Last Known Eruption
17h 41m ago

Latest Eruptions

Eruption DurationInterval
14 Dec 2018 @ 1718 ns wc5h 36m
14 Dec 2018 @ 1142 wc18h 10m
13 Dec 2018 @ 1732 ns wc18h 26m
12 Dec 2018 @ 2306 ns wc6h 18m
12 Dec 2018 @ 1648 ie wc6h 6m
12 Dec 2018 @ 1042 ns wc23h 33m
11 Dec 2018 @ 1109 ie wc18h 42m
10 Dec 2018 @ 1627 ie wc6h 5m
10 Dec 2018 @ 1022 ie wc5h 35m
10 Dec 2018 @ 0447 ie wc12h 37m
09 Dec 2018 @ 1610 wc6h 14m
09 Dec 2018 @ 0956 ns wc12h 44m
08 Dec 2018 @ 2112 wc6h 21m
08 Dec 2018 @ 1451 ns wc6h 18m
08 Dec 2018 @ 0833 ie wc6h 21m
08 Dec 2018 @ 0212 ie wc11h 31m
07 Dec 2018 @ 1441 ie wc5h 36m
07 Dec 2018 @ 0905 ie wc18h 31m
06 Dec 2018 @ 1434 wc1d 0m
05 Dec 2018 @ 1434 ns wc1d 13m
04 Dec 2018 @ 1421 ie wc18h 34m
03 Dec 2018 @ 1947 ie wc6h 20m
03 Dec 2018 @ 1327 ie wc1d 1h 1m
02 Dec 2018 @ 1226 wc18h 55m
01 Dec 2018 @ 1731 ie wc6h 3m
01 Dec 2018 @ 1128 ns wc6h 15m
01 Dec 2018 @ 0513 ie wc5h 47m
30 Nov 2018 @ 2326 wc6h 13m
30 Nov 2018 @ 1713 ns wc5h 51m
30 Nov 2018 @ 1122 ie wc18h 46m
29 Nov 2018 @ 1636 ns wc6h 7m
29 Nov 2018 @ 1029 ns wc6h 16m
29 Nov 2018 @ 0413 ns wc12h 15m
28 Nov 2018 @ 1558 ie wc6h 15m
28 Nov 2018 @ 0943 ns wc18h 33m
27 Nov 2018 @ 1510 ns wc5h 46m
27 Nov 2018 @ 0924 ie wc6h 21m
27 Nov 2018 @ 0303 ie wc12h 27m
26 Nov 2018 @ 1436 wc12h 35m
26 Nov 2018 @ 0201 ie wc6h 22m
25 Nov 2018 @ 1939 wc6h 0m
25 Nov 2018 @ 1339 ie wc6h 29m
25 Nov 2018 @ 0710 ns wc6h 15m
25 Nov 2018 @ 0055 ns wc6h 26m
24 Nov 2018 @ 1829 wc6h 16m
24 Nov 2018 @ 1213 ie wc1d 29m
23 Nov 2018 @ 1144 ie wc1d 6h 24m
22 Nov 2018 @ 0520 ns wc5h 37m
21 Nov 2018 @ 2343 ns wc5h 42m
21 Nov 2018 @ 1801 ns wc5h 41m
21 Nov 2018 @ 1220 ns wc5h 24m
21 Nov 2018 @ 0656 ns wc6h 24m
21 Nov 2018 @ 0032 ns wc6h 5m
20 Nov 2018 @ 1827 wc6h 7m
20 Nov 2018 @ 1220 ns wc12h 26m
19 Nov 2018 @ 2354 ns wc6h 16m
19 Nov 2018 @ 1738 ie wc6h 6m
19 Nov 2018 @ 1132 ie wc11h 41m
18 Nov 2018 @ 2351 ns wc5h 45m
18 Nov 2018 @ 1806 ns wc5h 48m
18 Nov 2018 @ 1218 ns5h 43m
18 Nov 2018 @ 0635 ns6h 18m
18 Nov 2018 @ 0017 ns wc6h 17m
17 Nov 2018 @ 1800 ie wc5h 40m
17 Nov 2018 @ 1220 wc5h 58m
17 Nov 2018 @ 0622 ns wc6h 21m
17 Nov 2018 @ 0001 ns wc6h 18m
16 Nov 2018 @ 1743 ns wc23h 40m
15 Nov 2018 @ 1803 ns wc5h 57m
15 Nov 2018 @ 1206 ie wc5h 58m
15 Nov 2018 @ 0608 ns wc12h 33m
14 Nov 2018 @ 1735 ns wc22h 42m
13 Nov 2018 @ 1853 ns wc6h 5m
13 Nov 2018 @ 1248 ns wc11h 16m
13 Nov 2018 @ 0132 ie wc6h 21m
12 Nov 2018 @ 1911 ns wc6h 27m
12 Nov 2018 @ 1244 ns wc6h 13m
12 Nov 2018 @ 0631 ns wc6h 18m
12 Nov 2018 @ 0013 ie wc12h 41m
11 Nov 2018 @ 1132 ie wc17h 38m
10 Nov 2018 @ 1754 ns wc6h 14m
10 Nov 2018 @ 1140 ie wc18h 41m
09 Nov 2018 @ 1659 wc5h 34m
09 Nov 2018 @ 1125 ie wc12h 35m
08 Nov 2018 @ 2250 ie wc6h 19m
08 Nov 2018 @ 1631 ie wc18h 55m
07 Nov 2018 @ 2136 ie wc6h 8m
07 Nov 2018 @ 1528 ie wc5h 42m
07 Nov 2018 @ 0946 ie wc1d 2m
06 Nov 2018 @ 0944 ie wc16h 56m
05 Nov 2018 @ 1648 ie wc6h 9m
05 Nov 2018 @ 1039 ie18h 50m
04 Nov 2018 @ 1549 ie wc6h 8m
04 Nov 2018 @ 094117h 25m
03 Nov 2018 @ 17166h 10m
03 Nov 2018 @ 110616h 27m
02 Nov 2018 @ 1839 ns wc6h 7m
02 Nov 2018 @ 123217h 54m
01 Nov 2018 @ 1838 ie wc6h 8m
01 Nov 2018 @ 12301d 6h 52m

Interval Statistics

Interval Count100
Min5h 24m
Max1d 6h 52m
Mean10h 41m
Median6h 18m

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 --- 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.
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 --- 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
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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