultaneous eruption – Blue, Iris, Fireball, Arsenic, Africa and Little Whirligig.
6497 15 May 1972 @ 1800 --- research-mab 05/15/1972 Fireball plays frequently 1’-3’ temp during eruption 202º after eruption (steam) 205º
33295 15 May 1972 @ 1200 --- research-mab May 15 1972 - no time - 202F Active all summer, playing several times a day- 3 to 5 feet for ten to fifteen minutes.
6308 14 May 1972 @ 1800 --- research-mab 05/14/1972 The following geysers have been seen erupting since I arrived last night: Ledge 6-10’, Iris 2-3’, Little Whirligig 15’, Basin 1’-2’, Fan 4’-5’, Bear Den, Feisty, Fireball 2-3’, Minute 1’-2’, Blue 7-15’, Africa 25-35’, Vixen 7’-15’, Dr Morey’s Porkchop 3’-5’, Echinus 10’-40’, Steamboat 5-20’
33364 31 Jul 1971 @ 1200 --- research-mab 10. Fire Ball Geyser July 31 1971 - no time - playing several times a day for thirty or more minutes. The geyser has built a very nice spring formation around the vents. The springs are almost white, the old formation is red. Water 94C 201F
33363 18 Aug 1970 @ 1200 --- research-mab Aug – no time - Have had some clay (grey) move into the channel. Aug 18 air 65F Water 188F
7671 12 Aug 1970 @ 1800 --- research-mab 08/12/1970 Much activity in Porcelain in late pm (6-7) Arsenic, Fireball, and Fan went off in succession. 8/12/1970 Dark Cavern had extended eruption also.
33362 30 Jun 1970 @ 1200 --- research-mab 10. Fire Ball Geyser June 1970 - no time no date EOM - Playing several times a day as last year. The formation is still a rusty red in color. Aug – Have had some clay (grey) move into the channel.
33294 19 Aug 1969 @ 1200 --- research-mab 1969 – Playing for about 45 to 60 minutes every _____ minutes. Aug 19 – no time - 200ºF. Some yellow and gray sinter has become deposited over the red sinter. Some of the grey may be coming from Fan... to the north.
7321 24 Aug 1967 @ 1800 --- research-mab 08/24/1967 Fireball has opened a crack about 3 ft long and ¼ inch wide along the south side of its vent. The crack erupts about 6 inches while Fireball is erupting.
7261 01 Jul 1967 @ 0000 --- research-mab Fireball Chart in 1967 Log: Date Time Comments. Has been playing every few minutes in June. {That is the extent of this chart!}
33375 30 Jun 1967 @ 1200 --- research-mab - Has been playing every few minutes in June. = Fireball Geyser 1967 chart - [NOTE No date or time - EOM 30th]
33293 29 Jun 1967 @ 1200 --- research-mab Fireball Geyser June 29 1967 - no time - 202ºF and a P.H. of 5 at 80ºF
33292 13 Jun 1967 @ 1200 --- research-mab #10 Fireball Geyser June 13 1967 - no time - No change. Located Northwest of Arsenic Geyser about 60 feet. This is the Geyser that DeSanto called Fan. The geyser has several small vents from which it plays. The two south vents are about the size of a mans fist. The geyser plays 3 to 6 feet high and plays almost all day. No sinter is built up around the vents, the runoff channel is colored a reddish orange and runs to the south.
33291 01 Jun 1967 @ 1200 --- research-mab #10 Fireball Geyser June 1 1967 - no time - Constant action 2 to 3 feet.
33008 26 Aug 1966 @ 1200 --- research-mab 08/26/1966 - no time noted - Geyser in Fireball’s runoff is extra active today. It s so active in is [sic] periodically dropping the level in its pool & then refilling. {Probable Africa location? mab Called "new" a few years later}
EntrySourceLinkComment
02 Jun 2014 @ 1640 JSJ https://www.youtube.com/watch?v=5IVE43Zzz6U Clips 1-5 of this video compilation show Fireball Geyser's 4:40 to 4:45 PM eruption on 2 June 2014. The rest of the video shows four other eruptions on 2 June & 7 July 2014.
Baseline does not exist.