Last Known Eruption
3y 54d 21h 44m ago

Latest Eruptions

Eruption DurationInterval
12 Aug 2021 @ 2101 wc>3m 2h 8m
12 Aug 2021 @ 1853 ie1h 58m
12 Aug 2021 @ 1655 wc~3½m3h 27m
12 Aug 2021 @ 1328 wc3½m1h 46m
12 Aug 2021 @ 1142 ns wc1h 50m
12 Aug 2021 @ 09523m 34s 1h 0m
12 Aug 2021 @ 08524m 11h 39m
11 Aug 2021 @ 21131h 23m
11 Aug 2021 @ 1950 ini334d 20m
11 Sep 2020 @ 1930 ns2h 5m
11 Sep 2020 @ 17251h 57m
11 Sep 2020 @ 15282h 13m
11 Sep 2020 @ 13151h 59m
11 Sep 2020 @ 11163.5m 1h 53m
11 Sep 2020 @ 09233.5m 1h 32m
11 Sep 2020 @ 07511h 23m
11 Sep 2020 @ 06283.5m 1h 21m
11 Sep 2020 @ 05074.5m 3h 18m
11 Sep 2020 @ 01491h 44m
11 Sep 2020 @ 000542m
10 Sep 2020 @ 232348m
10 Sep 2020 @ 223540m
10 Sep 2020 @ 215539m
10 Sep 2020 @ 211639m
10 Sep 2020 @ 20374m 1h 20m
10 Sep 2020 @ 1917 ini30m 14d 22m
27 Aug 2020 @ 1855 wc2h 18m
27 Aug 2020 @ 1637 wc2h 27m
27 Aug 2020 @ 1410 ie wc>3m 37s 3h 45m
27 Aug 2020 @ 102513h 15m
26 Aug 2020 @ 21102.25m 59m
26 Aug 2020 @ 20112.5m 55m
26 Aug 2020 @ 19162.5m 51m
26 Aug 2020 @ 18252.5m 48m
26 Aug 2020 @ 17373m 44m
26 Aug 2020 @ 165342m
26 Aug 2020 @ 16113m 40m
26 Aug 2020 @ 15313m 40m
26 Aug 2020 @ 145141m
26 Aug 2020 @ 14103m 30m
26 Aug 2020 @ 1340 ini5m 6y 209d 5h 11m
31 Jan 2014 @ 0729 wc14h 53m
30 Jan 2014 @ 1636 ie wc2y 138d 3h 40m
15 Sep 2011 @ 1356 ie wc4h 43m
15 Sep 2011 @ 0913 ie wc1h 27m
15 Sep 2011 @ 07463m 12h 17m
14 Sep 2011 @ 1929 ns wc1h 35m
14 Sep 2011 @ 17541h 31m
14 Sep 2011 @ 16231h 31m
14 Sep 2011 @ 1452 ie wc1h 31m
14 Sep 2011 @ 13211h 29m
14 Sep 2011 @ 11521h 21m
14 Sep 2011 @ 1031 ie wc1h 21m
14 Sep 2011 @ 0910 ie wc1h 21m
14 Sep 2011 @ 0749 ns wc1h 4m
14 Sep 2011 @ 06455h 39m
14 Sep 2011 @ 0106 ie4h 40m
13 Sep 2011 @ 2026 ini24m 127d 14h 21m
09 May 2011 @ 0605 ie wc13h 44m
08 May 2011 @ 1621 ie wc4h 12m
08 May 2011 @ 1209 ie1h 24m
08 May 2011 @ 1045 ie wc25m
08 May 2011 @ 1020 ie1h 20m
08 May 2011 @ 09002h 10m
08 May 2011 @ 0650 ie wc124d 12h 56m
03 Jan 2011 @ 1654 ? ie wc161d 14h 35m
26 Jul 2010 @ 0319 ini284d 15h 29m
14 Oct 2009 @ 115043m
14 Oct 2009 @ 1107 ini296d 1h 14m
22 Dec 2008 @ 0853 wc2y 150d 11h 4m
25 Jul 2006 @ 2249 ini1y 58d 8h 33m
28 May 2005 @ 1416 ini226d 20h 59m
13 Oct 2004 @ 1717 ini2y 344d 1m
04 Nov 2001 @ 1616 ini2m 59d 21h 17m
05 Sep 2001 @ 1959 ini51d 9h 15m
16 Jul 2001 @ 1044 ini1y 327d 21h 14m
23 Aug 1999 @ 1330 ini300d 19h 35m
26 Oct 1998 @ 1655 ie57m
26 Oct 1998 @ 1558 ie ini11d 1h 49m
15 Oct 1998 @ 15091h 39m
15 Oct 1998 @ 133034h 14m
15 Oct 1998 @ 0916 ns4d 18h 48m
10 Oct 1998 @ 1428 ie1h 49m
10 Oct 1998 @ 1239 ie52m
10 Oct 1998 @ 1147 ie50m
10 Oct 1998 @ 1057 ie1h 34m
10 Oct 1998 @ 0923 ie51m
10 Oct 1998 @ 0832 ie9d 17h 29m
30 Sep 1998 @ 1503 ie1h 4m
30 Sep 1998 @ 1359 ie3h 32m
30 Sep 1998 @ 1027 ie1h 14m
30 Sep 1998 @ 0913 ie8d 19h 5m
21 Sep 1998 @ 1408 ie1h 5m
21 Sep 1998 @ 1303 ie9d 6m
12 Sep 1998 @ 125757m
12 Sep 1998 @ 12001h 14m
12 Sep 1998 @ 104658m
12 Sep 1998 @ 09481h 0m
12 Sep 1998 @ 0848 ie5d 9h 22m
06 Sep 1998 @ 23263h 40m

Interval Statistics

Interval Count100
Min25m
Max6y 209d 5h 11m
Mean83d 18h 15m
Median1h 47m
Initial-to-Initial
Interval Count13
Min15d 5h 37m
Max8y 349d 17h 14m
Mean1y 275d 9h 27m
Median335d 33m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
21194 06 May 2022 @ 2053 --- Tara water level ~3" below rim
20975 11 Apr 2022 @ 1100 --- mhreed ~2 cm below overflow.
18943 15 Aug 2021 @ 0931 --- Suzanne Water is clear and calm, level is about 3 inches below the crater rim.
18935 14 Aug 2021 @ 2014 --- Suzanne Water is clear and calm, level is about 1 foot below the crater rim.
18929 14 Aug 2021 @ 1343 --- Suzanne Water level is about 3 feet below the rim. Color is clear. Small bubbles appear every few seconds along the back rim (the side closest to Giantess).
18125 28 Jun 2021 @ 1334 --- TheHikingDude 1 inch below overflow and pulsating
18077 24 Jun 2021 @ 2150 --- Ben VL Barely an inch below the rim, and bubbling a little on the back side.
17667 11 Jun 2021 @ 1034 --- TheHikingDude 6 inches below overflow and pulsating
17502 06 Jun 2021 @ 1037 --- Tara about 3 inches below rim
17450 04 Jun 2021 @ 1927 --- Graham Water level is a bit lower, simmilar to last year.
17291 30 May 2021 @ 2041 --- Ben VL Water level is high. 1 1/2" or so below rim. Bubbles breaking the surface in the back.
17111 17 May 2021 @ 1230 --- RMichaels Vault is full to within 2 inches of the rim and bubbling from the end furthest from the boardwalk.
17101 15 May 2021 @ 1650 15 May 2021 @ 1817 Micah Kipple Pool is high. About 2 inches below the rim, and bubbling from the South end.
16932 27 Apr 2021 @ 1319 --- DanS Filled less by Han a foot below rim. Light bubbling SW end of pool.
16146 16 Sep 2020 @ 1900 --- Ben VL Frequent bubbles breaking the surface in the back of the pool.
16132 14 Sep 2020 @ 1740 --- Ben VL Has risen since this AM and is now sitting a little over an inch below the back rim.
16127 14 Sep 2020 @ 1120 --- Ben VL Vault water level is normal and the pool is calm.
16108 13 Sep 2020 @ 1325 --- Graham Back to almost normal level.
16103 13 Sep 2020 @ 1203 --- WillBoekel 8inches below rim
16097 13 Sep 2020 @ 0854 --- Graham Water visible 1 foot down.
16093 12 Sep 2020 @ 1830 --- Graham No water visible but it is steamy.
16079 12 Sep 2020 @ 1010 --- TheHikingDude Empty.
15778 29 Aug 2020 @ 1135 --- Tara Water level has risen to about 1 foot below rim.
15136 01 Aug 2020 @ 1013 --- Ben VL Maybe an inch below overflow.
15050 20 Jul 2020 @ 1601 --- KevinS Inch below overflow. Clear water
13338 21 Aug 2019 @ 1233 --- Minafuku Highest water level I’ve seen in years, almost at overflow. Actually does appear to have a slight flow off the back side, but barely a trickle.
13137 09 Aug 2019 @ 0800 09 Aug 2019 @ 1955 Brian Vault down 3-4 inches from water level at 0800 this morning
11454 31 May 2019 @ 1407 --- Graham Water level is higher than recent seasons, about an inch below overflow.
10360 16 Sep 2018 @ 1334 --- Siegmund Water ~20cm below overflow (little lower than I remember it being in the spring or in previous years.)
4554 27 Jul 2017 @ 0729 --- EmilyW Area around vault is wet. Might have overflowed this morning
4522 24 Jul 2017 @ 0700 --- SteveO The Northeast side Vault's vent is wet and downhill away from the vent 5 or 6 feet. Looks like it may have overflowed a bit. Vault's level is down about 3 inches below the rim.
4482 18 Jul 2017 @ 1409 --- geysergaze Water levels up two inches over the course of the Giantess boiling event
3858 05 Nov 2016 @ 1100 --- Janet Jones Down 4-5" and sending up bubbles on the side farthest from the boardwalk. The bubbles were seen on my past few visits, but I'd have to check photos to see if the water level has changed. If it has, it's not by much.
3189 22 Jun 2016 @ 0954 --- David semi-clear blue water about 8-10" below rim. see: https://www.flickr.com/photos/ujelang/27769711220/in/dateposted-public/
16718 12 Sep 1998 @ 1530 --- JarnoO refilling
16616 01 Apr 1998 @ 0000 01 Apr 1998 @ 2359 JarnoO active
14432 14 Nov 1995 @ 1700 --- JarnoO H2O down 1cm
14397 28 Sep 1995 @ 1703 --- JarnoO empty
14271 20 Jan 1995 @ 0000 20 Jan 1995 @ 2359 JarnoO not in overflow
12190 08 May 1993 @ 1230 --- JarnoO overflowing
547 31 Mar 1976 @ 2115 --- BoekelUpload 2115 water level down 1/2 inch
438 10 Jul 1975 @ 0210 --- BoekelUpload 0210 down 17in
419 29 Jun 1975 @ 0855 --- BoekelUpload 0855 down 1.75in
417 29 Jun 1975 @ 0847 --- BoekelUpload 0847 down 1in
418 29 Jun 1975 @ 0838 --- BoekelUpload 0838 down .5in
420 29 Jun 1975 @ 0831 --- BoekelUpload 0831 full
409 14 May 1975 @ 1728 --- BoekelUpload 1728 15in down
410 14 May 1975 @ 1714 --- BoekelUpload 1714 11in down
408 14 May 1975 @ 1641 --- BoekelUpload 1641 3in down
411 14 May 1975 @ 1617 --- BoekelUpload 1617 full
399 29 Apr 1975 @ 0815 --- BoekelUpload 0815 filled over ledge
395 28 Apr 1975 @ 2015 --- BoekelUpload 2015 just above ledge
397 28 Apr 1975 @ 0815 --- BoekelUpload 0815 filled over ledge
394 28 Apr 1975 @ 0652 --- BoekelUpload 0652 D below ledge
339 17 Apr 1975 @ 0659 --- BoekelUpload 0659 below ledge 26m
458 16 Apr 1975 @ 0000 16 Apr 1975 @ 2359 BoekelUpload dn 1in @~20m
459 16 Apr 1975 @ 0000 16 Apr 1975 @ 2359 BoekelUpload dn 11in @ 57m
460 16 Apr 1975 @ 0000 16 Apr 1975 @ 2359 BoekelUpload dn 16in @~80-m
461 16 Apr 1975 @ 0000 16 Apr 1975 @ 2359 BoekelUpload dn 5in @~49m
332 05 Apr 1975 @ 0000 05 Apr 1975 @ 2359 BoekelUpload active
330 13 Mar 1975 @ 1200 13 Mar 1975 @ 2359 BoekelUpload active pm
328 14 Feb 1975 @ 0000 14 Feb 1975 @ 2359 BoekelUpload active
325 09 Feb 1975 @ 0000 09 Feb 1975 @ 2359 BoekelUpload active
322 20 Jan 1975 @ 0000 20 Jan 1975 @ 2359 BoekelUpload drained
321 19 Jan 1975 @ 1200 19 Jan 1975 @ 2359 BoekelUpload active pm
270 17 Jul 1973 @ 0935 --- BoekelUpload 0935;drained 15ft
218 17 Jan 1972 @ 0000 17 Jan 1972 @ 2359 BoekelUpload avg 65 m
219 17 Jan 1972 @ 0000 17 Jan 1972 @ 2359 BoekelUpload avg 65 m
EntrySourceLinkComment
10 Sep 2020 @ 1917 JSJ https://www.youtube.com/watch?v=LTiDU5itaes Video of Vault Geyser's initial eruption on 10 September 2020.
Baseline does not exist.