Last Known Eruption
5y 40d 17h 7m ago

Latest Eruptions

Eruption DurationInterval
09 Aug 2016 @ 1747 ns15+340d 36m
04 Sep 2015 @ 17113y 24d 2h 51m
11 Aug 2012 @ 14203y 8d 1h 12m
04 Aug 2009 @ 1308317d 23h 36m
20 Sep 2008 @ 13323y 62d 21h 44m
20 Jul 2005 @ 1548304d 23h 3m
18 Sep 2004 @ 164562d 28m
18 Jul 2004 @ 1617320d 23h 39m
01 Sep 2003 @ 16384y 306d 23h 39m
30 Oct 1998 @ 1559 ie22d 22h 2m
07 Oct 1998 @ 1857 ie126d 8h 34m
03 Jun 1998 @ 1023 ie41d 16h 39m
22 Apr 1998 @ 174433m
22 Apr 1998 @ 171135m
22 Apr 1998 @ 16361d 20h 32m
20 Apr 1998 @ 200429m
20 Apr 1998 @ 1935217d 4h 38m
15 Sep 1997 @ 1457 ie237d 2h 27m
21 Jan 1997 @ 1130 A162d 21h 54m
11 Aug 1996 @ 143625d 23h 34m
16 Jul 1996 @ 150239d 4h 4m
07 Jun 1996 @ 105823m
07 Jun 1996 @ 103526m
07 Jun 1996 @ 10092d 22h 48m
04 Jun 1996 @ 112114d 14h 35m
20 May 1996 @ 20467h 31m
20 May 1996 @ 131526m
20 May 1996 @ 124928m
20 May 1996 @ 122117h 29m
19 May 1996 @ 185223d 29m
26 Apr 1996 @ 1823243d 4h 12m
27 Aug 1995 @ 1411 ie6d 22h 24m
20 Aug 1995 @ 15471h 1m
20 Aug 1995 @ 144640m
20 Aug 1995 @ 14063m
20 Aug 1995 @ 140334d 22h 46m
16 Jul 1995 @ 151727m
16 Jul 1995 @ 145024m
16 Jul 1995 @ 14261d 3h 1m
15 Jul 1995 @ 112520h 8m
14 Jul 1995 @ 151726m
14 Jul 1995 @ 145126m
14 Jul 1995 @ 142545d 21h 17m
29 May 1995 @ 17081h 24m
29 May 1995 @ 154418d 5h 56m
11 May 1995 @ 094814h 49m
10 May 1995 @ 185938m
10 May 1995 @ 182129m
10 May 1995 @ 175223m
10 May 1995 @ 172928m
10 May 1995 @ 170123m
10 May 1995 @ 163825m
10 May 1995 @ 161326m
10 May 1995 @ 15475h 10m
10 May 1995 @ 103728m
10 May 1995 @ 100918h 5m
09 May 1995 @ 16042d 4h 12m
07 May 1995 @ 115224m
07 May 1995 @ 112829m
07 May 1995 @ 1059262d 23h 45m
17 Aug 1994 @ 1113:374m 39s 40m 24s
17 Aug 1994 @ 1033:134m 40s 27m
17 Aug 1994 @ 100682d 21h 55m
26 May 1994 @ 1211258d 11h 33m
10 Sep 1993 @ 003846m
09 Sep 1993 @ 235231m
09 Sep 1993 @ 232136m
09 Sep 1993 @ 224546m
09 Sep 1993 @ 215944m
09 Sep 1993 @ 211540m
09 Sep 1993 @ 203540m
09 Sep 1993 @ 19552d 5h 45m
07 Sep 1993 @ 14108d 3m
30 Aug 1993 @ 140720d 19h 20m
09 Aug 1993 @ 18471h 15m
09 Aug 1993 @ 173248d 18h 16m
21 Jun 1993 @ 231644m
21 Jun 1993 @ 223234m
21 Jun 1993 @ 215817d 23h 18m
03 Jun 1993 @ 224047m
03 Jun 1993 @ 215345m
03 Jun 1993 @ 210811d 10h 14m
23 May 1993 @ 10547d 11m
16 May 1993 @ 104391d 1h 1m
14 Feb 1993 @ 0842 A29m
14 Feb 1993 @ 08132y 229d 1h 42m
01 Jul 1990 @ 0731 E2m 57s 28m
01 Jul 1990 @ 0703 E3m 7s 28m
01 Jul 1990 @ 0635 E2m 59s 28m
01 Jul 1990 @ 0607 E2m 39s 37m
01 Jul 1990 @ 0530 E2m 32s 27m
01 Jul 1990 @ 0503 E3m 4s 28m
01 Jul 1990 @ 0435 E2m 30s 28m
01 Jul 1990 @ 0407 E3m 2s 27m
01 Jul 1990 @ 0340 E3m 10s 31m
01 Jul 1990 @ 0309 E3m 13s 29m
01 Jul 1990 @ 0240 E3m 9s 29m
01 Jul 1990 @ 0211 E3m 21s 29m
01 Jul 1990 @ 0142 E2m 54s 29m
01 Jul 1990 @ 0113 E2m 54s 27m

Interval Statistics

Interval Count100
Min3m
Max4y 306d 23h 39m
Mean95d 8h 48m
Median46m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
17992 09 Jun 2021 @ 1434 --- JSJ Water level relatively low, but visible from the Fountain overlook platform. 1633 - five active basin-marginal blippers.
17217 27 May 2021 @ 1430 --- JSJ Water level down in basin, but still visible. Four marginal blippers noticed to be active.
15527 11 Aug 2020 @ 1120 --- JSJ Water level still a bit low. Color is a deep turquoise. Two marginal blippers visibly active in the late morning light (1120); four blippers seen to be active in the mid-afternoon light (1531).
15156 02 Aug 2020 @ 1327 --- JSJ Water level a bit low in basin - color not deep blue - more of a deep turquoise (slight greenish tint). 1516 - 4 basin-marginal blippers seen active.
13395 13 Aug 2019 @ 1331 13 Aug 2019 @ 1424 JSJ Basin's water level relatively low. 1346 - 2 active blippers along margin of basin. 1413 - 3 active blippers. 1424 - 4 active blippers.
13202 12 Aug 2019 @ 1024 12 Aug 2019 @ 1433 JSJ 1024 - Deep Blue in extensive overflow - never seen this before. Overflow was spread out all behind the geyser & in the front-left area. 1235 - water level has dropped a bit - still a full pool. 1320 - below overflow; almost full basin. 1433 - nearly full pool. I recall seeing one active, basin-marginal blipper today.
13180 11 Aug 2019 @ 1307 11 Aug 2019 @ 1645 JSJ Basin's water level is higher than of late - ~full basin. 1332 - 2 active basin-marginal blippers, submerged in water. 1535 - 3 active blippers. 1550 - 4 active blippers. 1551 - looks like the basin's water level has dropped a bit (coinciding with a water level rise in Drain Geyser). 1626 - 5 active blippers. 1631 - 6 active blippers (ditto at 1645).
13091 07 Aug 2019 @ 1000 --- Tara It appears that the water level has risen dramatically in Deep Blue's pool so that the vents around it are now submerged. This change happened since 1335 on 8/6/19.
12940 01 Aug 2019 @ 1320 01 Aug 2019 @ 1420 JSJ Relatively low water level, but still visible & blue. Two visible marginal blippers at 1320. Four blippers visible at 1420.
11770 13 Jun 2019 @ 1245 13 Jun 2019 @ 1303 JSJ Basin fairly full. Two active blippers at 1245. Three active blippers at 1303.
11737 11 Jun 2019 @ 1128 11 Jun 2019 @ 1635 JSJ Water level is relatively low, but still visible. 1554 - 4 active blippers visible along margin of basin. 1635 - 5 active blippers visible.
11635 07 Jun 2019 @ 1012 --- JSJ Basin not full - water level down. Noticed four active blippers along margin of pool.
10669 09 Aug 2018 @ 1648 --- JSJ Seven active blippers in & around basin.
9464 04 Aug 2018 @ 1707 04 Aug 2018 @ 1806 JSJ Six active blippers in and around Deep Blue Geyser's basin. Seven blippers active at 1728 & 1806.
8734 16 Jun 2018 @ 1256 16 Jun 2018 @ 1743 JSJ 1256 - water level visible, but lower than last reported. Deep Blue and K13 have completely separated pools. Three active blippers observed around the margin of Deep Blue's basin at 1408. Five active blippers seen at 1458. Six blippers at 1647 & 1743. 1622 - noticed that the water level had risen. 1638 - Deep Blue & K13 are one pool again. 1646 - noticed that the water level was nearly full to the rim. Nearby Drain Geyser appeared empty.
8670 13 Jun 2018 @ 1454 --- JSJ Deep Blue Geyser's water level was relatively low in basin, but still visible. Never seen this before. Five active blippers in & around basin - all of which were subaerially exposed - never seen that before either. The ridge between Deep Blue's vent & K13's vent area was exposed to partially exposed - never seen that before.
8426 02 Jun 2018 @ 1549 --- JSJ Six active blippers around Deep Blue Geyser. Some often obscured by steam. Possibly seven active, total.
5417 10 Aug 2017 @ 1342 10 Aug 2017 @ 1554 JSJ Two active blippers along basin margin & in basin at 1342. Three active at 1344. Four active at 1549. Five active at 1554.
5676 06 Aug 2017 @ 1440 06 Aug 2017 @ 1900 JSJ Four active blippers along & near the margin of Deep Blue Geyser's basin. Noticed five were active at 1501. Six active blippers seen along & near border at 1900 (approximate time).
4572 28 Jul 2017 @ 1600 28 Jul 2017 @ 1652 JSJ Three blippers active at 1600 in & along edge of Deep Blue Geyser's basin. Four blippers active at 1628. Five blippers active at 1634 & 1652.
15856 29 Aug 1997 @ 0000 29 Aug 1997 @ 2359 JarnoO active
15836 27 Jun 1997 @ 0000 27 Jun 1997 @ 2359 JarnoO still inactive
15300 27 Sep 1996 @ 0000 27 Sep 1996 @ 2359 JarnoO active
15266 31 Jul 1996 @ 0000 31 Jul 1996 @ 2359 JarnoO active
15264 13 Jul 1996 @ 0000 13 Jul 1996 @ 2359 JarnoO active; h=>50'
15237 14 Jun 1996 @ 0000 14 Jun 1996 @ 2359 JarnoO Deep Blue Pool; active; h=>40'
15201 09 Mar 1996 @ 0000 09 Mar 1996 @ 2359 JarnoO active
15193 10 Feb 1996 @ 0000 10 Feb 1996 @ 2359 JarnoO Deep Blue Pool; active
14333 14 Jul 1995 @ 1425 14 Jul 1995 @ 1517 JarnoO series of bursts starting at 1425, 1451, 1517
14257 07 Jan 1995 @ 0000 07 Jan 1995 @ 2359 JarnoO main vent dormant; flooding NE vent--continuous minors 1-5m
12281 28 Jul 1993 @ 0000 28 Jul 1993 @ 2359 JarnoO dormant; both vents to east in pool {KLD-K12 & KLD-K13} active
7649 01 Jul 1990 @ 0740 --- JSJ Summary of Deep Blue Geyser logger data: intervals - 119; observation period - 58h47m [from evening of 28 June 1990 to morning of 1 July 1990]; average interval - 29m38s; interval range - 25m to 40m; standard deviation - 2m40s; durations - 119; total duration - 352m58s; average duration - 2m58s; duration range - 2m15s to 4m13s; standard deviation - 20s. Interval distribution: 25m (3), 26m (1), 27m (17), 28m (25), 29m (25), 30m (15), 31m (8), 32m (13), 33m (1), 34m (3), 35m (3), 36m (1), 37m (2), 38m (1), 39m (0), 40m (1).
7625 30 Jun 1990 @ 1317 --- JSJ Aborted eruption at 1317? Duration = 17s.
7826 04 Sep 1989 @ 1200 --- JSJ Deep Blue Geyser active this day.
7583 30 Jan 1989 @ 0000 30 Jan 1989 @ 2359 JSJ "Since 1-26-89, Deep Blue active".
7580 26 Jan 1989 @ 0000 26 Jan 1989 @ 2359 JSJ Deep Blue Geyser active. Two eruptions observed in the evening to heights of 7 to 8 meters maximum.
7549 17 Apr 1976 @ 0000 17 Apr 1976 @ 2359 JSJ 17 April 1976 - Deep Blue Geyser's pool is depressed 2-3 inches. Dormant.
No attachments for this geyser.
Baseline does not exist.