Riverside Geyser

Last Known Eruption
5h 2m ago
Predicted Next Eruption
Jun 17 at 0009 ± 25 minutes
More predictions

Latest Eruptions

Eruption DurationInterval
16 Jun 2019 @ 1809 ns wc11h 37m
16 Jun 2019 @ 0632 ie wc6h 17m
16 Jun 2019 @ 0015 ie wc6h 4m
15 Jun 2019 @ 18115h 55m
15 Jun 2019 @ 12166h 1m
15 Jun 2019 @ 0615 ns wc5h 58m
15 Jun 2019 @ 0017 ns wc5h 58m
14 Jun 2019 @ 18195h 54m
14 Jun 2019 @ 12256h 20m
14 Jun 2019 @ 0605 ns wc5h 43m
14 Jun 2019 @ 0022 ns wc5h 53m
13 Jun 2019 @ 1829 ie wc6h 2m
13 Jun 2019 @ 12276h 0m
13 Jun 2019 @ 062710h 54m
12 Jun 2019 @ 1933 wc5h 28m
12 Jun 2019 @ 14055h 58m
12 Jun 2019 @ 08076h 1m
12 Jun 2019 @ 0206 ns wc5h 33m
11 Jun 2019 @ 2033 wc5h 38m
11 Jun 2019 @ 14555h 58m
11 Jun 2019 @ 0857 ie wc11h 13m
10 Jun 2019 @ 2144 ie wc5h 1m
10 Jun 2019 @ 164323h 33m
09 Jun 2019 @ 17105h 55m
09 Jun 2019 @ 1115 ns22h 42m
08 Jun 2019 @ 123320m 6h 1m
08 Jun 2019 @ 063217h 40m
07 Jun 2019 @ 12525h 54m
07 Jun 2019 @ 0658 ie11h 51m
06 Jun 2019 @ 190720m 45s 5h 34m
06 Jun 2019 @ 133316h 44m
05 Jun 2019 @ 20496h 6m
05 Jun 2019 @ 14436h 3m
05 Jun 2019 @ 084011h 58m
04 Jun 2019 @ 20426h 1m
04 Jun 2019 @ 14416h 2m
04 Jun 2019 @ 083912h 9m
03 Jun 2019 @ 20306h 6m
03 Jun 2019 @ 14246h 4m
03 Jun 2019 @ 0820 ie12h 13m
02 Jun 2019 @ 2007 ie5h 53m
02 Jun 2019 @ 1414 ns5h 40m
02 Jun 2019 @ 083412h 6m
01 Jun 2019 @ 20285h 49m
01 Jun 2019 @ 14395h 58m
01 Jun 2019 @ 08415h 57m
01 Jun 2019 @ 0244 ie wc6h 2m
31 May 2019 @ 2042 ns wc5h 4m
31 May 2019 @ 15386h 1m
31 May 2019 @ 093712h 9m
30 May 2019 @ 2128 ns wc4h 58m
30 May 2019 @ 1630 ns wc5h 50m
30 May 2019 @ 10405h 59m
30 May 2019 @ 0441 ns wc6h 5m
29 May 2019 @ 2236 ns wc5h 57m
29 May 2019 @ 16396h 0m
29 May 2019 @ 10395h 44m
29 May 2019 @ 0455 ie wc6h 7m
28 May 2019 @ 2248 ns wc6h 7m
28 May 2019 @ 1641 ie12h 8m
28 May 2019 @ 0433 ns wc12h 21m
27 May 2019 @ 16125h 44m
27 May 2019 @ 1028 ie wc5h 59m
27 May 2019 @ 0429 ie wc5h 54m
26 May 2019 @ 2235 wc6h 2m
26 May 2019 @ 1633 ie wc5h 52m
26 May 2019 @ 1041 wc6h 8m
26 May 2019 @ 0433 wc12h 20m
25 May 2019 @ 1613 ns wc5h 55m
25 May 2019 @ 101819m 5h 49m
25 May 2019 @ 0429 ns wc11h 20m
24 May 2019 @ 1709 ie wc6h 24m
24 May 2019 @ 1045 ie wc6h 1m
24 May 2019 @ 0444 ie wc12h 28m
23 May 2019 @ 1616 ns wc5h 45m
23 May 2019 @ 1031 ie wc6h 12m
23 May 2019 @ 0419 ns wc6h 7m
22 May 2019 @ 2212 ns wc6h 10m
22 May 2019 @ 1602 wc12h 4m
22 May 2019 @ 0358 ie wc6h 6m
21 May 2019 @ 2152 wc6h 16m
21 May 2019 @ 1536 wc6h 1m
21 May 2019 @ 0935 wc6h 4m
21 May 2019 @ 0331 wc5h 52m
20 May 2019 @ 2139 wc11h 30m
20 May 2019 @ 1009 ns wc5h 56m
20 May 2019 @ 0413 ie wc5h 57m
19 May 2019 @ 2216 wc5h 53m
19 May 2019 @ 1623 wc6h 0m
19 May 2019 @ 1023 wc5h 45m
19 May 2019 @ 0438 ie wc5h 39m
18 May 2019 @ 2259 ie wc6h 11m
18 May 2019 @ 164819m 53s 6h 8m
18 May 2019 @ 10406h 1m
18 May 2019 @ 0439 ns wc6h 5m
17 May 2019 @ 2234 ns wc12h 13m
17 May 2019 @ 1021 wc17h 56m
16 May 2019 @ 1625 ns wc5h 46m
16 May 2019 @ 10395h 54m
16 May 2019 @ 0445 ie wc6h 6m

Interval Statistics

Interval Count100
Min4h 58m
Max23h 33m
Mean7h 38m
Median6h 1m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
11830 16 Jun 2019 @ 1342 --- Polly Post eruptive. Quietly steaming at 1342.
11740 12 Jun 2019 @ 0756 12 Jun 2019 @ 0806 dank Overflow and splashing in main vent, nothing in upper vent yet
11707 10 Jun 2019 @ 1614 --- Bhoffer Riverside is boiling and overflowing.
11704 10 Jun 2019 @ 1408 --- CrisG still no overflow
11701 10 Jun 2019 @ 1401 --- Bhoffer No action at riverside. Past prediction window.
11700 10 Jun 2019 @ 1300 --- Bhoffer Platform dry. Hardly any steam coming out of old vent.
11702 10 Jun 2019 @ 1250 --- CrisG no overflow. cone quietly steaming.
11598 06 Jun 2019 @ 0840 --- B**2 Definitely looks post eruption. Very Dry.
11574 04 Jun 2019 @ 1910 --- William in overflow
11179 06 May 2019 @ 0745 --- RLJones Start of overflow
11178 06 May 2019 @ 0657 --- RLJones Riverside is not in overflow
11149 03 May 2019 @ 1230 --- RLJones First overflow at 1230
11117 28 Apr 2019 @ 1933 --- ddshepard In overflow
11106 27 Apr 2019 @ 1251 --- rbwhitaker In overflow
10715 04 Nov 2018 @ 0805 --- jkgood In overflow
10661 24 Oct 2018 @ 1751 --- STS NPS prediction of 21:15
10560 05 Oct 2018 @ 0810 --- William No water visible in cone.
10342 22 Sep 2018 @ 0900 --- Minafuku Not in overflow as far as I can tell from the bike path...
10303 20 Sep 2018 @ 0807 --- STS NPS prediction of 0945
10057 06 Sep 2018 @ 1039 --- mswindle Not in overflow as of 1 hour ago, was in overflow as of 15 minutes ago. VC posting prediction of 1130.
9429 03 Aug 2018 @ 0958 --- rbwhitaker Currently in overflow
7874 23 Jan 2018 @ 0830 --- DaveM The two times posted (0315 and 0830) don't quite work. Both produced big steam clouds but the interval is too short.
7689 04 Oct 2017 @ 1125 --- Kitt B Riverside is in weak overflow
7536 29 Sep 2017 @ 0750 --- Kitt B heavy steam and low thruming sound -post eruptive
6630 17 Sep 2017 @ 0847 --- JimS First overflow at 0847.
5572 02 Sep 2017 @ 1006 --- JimS Overflow started at 1006.
5515 31 Aug 2017 @ 0630 --- JimS Already in overflow at 0630.
5509 30 Aug 2017 @ 1020 --- Art In overflow
5493 29 Aug 2017 @ 0809 --- JimS Already in overflow at 0809.
5468 28 Aug 2017 @ 0653 --- JimS Already in overflow at 0653.
5400 26 Aug 2017 @ 0804 --- JimS Was on overflow.
5321 25 Aug 2017 @ 0705 --- JimS In overflow at 0705.
5301 24 Aug 2017 @ 0929 --- JimS Overflow started at 0929.
5181 20 Aug 2017 @ 2232 --- Tara Post-eruptive, forced steam
5158 20 Aug 2017 @ 0636 20 Aug 2017 @ 0653 JimS Overflow started between 0636 and 0653.
4925 17 Aug 2017 @ 0627 --- JimS In overflow at 0627.
4881 12 Aug 2017 @ 0624 --- JimS Already in overflow at 0624.
4839 09 Aug 2017 @ 0626 --- JimS Already in overflow at 0626.
4803 05 Aug 2017 @ 0843 --- rbwhitaker Just went into first overflow.
4580 30 Jul 2017 @ 0608 --- JimS In overflow at 0608.
4544 26 Jul 2017 @ 0700 --- JimS In overflow.
4542 26 Jul 2017 @ 0621 --- EmilyW Dead at 0621
4515 23 Jul 2017 @ 0550 --- SteveO In overflow.
4494 19 Jul 2017 @ 0634 --- SteveO Started overflow after 0553 and before 0634.
4384 01 Jul 2017 @ 0825 --- WillBoekel start of overflow
4375 28 Jun 2017 @ 0550 28 Jun 2017 @ 0610 SteveO Started overflow between 0550 & 0610
4363 26 Jun 2017 @ 0711 --- Dave from B Overflow started in last 15 minutes
4201 04 Jun 2017 @ 0836 --- steve Overflow started between 0800 and 0820
4167 01 Jun 2017 @ 0808 --- B**2 Overflow started about 8:00
4118 23 May 2017 @ 0543 --- SteveO In overflow
4033 03 May 2017 @ 1053 --- udo Minor eruptions from upper vent caused main to stop overflowing. Overflow restarted 1056.
4027 02 May 2017 @ 0707 --- JimS In overflow at 0727.
3958 03 Mar 2017 @ 1253 --- WillBoekel Riverside currently in overflow
3902 24 Dec 2016 @ 1550 --- ARoe Quietly steaming. No water.
3842 04 Nov 2016 @ 1226 --- udo Now in overflow
3841 04 Nov 2016 @ 1214 --- udo Not overflowing yet.
3787 15 Oct 2016 @ 1015 --- Kitt B Riverside in over flow, may have just started
3361 25 Jul 2016 @ 0541 --- JimS Overflow started 0541.
3302 14 Jul 2016 @ 0650 --- JimS Overflow started about 0650. Eruption should be about 0830 to 0900.
3258 07 Jul 2016 @ 2140 --- JarnoO May have erupted. There was some steam visible at 2140 to 2143 in the Riverside spot, but due to the wind there was no visible steam after that.
2990 06 Jun 2016 @ 0729 --- B**2 Start of overflow.
2685 16 Feb 2016 @ 0930 --- AndreaEide Riverside in overflow ~0930
2672 09 Feb 2016 @ 1526 --- ACarlson Riverside started overflow around 15:25.
2668 02 Feb 2016 @ 0940 --- ACarlson In overflow at 0940
2480 05 Oct 2015 @ 0839 --- cb very quiet. no overflow
2461 03 Oct 2015 @ 0818 --- JimS In overflow at 0818.
2442 30 Sep 2015 @ 0610 --- Jake in. overflow
2077 10 Aug 2015 @ 1139 --- RLJones Dry when I arrived at 1135. Overflow started at 1139
2076 10 Aug 2015 @ 0851 --- EmilyW Quiet and empty at 0851
2015 04 Aug 2015 @ 0656 --- RyanMaurer crater empty. no overflow.
1825 02 Jul 2015 @ 0953 --- DaveM Riverside start was 0730wc but GT is using the in basin 0731ie time as the primary.
1726 12 Jun 2015 @ 0820 --- B**2 Start of overflow!
1140 21 Aug 2014 @ 1129 --- WillBoekel first overflow 1129
1115 25 Jul 2014 @ 0850 --- WillBoekel First overflow 0850
1091 01 Jul 2014 @ 1406 --- WillBoekel First overflow 1406
1060 06 May 2014 @ 1240 --- WillBoekel First overflow 1240
868 05 Sep 2013 @ 1300 --- Graham Jim prediction 1300
622 26 Oct 2012 @ 0940 --- smballou In overflow with boiling at 0940
144 14 Mar 2012 @ 1500 --- ofcarolyn rough 1500 prediction
141 13 Mar 2012 @ 1045 --- ofcarolyn 1045 prediction
126 05 Mar 2012 @ 1330 --- ofcarolyn prediction 1330
125 28 Feb 2012 @ 1415 --- ofcarolyn 1415 prediction
117 22 Feb 2012 @ 0926 --- ofcarolyn overflow 0926 i.e., predicting 1045
605 21 Feb 2012 @ 0933 --- BoekelUpload 933ie overflow
116 21 Feb 2012 @ 0930 --- ofcarolyn overflow i.e. at 0930
112 20 Feb 2012 @ 0945 --- ofcarolyn had not erupted by 0945, we\'re predicting 1600
96 02 Feb 2012 @ 1630 --- Pat Snyder Thanks for the Riverside confirmation this morning. Sigh. No F&M.
94 01 Feb 2012 @ 1100 --- ofcarolyn We\'re not sure about recent overflow times, but are predicting based on an overflow time of 1 1/2 to 2 hours before a Riverside eruption.
93 01 Feb 2012 @ 0909 --- ofcarolyn overflow 0909 n.s.
92 31 Jan 2012 @ 0936 --- ofcarolyn early overflow i.e. at 0936
90 30 Jan 2012 @ 0850 --- ofcarolyn Early overflow at 0850 i.e.
87 24 Jan 2012 @ 0945 --- ofcarolyn overflow i.e. 0945, probably no eruption until past 1000
599 02 Jan 2012 @ 0913 02 Jan 2012 @ 0936 BoekelUpload overflow ie at 0913 and 0936
668 21 Mar 2011 @ 1156 --- BoekelUpload 1156ie in overflow
667 17 Mar 2011 @ 1140 --- BoekelUpload 1140ie in overflow
656 28 Feb 2011 @ 1430 --- BoekelUpload 1430 ie in overflow
654 25 Feb 2011 @ 0940 --- BoekelUpload 0940ie in overflow
637 28 Jan 2011 @ 0940 --- BoekelUpload 0940ie in overflow
633 14 Jan 2011 @ 0836 --- BoekelUpload 0836 ie in overflow
631 12 Jan 2011 @ 0950 --- BoekelUpload 0950 ie in overflow
EntrySourceLinkComment
06 Jun 2018 @ 1346 JSJ https://www.flickr.com/photos/jsjgeology/28208979037 Photo (out of 3) of Riverside Geyser's afternoon eruption on 6 June 2018.
08 Aug 2017 @ 1845 JSJ https://www.flickr.com/photos/jsjgeology/35725848423 Photo (out of 6) of Riverside Geyser's 6:45 PM-onward eruption on 8 August 2017.
02 Jul 2016 @ 1244 JSJ https://www.youtube.com/watch?v=QiSiw1FbPF0 Video compilation of Riverside Geyser's 12:44 PM-onward eruption on 2 July 2016.
03 Jul 2016 @ 1540 JSJ https://www.flickr.com/photos/jsjgeology/28303442506 Photo (1 of 6) of Riverside Geyser's 3:40 PM-onward eruption on 3 July 2016.
02 Jul 2016 @ 1244 JSJ https://www.flickr.com/photos/jsjgeology/27721214383 Photo (1 of 2) of Riverside Geyser's 12:44 PM-onward eruption on 2 July 2016.
08 Jul 2014 @ 1600 JSJ https://www.flickr.com/photos/jsjgeology/15129110278 Photo (1 of 3) of Riverside Geyser erupting at 4:00 PM-onward on 8 July 2014.
04 Aug 2013 @ 1653 JSJ https://www.flickr.com/photos/jsjgeology/13923848943 Photo (first of many) of Riverside Geyser's 4:54 to 5:16 PM eruption on 4 August 2013.
31 May 2013 @ 1528 JSJ https://www.flickr.com/photos/jsjgeology/13923982114 Photo (first of many, plus videos) of Riverside Geyser's 3:28 to 3:49 PM eruption on 31 May 2013.
28 Sep 2015 @ 0428 td http://i57.tinypic.com/1426f41.jpg Riverside?
27 Apr 2015 @ 0709 td http://tinypic.com/m/inx2eh/3 Taken 4/27/15 at 07:14 MT
01 Jul 2009 @ 1145 Micah Kipple https://www.flickr.com/photos/fback2008/16380373861 Flickr
Baseline does not exist.

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