Last Known Eruption
3h 5m ago
Predicted Next Eruption
Today at 1616 ± 24 minutes

Latest Eruptions

EruptionDurationInterval
22 Sep 2017 @ 0946 wc19h 45m
21 Sep 2017 @ 1401 ns19h 51m
20 Sep 2017 @ 1810 ie wc6h 28m
20 Sep 2017 @ 1142 wc19h 54m
19 Sep 2017 @ 1548 ie wc19h 54m
18 Sep 2017 @ 1954 wc6h 36m
18 Sep 2017 @ 13186h 41m
18 Sep 2017 @ 0637 wc13h 13m
17 Sep 2017 @ 17246h 38m
17 Sep 2017 @ 104613h 1m
16 Sep 2017 @ 2145 wc6h 39m
16 Sep 2017 @ 15066h 45m
16 Sep 2017 @ 082113h 23m
15 Sep 2017 @ 18586h 29m
15 Sep 2017 @ 1229 ns6h 40m
15 Sep 2017 @ 0549 ie13h 22m
14 Sep 2017 @ 1627 wc6h 35m
14 Sep 2017 @ 09526h 43m
14 Sep 2017 @ 0309 ? ns wc6h 36m
13 Sep 2017 @ 2033 ns wc6h 38m
13 Sep 2017 @ 13556h 39m
13 Sep 2017 @ 071613h 20m
12 Sep 2017 @ 17566h 37m
12 Sep 2017 @ 11196h 38m
12 Sep 2017 @ 0441 wc13h 30m
11 Sep 2017 @ 15116h 28m
11 Sep 2017 @ 0843 wc6h 40m
11 Sep 2017 @ 0203 wc6h 44m
10 Sep 2017 @ 19196h 44m
10 Sep 2017 @ 12356h 44m
10 Sep 2017 @ 0551 wc6h 47m
09 Sep 2017 @ 2304 wc13h 31m
09 Sep 2017 @ 09336h 32m
09 Sep 2017 @ 030113h 22m
08 Sep 2017 @ 13396h 36m
08 Sep 2017 @ 07036h 34m
08 Sep 2017 @ 0029 wc6h 41m
07 Sep 2017 @ 17486h 28m
07 Sep 2017 @ 11206h 41m
07 Sep 2017 @ 0439 wc6h 47m
06 Sep 2017 @ 2152 wc6h 44m
06 Sep 2017 @ 15086h 35m
06 Sep 2017 @ 08336h 39m
06 Sep 2017 @ 0154 wc6h 44m
05 Sep 2017 @ 19106h 36m
05 Sep 2017 @ 123413h 27m
04 Sep 2017 @ 2307 wc6h 41m
04 Sep 2017 @ 16266h 37m
04 Sep 2017 @ 094912h 46m
03 Sep 2017 @ 21036h 31m
03 Sep 2017 @ 14326h 41m
03 Sep 2017 @ 075113h 10m
02 Sep 2017 @ 18416h 33m
02 Sep 2017 @ 120819h 32m
01 Sep 2017 @ 1636 ie6h 35m
01 Sep 2017 @ 100113h 13m
31 Aug 2017 @ 20486h 34m
31 Aug 2017 @ 14146h 41m
31 Aug 2017 @ 073312h 33m
30 Aug 2017 @ 19006h 42m
30 Aug 2017 @ 12186h 36m
30 Aug 2017 @ 0542 wc6h 45m
29 Aug 2017 @ 2257 wc6h 39m
29 Aug 2017 @ 16186h 26m
29 Aug 2017 @ 095213h 5m
28 Aug 2017 @ 2047 ie wc6h 37m
28 Aug 2017 @ 14106h 38m
28 Aug 2017 @ 0732 ns13h 12m
27 Aug 2017 @ 18206h 35m
27 Aug 2017 @ 11456h 6m
27 Aug 2017 @ 0539 ie wc19h 57m
26 Aug 2017 @ 094213h 13m
25 Aug 2017 @ 2029 wc6h 33m
25 Aug 2017 @ 1356 ns6h 40m
25 Aug 2017 @ 0716 ie12h 59m
24 Aug 2017 @ 1817 ie6h 43m
24 Aug 2017 @ 113419h 59m
23 Aug 2017 @ 1535 ns6h 41m
23 Aug 2017 @ 085420h 1m
22 Aug 2017 @ 12536h 34m
22 Aug 2017 @ 061912h 11m
21 Aug 2017 @ 18086h 38m
21 Aug 2017 @ 113019h 52m
20 Aug 2017 @ 15386h 44m
20 Aug 2017 @ 0854 ns13h 22m
19 Aug 2017 @ 19326h 32m
19 Aug 2017 @ 13006h 29m
19 Aug 2017 @ 063113h 12m
18 Aug 2017 @ 17196h 38m
18 Aug 2017 @ 1041 ns20h 7m
17 Aug 2017 @ 14346h 45m
17 Aug 2017 @ 074913h 24m
16 Aug 2017 @ 182513h 14m
16 Aug 2017 @ 0511 wc13h 17m
15 Aug 2017 @ 15546h 37m
15 Aug 2017 @ 091719h 55m
14 Aug 2017 @ 13226h 37m
14 Aug 2017 @ 064519h 49m
13 Aug 2017 @ 10561d 2h 38m
12 Aug 2017 @ 081813h 13m

Interval Statistics

Interval Count100
Min6h 6m
Max1d 2h 38m
Mean9h 59m
Median6h 42m

Latest Notes

Note IDStart TimeEnd TimeEntrantNote
6630 17 Sep 2017 @ 0847 --- JimS First overflow at 0847.
6329 13 Sep 2017 @ 0706 --- JimS Already in overflow at 0706.
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 --- AndrewW 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
4307 13 Jun 2017 @ 0810 --- B**2 Looks post eruptive.
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.
3318 19 Jul 2016 @ 0426 --- DGInc May have erupted
3302 14 Jul 2016 @ 0650 --- JimS Overflow started about 0650. Eruption should be about 0830 to 0900.
3257 08 Jul 2016 @ 0344 --- DGInc Might be ie. Riverside spot went dark, probably because of the steam
3258 07 Jul 2016 @ 2140 --- DGInc 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.
2876 21 May 2016 @ 2127 --- DaveM looks like Riverside erupted. Where are the observers in the basin when you need them?
2847 15 May 2016 @ 0532 --- JimS Riverside was definitely ie at 0532 when I got in sight of it from sawmill area. I saw no other big steam down basin.
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.
2449 01 Oct 2015 @ 0658 --- JimS Post-eruptive ar 0658.
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 --- AndrewW 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
971 21 Jun 2008 @ 1405 21 Jun 2008 @ 1455 BoekelUpload 14:x5
947 06 Mar 2008 @ 1130 06 Mar 2008 @ 1139 BoekelUpload 11:3x ie wc
946 05 Mar 2008 @ 0940 --- BoekelUpload overflow 9:40 ie
923 21 Jan 2008 @ 1553 --- BoekelUpload overflow 15:53ie
1400 29 Dec 2007 @ 1230 29 Dec 2007 @ 1239 BoekelUpload 12:3x
1399 21 Oct 2007 @ 2053 21 Oct 2007 @ 2353 BoekelUpload 2x:53; vr
1518 10 Oct 2007 @ 1413 --- GeyserTimesNew overflow
1398 29 Apr 2007 @ 0730 29 Apr 2007 @ 0739 BoekelUpload 7:3x ns
1397 18 Feb 2007 @ 0045 18 Feb 2007 @ 2345 BoekelUpload xx:45
6370 22 Sep 1992 @ 1214 22 Sep 1992 @ 1215 DGInc [Either 1214 or 1215, write-over unclear]
4926 23 Jan 1992 @ 1615 --- DGInc over 1615 vr
4906 07 Jan 1992 @ 1717 --- DGInc after 1717
472 02 Aug 1975 @ 0836 --- BoekelUpload 0836 1st overflow
469 08 May 1975 @ 0852 --- BoekelUpload 0852 not yet
271 27 Jul 1973 @ 1900 27 Jul 1973 @ 1909 BoekelUpload 190X; the digit represented by the X was unreadable
176 08 Feb 1971 @ 1300 --- BoekelUpload overflowing at1300
EntrySourceLinkComment
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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