Last Known Eruption
10h 29m ago

Latest Eruptions

Eruption DurationInterval
19 Jun 2018 @ 2019 ie6h 23m
19 Jun 2018 @ 13566h 15m
19 Jun 2018 @ 074112h 5m
18 Jun 2018 @ 1936 ns5h 53m
18 Jun 2018 @ 1343 wc6h 28m
18 Jun 2018 @ 0715 wc12h 42m
17 Jun 2018 @ 1833 wc6h 24m
17 Jun 2018 @ 12096h 6m
17 Jun 2018 @ 0603 ie wc12h 57m
16 Jun 2018 @ 17065h 57m
16 Jun 2018 @ 11096h 19m
16 Jun 2018 @ 0450 wc18h 18m
15 Jun 2018 @ 10326h 24m
15 Jun 2018 @ 0408 wc6h 21m
14 Jun 2018 @ 2147 ie wc6h 23m
14 Jun 2018 @ 15246h 19m
14 Jun 2018 @ 09056h 23m
14 Jun 2018 @ 0242 wc19h 7m
13 Jun 2018 @ 0735 wc6h 21m
13 Jun 2018 @ 0114 ie wc6h 22m
12 Jun 2018 @ 1852 wc6h 29m
12 Jun 2018 @ 12236h 24m
12 Jun 2018 @ 0559 wc6h 30m
11 Jun 2018 @ 2329 wc6h 14m
11 Jun 2018 @ 1715 ie wc12h 33m
11 Jun 2018 @ 0442 ie wc6h 30m
10 Jun 2018 @ 2212 wc6h 25m
10 Jun 2018 @ 154719h 9m
09 Jun 2018 @ 2038 wc6h 18m
09 Jun 2018 @ 14205h 48m
09 Jun 2018 @ 0832 ie wc12h 7m
08 Jun 2018 @ 20256h 20m
08 Jun 2018 @ 14056h 26m
08 Jun 2018 @ 073912h 3m
07 Jun 2018 @ 1936 ns6h 19m
07 Jun 2018 @ 1317 ie6h 17m
07 Jun 2018 @ 070012h 15m
06 Jun 2018 @ 1845 ie4h 59m
06 Jun 2018 @ 13466h 7m
06 Jun 2018 @ 073917h 24m
05 Jun 2018 @ 14155h 56m
05 Jun 2018 @ 0819 ie1d 4h 50m
04 Jun 2018 @ 0329 wc6h 12m
03 Jun 2018 @ 2117 wc11h 54m
03 Jun 2018 @ 0923 wc5h 47m
03 Jun 2018 @ 0336 wc6h 18m
02 Jun 2018 @ 2118 wc6h 15m
02 Jun 2018 @ 1502:506h 8m
02 Jun 2018 @ 0854 wc6h 19m
02 Jun 2018 @ 0235 wc5h 46m
01 Jun 2018 @ 2049 wc5h 40m
01 Jun 2018 @ 1509 wc5h 6m
01 Jun 2018 @ 1003 wc6h 13m
01 Jun 2018 @ 0350 wc5h 58m
31 May 2018 @ 2152 wc5h 36m
31 May 2018 @ 1616 wc5h 51m
31 May 2018 @ 10256h 8m
31 May 2018 @ 0417 wc5h 38m
30 May 2018 @ 2239 wc6h 6m
30 May 2018 @ 1633 wc5h 50m
30 May 2018 @ 1043 ie5h 40m
30 May 2018 @ 0503 wc6h 21m
29 May 2018 @ 2242 wc6h 0m
29 May 2018 @ 16426h 13m
29 May 2018 @ 10296h 23m
29 May 2018 @ 0406 wc6h 15m
28 May 2018 @ 2151 wc6h 21m
28 May 2018 @ 1530 wc6h 12m
28 May 2018 @ 091812h 8m
27 May 2018 @ 2110 wc6h 22m
27 May 2018 @ 1448 ie5h 57m
27 May 2018 @ 0851 wc6h 24m
27 May 2018 @ 0227 wc6h 26m
26 May 2018 @ 2001 wc12h 37m
26 May 2018 @ 0724 wc6h 17m
26 May 2018 @ 0107 wc12h 37m
25 May 2018 @ 12306h 4m
25 May 2018 @ 0626 wc6h 10m
25 May 2018 @ 0016 wc5h 59m
24 May 2018 @ 1817 wc6h 20m
24 May 2018 @ 11576h 13m
24 May 2018 @ 0544 wc5h 58m
23 May 2018 @ 2346 wc6h 24m
23 May 2018 @ 1722 wc5h 53m
23 May 2018 @ 1129 wc12h 10m
22 May 2018 @ 2319 wc6h 18m
22 May 2018 @ 1701 ie wc6h 16m
22 May 2018 @ 10456h 20m
22 May 2018 @ 0425 wc6h 19m
21 May 2018 @ 2206 wc6h 18m
21 May 2018 @ 15485h 51m
21 May 2018 @ 0957 wc18h 27m
20 May 2018 @ 15306h 19m
20 May 2018 @ 091118h 44m
19 May 2018 @ 14275h 58m
19 May 2018 @ 0829 ie10h 8m
18 May 2018 @ 2221 ie wc6h 21m
18 May 2018 @ 1600 ns wc6h 20m
18 May 2018 @ 09402112h 39m
17 May 2018 @ 2101 wc5h 59m

Interval Statistics

Interval Count100
Min4h 59m
Max1d 4h 50m
Mean7h 58m
Median6h 19m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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.
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 --- 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
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 --- 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
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
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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