Last Known Eruption
10h 17m ago

Latest Eruptions

Eruption DurationInterval
19 Feb 2019 @ 1439 ie wc6h 4m
19 Feb 2019 @ 0835 ie wc18h 11m
18 Feb 2019 @ 1424 ns wc18h 14m
17 Feb 2019 @ 2010 wc6h 4m
17 Feb 2019 @ 1406 wc6h 17m
17 Feb 2019 @ 0749 wc12h 24m
16 Feb 2019 @ 1925 wc6h 15m
16 Feb 2019 @ 1310 ns wc6h 11m
16 Feb 2019 @ 0659 ns wc18h 20m
15 Feb 2019 @ 1239 ie wc18h 23m
14 Feb 2019 @ 1816 ie wc5h 46m
14 Feb 2019 @ 1230 ie wc1d 18h 15m
12 Feb 2019 @ 1815 ie wc6h 3m
12 Feb 2019 @ 1212 ie wc1d 18h 59m
10 Feb 2019 @ 1713 wc2d 5h 26m
08 Feb 2019 @ 11471d 20m
07 Feb 2019 @ 11274d 23h 33m
02 Feb 2019 @ 1154 ns wc18h 29m
01 Feb 2019 @ 1725 ns wc6h 7m
01 Feb 2019 @ 1118 ie wc18h 30m
31 Jan 2019 @ 1648 ns wc6h 5m
31 Jan 2019 @ 1043 ns wc18h 32m
30 Jan 2019 @ 1611 ns wc5h 40m
30 Jan 2019 @ 1031 ns wc12h 27m
29 Jan 2019 @ 2204 ie wc6h 10m
29 Jan 2019 @ 1554 ns wc5h 53m
29 Jan 2019 @ 1001 ns wc18h 12m
28 Jan 2019 @ 15496h 9m
28 Jan 2019 @ 0940 wc6h 15m
28 Jan 2019 @ 0325 ns wc6h 3m
27 Jan 2019 @ 2122 ns wc5h 54m
27 Jan 2019 @ 1528 ns wc5h 59m
27 Jan 2019 @ 0929 wc18h 4m
26 Jan 2019 @ 1525 ns wc6h 6m
26 Jan 2019 @ 0919 ns wc12h 14m
25 Jan 2019 @ 2105 ns wc6h 26m
25 Jan 2019 @ 1439 ns wc5h 55m
25 Jan 2019 @ 0844 ns wc6h 10m
25 Jan 2019 @ 0234 ns wc6h 5m
24 Jan 2019 @ 2029 ns wc12h 14m
24 Jan 2019 @ 0815 ns wc18h 30m
23 Jan 2019 @ 1345 ie1d 54m
22 Jan 2019 @ 1251 ns wc5h 40m
22 Jan 2019 @ 0711 ie wc19h 1m
21 Jan 2019 @ 12101d 16m
20 Jan 2019 @ 1154 ns wc18h 25m
19 Jan 2019 @ 1729 ns wc6h 6m
19 Jan 2019 @ 1123 ns wc12h 32m
18 Jan 2019 @ 2251 ie wc6h 6m
18 Jan 2019 @ 1645 ns wc5h 46m
18 Jan 2019 @ 1059 ns wc6h 15m
18 Jan 2019 @ 0444 ns wc6h 2m
17 Jan 2019 @ 2242 ns wc1d 3m
16 Jan 2019 @ 2239 ie wc12h 23m
16 Jan 2019 @ 1016 ns wc12h 12m
15 Jan 2019 @ 2204 ie wc12h 17m
15 Jan 2019 @ 0947 ns wc6h 9m
15 Jan 2019 @ 0338 ie wc6h 3m
14 Jan 2019 @ 2135 ns wc6h 6m
14 Jan 2019 @ 1529 ns wc6h 11m
14 Jan 2019 @ 0918 ns wc6h 16m
14 Jan 2019 @ 0302 ns wc6h 15m
13 Jan 2019 @ 2047 ie wc6h 16m
13 Jan 2019 @ 1431 wc6h 10m
13 Jan 2019 @ 0821 ns wc12h 0m
12 Jan 2019 @ 2021 ns wc6h 18m
12 Jan 2019 @ 1403 ns wc18h 6m
11 Jan 2019 @ 1957 ns wc6h 7m
11 Jan 2019 @ 1350 ns wc6h 19m
11 Jan 2019 @ 0731 ns wc18h 19m
10 Jan 2019 @ 1312 wc6h 4m
10 Jan 2019 @ 0708 wc6h 16m
10 Jan 2019 @ 0052 wc12h 19m
09 Jan 2019 @ 1233 ns wc6h 16m
09 Jan 2019 @ 0617 ns wc6h 2m
09 Jan 2019 @ 0015 ie wc6h 10m
08 Jan 2019 @ 1805 ns wc6h 9m
08 Jan 2019 @ 1156 ns wc6h 19m
08 Jan 2019 @ 0537 ns wc12h 46m
07 Jan 2019 @ 1651 ns wc6h 26m
07 Jan 2019 @ 1025 ie wc1d 19h 23m
05 Jan 2019 @ 150218h 25m
04 Jan 2019 @ 2037 wc6h 19m
04 Jan 2019 @ 1418 ns wc6h 15m
04 Jan 2019 @ 080318h 23m
03 Jan 2019 @ 1340Yes18501d 1h 4m
02 Jan 2019 @ 1236 wc14h 40m
01 Jan 2019 @ 2156 wc1d 5h 0m
31 Dec 2018 @ 1656 wc6h 12m
31 Dec 2018 @ 1044 ns wc12h 37m
30 Dec 2018 @ 2207 wc1d 5h 39m
29 Dec 2018 @ 1628 wc5h 9m
29 Dec 2018 @ 1119 ie wc6h 14m
29 Dec 2018 @ 0505 ie wc6h 5m
28 Dec 2018 @ 2300 ns wc5h 52m
28 Dec 2018 @ 1708 ie wc6h 9m
28 Dec 2018 @ 1059 ns wc1d 50m
27 Dec 2018 @ 1009 ns wc6h 6m
27 Dec 2018 @ 0403 ns wc6h 10m
26 Dec 2018 @ 2153 ns wc6h 12m

Interval Statistics

Interval Count100
Min5h 9m
Max4d 23h 33m
Mean13h 11m
Median6h 16m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
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
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 --- JarnoO overflow
6370 22 Sep 1992 @ 1214 22 Sep 1992 @ 1215 JarnoO [Either 1214 or 1215, write-over unclear]
4926 23 Jan 1992 @ 1615 --- JarnoO over 1615 vr
4906 07 Jan 1992 @ 1717 --- JarnoO after 1717
472 02 Aug 1975 @ 0836 --- BoekelUpload 0836 1st 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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