Last Known Eruption
31m ago
Predicted Next Eruption
Today at 1847 ± 24 minutes

Latest Eruptions

EruptionDurationInterval
23 Oct 2017 @ 1219 ie wc20h 4m
22 Oct 2017 @ 1615 ie wc1d 2h 33m
21 Oct 2017 @ 1342 ie wc6h 35m
21 Oct 2017 @ 0707 wc6h 41m
21 Oct 2017 @ 0026 wc6h 30m
20 Oct 2017 @ 1756 wc6h 39m
20 Oct 2017 @ 1117 ie wc1d 1h 58m
19 Oct 2017 @ 0919 wc6h 36m
19 Oct 2017 @ 0243 wc13h 6m
18 Oct 2017 @ 1337 ie wc6h 40m
18 Oct 2017 @ 0657 wc13h 23m
17 Oct 2017 @ 1734 ie wc6h 29m
17 Oct 2017 @ 11056h 35m
17 Oct 2017 @ 0430 wc6h 39m
16 Oct 2017 @ 2151 wc6h 26m
16 Oct 2017 @ 1525 A wc6h 47m
16 Oct 2017 @ 083813h 14m
15 Oct 2017 @ 1924 wc6h 29m
15 Oct 2017 @ 1255 wc6h 35m
15 Oct 2017 @ 0620 wc13h 24m
14 Oct 2017 @ 1656 wc6h 40m
14 Oct 2017 @ 1016 wc20h 4m
13 Oct 2017 @ 1412 wc6h 23m
13 Oct 2017 @ 0749 wc13h 25m
12 Oct 2017 @ 1824 ie wc6h 33m
12 Oct 2017 @ 1151 ie wc6h 39m
12 Oct 2017 @ 0512 ie wc13h 6m
11 Oct 2017 @ 1606 ie wc6h 41m
11 Oct 2017 @ 0925 wc6h 29m
11 Oct 2017 @ 0256 wc13h 11m
10 Oct 2017 @ 1345 ie wc6h 40m
10 Oct 2017 @ 0705 ie wc6h 33m
10 Oct 2017 @ 0032 wc6h 41m
09 Oct 2017 @ 1751 wc6h 47m
09 Oct 2017 @ 1104 wc6h 38m
09 Oct 2017 @ 0426 wc6h 36m
08 Oct 2017 @ 2150 wc6h 49m
08 Oct 2017 @ 1501 ie wc13h 11m
08 Oct 2017 @ 0150 ns wc6h 36m
07 Oct 2017 @ 1914 ie wc6h 33m
07 Oct 2017 @ 1241 wc6h 39m
07 Oct 2017 @ 0602 ns wc6h 27m
06 Oct 2017 @ 2335 wc6h 43m
06 Oct 2017 @ 1652 wc6h 40m
06 Oct 2017 @ 10126h 37m
06 Oct 2017 @ 0335 wc6h 35m
05 Oct 2017 @ 2100 wc6h 41m
05 Oct 2017 @ 14196h 34m
05 Oct 2017 @ 0745 wc6h 31m
05 Oct 2017 @ 0114 wc6h 37m
04 Oct 2017 @ 1837 wc6h 41m
04 Oct 2017 @ 1156 ns13h 54m
03 Oct 2017 @ 2202 ie wc5h 47m
03 Oct 2017 @ 16156h 32m
03 Oct 2017 @ 09436h 38m
03 Oct 2017 @ 0305 wc6h 39m
02 Oct 2017 @ 2026 wc6h 34m
02 Oct 2017 @ 13526h 34m
02 Oct 2017 @ 0718 ie wc6h 32m
02 Oct 2017 @ 0046 ie wc6h 42m
01 Oct 2017 @ 1804 ie wc6h 29m
01 Oct 2017 @ 1135 wc6h 32m
01 Oct 2017 @ 0503 wc6h 29m
30 Sep 2017 @ 2234 ie wc6h 33m
30 Sep 2017 @ 1601 ns6h 31m
30 Sep 2017 @ 0930 A13h 5m
29 Sep 2017 @ 2025 ? ie wc6h 37m
29 Sep 2017 @ 134813h 10m
29 Sep 2017 @ 0038 wc6h 35m
28 Sep 2017 @ 1803 ns wc6h 38m
28 Sep 2017 @ 11256h 29m
28 Sep 2017 @ 0456 ie wc6h 38m
27 Sep 2017 @ 2218 wc6h 41m
27 Sep 2017 @ 15376h 31m
27 Sep 2017 @ 090613h 12m
26 Sep 2017 @ 1954 wc6h 38m
26 Sep 2017 @ 13166h 33m
26 Sep 2017 @ 0643 wc13h 15m
25 Sep 2017 @ 1728 wc6h 38m
25 Sep 2017 @ 105013h 13m
24 Sep 2017 @ 2137 ? ie wc6h 42m
24 Sep 2017 @ 14556h 40m
24 Sep 2017 @ 081513h 13m
23 Sep 2017 @ 1902 ns wc6h 37m
23 Sep 2017 @ 12256h 32m
23 Sep 2017 @ 0553 ie wc13h 25m
22 Sep 2017 @ 1628 ns wc6h 42m
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

Interval Statistics

Interval Count100
Min5h 47m
Max1d 2h 33m
Mean9h 3m
Median6h 39m

Latest Notes

Note IDStart TimeEnd TimeEntrantNote
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.
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
7054 16 Oct 1992 @ 0817 --- DGInc overflow
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
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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