Last Known Eruption
8h 9m ago

Latest Eruptions

Eruption DurationInterval
02 Dec 2024 @ 1438 ie wc1d 0m
01 Dec 2024 @ 1438 wc1d 8m
30 Nov 2024 @ 1430 wc6h 2m
30 Nov 2024 @ 0828 ns wc18h 45m
29 Nov 2024 @ 1343 ie wc6h 30m
29 Nov 2024 @ 0713 ie wc1d 53m
28 Nov 2024 @ 0620 ie wc13h 4m
27 Nov 2024 @ 1716 wc6h 10m
27 Nov 2024 @ 1106 wc19h 16m
26 Nov 2024 @ 1550 wc6h 3m
26 Nov 2024 @ 0947 wc18h 6m
25 Nov 2024 @ 1541 ie wc1d 2h 16m
24 Nov 2024 @ 1325 ie wc1d 8h 8m
23 Nov 2024 @ 0517 wc11h 51m
22 Nov 2024 @ 1726 wc6h 1m
22 Nov 2024 @ 1125 ns wc6h 34m
22 Nov 2024 @ 0451 wc12h 59m
21 Nov 2024 @ 1552 ie wc1d 40m
20 Nov 2024 @ 1512 wc11h 56m
20 Nov 2024 @ 0316 wc12h 33m
19 Nov 2024 @ 1443 wc6h 31m
19 Nov 2024 @ 0812 wc6h 26m
19 Nov 2024 @ 0146 wc19h 40m
18 Nov 2024 @ 0606 wc6h 26m
17 Nov 2024 @ 2340 wc6h 31m
17 Nov 2024 @ 1709 wc6h 36m
17 Nov 2024 @ 1033 wc6h 39m
17 Nov 2024 @ 0354 wc6h 30m
16 Nov 2024 @ 2124 wc6h 32m
16 Nov 2024 @ 1452 wc6h 35m
16 Nov 2024 @ 0817 ie wc13h 15m
15 Nov 2024 @ 1902 wc6h 9m
15 Nov 2024 @ 1253 ie wc6h 22m
15 Nov 2024 @ 0631 wc6h 0m
15 Nov 2024 @ 0031 wc6h 27m
14 Nov 2024 @ 1804 wc6h 35m
14 Nov 2024 @ 1129 ie wc6h 38m
14 Nov 2024 @ 0451 wc6h 34m
13 Nov 2024 @ 2217 wc6h 36m
13 Nov 2024 @ 1541 wc6h 33m
13 Nov 2024 @ 0908 wc6h 40m
13 Nov 2024 @ 0228 wc6h 7m
12 Nov 2024 @ 2021 wc6h 15m
12 Nov 2024 @ 1406 wc6h 44m
12 Nov 2024 @ 0722 wc6h 41m
12 Nov 2024 @ 0041 wc6h 39m
11 Nov 2024 @ 1802 wc18h 58m
10 Nov 2024 @ 2304 wc6h 9m
10 Nov 2024 @ 1655 wc6h 28m
10 Nov 2024 @ 1027 ie wc19h 27m
09 Nov 2024 @ 1500 wc6h 39m
09 Nov 2024 @ 0821 ie wc13h 7m
08 Nov 2024 @ 1914 wc6h 36m
08 Nov 2024 @ 1238 wc5h 58m
08 Nov 2024 @ 0640 wc12h 39m
07 Nov 2024 @ 1801 wc6h 33m
07 Nov 2024 @ 1128 wc19h 59m
06 Nov 2024 @ 1529 wc6h 30m
06 Nov 2024 @ 0859 ie wc19h 42m
05 Nov 2024 @ 1317 wc4d 1m
01 Nov 2024 @ 1416 wc6h 39m
01 Nov 2024 @ 0737 wc12h 50m
31 Oct 2024 @ 1847 wc6h 23m
31 Oct 2024 @ 1224 ie wc19h 28m
30 Oct 2024 @ 1656 ie wc1d 3h 6m
29 Oct 2024 @ 1350 wc6h 33m
29 Oct 2024 @ 0717 ie wc13h 4m
28 Oct 2024 @ 1813 wc6h 21m
28 Oct 2024 @ 1152 ie wc18h 7m
27 Oct 2024 @ 1745 ie wc6h 39m
27 Oct 2024 @ 110619h 31m
26 Oct 2024 @ 1535 ie wc6h 14m
26 Oct 2024 @ 0921 wc18h 43m
25 Oct 2024 @ 1438 wc6h 33m
25 Oct 2024 @ 0805 ie wc13h 20m
24 Oct 2024 @ 1845 wc1d 1h 56m
23 Oct 2024 @ 1649 wc27m
23 Oct 2024 @ 1622 min2m 11s 5h 57m
23 Oct 2024 @ 1025 wc6h 3m
23 Oct 2024 @ 0422 wc11h 53m
22 Oct 2024 @ 1629 wc6h 49m
22 Oct 2024 @ 0940 wc6h 32m
22 Oct 2024 @ 0308 wc13h 2m
21 Oct 2024 @ 1406 wc5h 55m
21 Oct 2024 @ 0811 ie wc7h 11m
21 Oct 2024 @ 0100 wc6h 35m
20 Oct 2024 @ 1825 wc6h 14m
20 Oct 2024 @ 1211 ie wc6h 44m
20 Oct 2024 @ 0527 wc6h 38m
19 Oct 2024 @ 2249 wc6h 39m
19 Oct 2024 @ 1610 wc6h 55m
19 Oct 2024 @ 0915 A6h 29m
19 Oct 2024 @ 0246 wc6h 30m
18 Oct 2024 @ 2016 wc5h 30m
18 Oct 2024 @ 1446 wc6h 40m
18 Oct 2024 @ 0806 wc6h 41m
18 Oct 2024 @ 0125 wc6h 38m
17 Oct 2024 @ 1847 wc13h 2m
17 Oct 2024 @ 0545 A6h 29m
16 Oct 2024 @ 2316 wc6h 4m

Interval Statistics

Interval Count100
Min27m
Max4d 1m
Mean11h 15m
Median6h 38m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37694 23 Oct 2024 @ 1649 --- DaveM Riverside eruption was 1649wc. The 1622 event did not produce enough steam to be seen on the webcam. the 1649 steam cloud was quite large.
37461 09 Oct 2024 @ 1304 --- mrsteed overflow resumed
37455 09 Oct 2024 @ 1115 --- mrsteed In overflow. Overflow began around 11:10AM
37276 30 Sep 2024 @ 0856 --- ddshepard In overflow
37275 30 Sep 2024 @ 0815 --- ddshepard No overflow; Bison to left of geyser.
37229 28 Sep 2024 @ 1908 --- User34 Series of heavy splashing and jetting from left vent that lasted a little over a minute. Overflow ceased early on during this activity and then resumed at 1921 (p=13m)
37203 28 Sep 2024 @ 0948 --- Pholli still no overflow
37201 28 Sep 2024 @ 0829 --- ddshepard Not in overflow
37163 26 Sep 2024 @ 0845 --- Borg In moderate overflow
37161 26 Sep 2024 @ 0733 --- Borg Dry, no overflow
37152 25 Sep 2024 @ 1319 --- Negh Started boiling over
37134 24 Sep 2024 @ 1129 --- Borg Overflow began at 1129
36939 12 Sep 2024 @ 1630 12 Sep 2024 @ 1648 Borg In light overflow, began within last 15 min
36897 11 Sep 2024 @ 0839 --- Lizzysa In overflow
36814 06 Sep 2024 @ 1530 06 Sep 2024 @ 1600 Borg Overflow began at 345
36765 05 Sep 2024 @ 0905 --- CraigC started overflow within last 12 mins
36737 04 Sep 2024 @ 0817 --- CraigC started overflow
36724 03 Sep 2024 @ 1617 --- Borg Post-eruptive
36715 03 Sep 2024 @ 0923 --- CraigC in overflow already
36667 01 Sep 2024 @ 1234 --- SantaFe108 In overflow.
36655 31 Aug 2024 @ 0717 --- CraigC started overflow again after false start
36653 31 Aug 2024 @ 0700 --- CraigC false start, huge splashing from keyhole for 2 mins, then shut off
36651 31 Aug 2024 @ 0643 --- CraigC already in overflow
36623 30 Aug 2024 @ 1041 --- ge start of overflow
36609 29 Aug 2024 @ 0905 --- CraigC already in overflow
36607 29 Aug 2024 @ 0756 --- CraigC no overflow yet
36595 28 Aug 2024 @ 0631 --- CraigC already in overflow, very light
36564 27 Aug 2024 @ 0639 --- CraigC already in overflow
36551 26 Aug 2024 @ 0645 --- CraigC heavy steam plume, no overflow, probably post-eruptive
36524 24 Aug 2024 @ 0702 --- BrianR Already in overflow
36434 17 Aug 2024 @ 0947 --- RMichaels In overflow as I passed by.
36373 11 Aug 2024 @ 1327 --- mwolf in overflow
36363 11 Aug 2024 @ 0743 --- CraigC in overflow
36343 10 Aug 2024 @ 0646 --- CraigC in overflow
36342 10 Aug 2024 @ 0620 --- CraigC no overflow
36323 08 Aug 2024 @ 0944 --- CraigC in overflow
36322 08 Aug 2024 @ 0843 --- CraigC no overflow
36312 07 Aug 2024 @ 0752 --- CraigC in overflow
36311 07 Aug 2024 @ 0730 --- CraigC no overflow
36297 06 Aug 2024 @ 0617 --- CraigC started overflow within last 15 minutes
36289 05 Aug 2024 @ 1040 --- CraigC in overflow
36288 05 Aug 2024 @ 1024 --- CraigC no overflow yet
36242 03 Aug 2024 @ 0742 --- CraigC in overflow
36233 02 Aug 2024 @ 2015 --- bhoppe first boiling water visible in MV at 2008. crater is gradually filling with water again. overflow began again at 2015
36232 02 Aug 2024 @ 2002 --- bhoppe Riverside's "Old Main Vent" put out quite a bit of water nonstop for about 75 seconds and totally killed any overflow from the real Main Vent. Almost like it would during a real eruption of Riverside just without the actual eruption of Riverside. Will upload video within a couple days
36100 25 Jul 2024 @ 1054 --- EmilyW In overflow
36091 25 Jul 2024 @ 0643 --- PamM Not in overflow
36069 24 Jul 2024 @ 0931 --- Polly Already in overflow
36038 22 Jul 2024 @ 1923 --- sierrarx overflow stopped for ~30 seconds
36037 22 Jul 2024 @ 1909 22 Jul 2024 @ 1911 sierrarx splashes out of "back" of chair followed by a surge out of main vent. Overflow completely stopped for 2 minutes before restarting
35853 11 Jul 2024 @ 1433 --- Delta4Heavy85 Start of Overflow 1433, 1st Boils 1445
35697 03 Jul 2024 @ 0820 --- CraigC in light overflow
35672 02 Jul 2024 @ 0709 --- CraigC started overflow within 5 mins
35629 30 Jun 2024 @ 0637 --- CraigC in overflow
35616 29 Jun 2024 @ 1022 --- Dave from B Overflow started in the last 10 minutes
35585 27 Jun 2024 @ 0703 --- CraigC in overflow
35566 26 Jun 2024 @ 0608 --- CraigC in light overflow
35508 24 Jun 2024 @ 0834 --- CraigC in overflow
35443 22 Jun 2024 @ 1250 --- CraigC in overflow
35305 18 Jun 2024 @ 1240 --- aferrara Boiling, overflowing, weak and intermittent keyhole
35255 16 Jun 2024 @ 1547 --- Forestbewithyou In overflow and doing some small splashing at times but variable.
35161 13 Jun 2024 @ 0704 --- JimS Already in overflow at this time
35138 12 Jun 2024 @ 0721 --- Art Already in overflow
34988 08 Jun 2024 @ 1137 --- RMichaels Entered overflow at 1137.
34862 03 Jun 2024 @ 1223 --- Graham In overflow
34788 31 May 2024 @ 1609 --- Stephen_Gemar Post eruptive. Just steaming; no overflow or boiling.
34678 26 May 2024 @ 0637 --- CraigC in overflow
34650 24 May 2024 @ 0639 --- CraigC in good overflow
34565 15 May 2024 @ 1138 --- BrandonC In strong overflow
34499 10 May 2024 @ 1103 --- jkgood In overflow
34468 06 May 2024 @ 1724 --- Paul Wheeler Awesome
34309 22 Apr 2024 @ 1009 --- DanS In overflow
34196 15 Apr 2024 @ 1337 --- mhreed Overflow occurred within the last 15 minutes
34195 15 Apr 2024 @ 0855 --- mhreed In overflow, decent splashing in the pool
33891 20 Jan 2024 @ 0726 --- K.Cooper quiet
33788 14 Jan 2024 @ 1528 --- K.Cooper started overflow very recently
33786 14 Jan 2024 @ 1457 --- K.Cooper dry.
33025 18 Dec 2023 @ 1123 --- mhreed Empty. Erupted sometime before 1050.
33019 18 Dec 2023 @ 0918 --- mhvogel In overflow as I walked up.
32937 16 Dec 2023 @ 1015 --- aferrara Overflow, keyhole on
32847 15 Dec 2023 @ 0955 --- Pholli in overflow
29166 26 Oct 2023 @ 0942 --- nomadruss In overflow, not vigorous. I’d guess it will erupt around 10:30 so be watching for it.
29063 23 Oct 2023 @ 0951 23 Oct 2023 @ 0952 mhvogel Post eruptive. Heavy steam from both vents with no water.
28940 21 Oct 2023 @ 0750 --- User34 In overflow
28708 08 Oct 2023 @ 1523 --- Darcie In overflow
28526 28 Sep 2023 @ 0827 --- CraigC in overflow
28439 24 Sep 2023 @ 1025 --- CraigC started overflow within last 10 mins
28419 23 Sep 2023 @ 0830 --- CraigC started overflow within the last 10 mins
28361 20 Sep 2023 @ 1130 --- CraigC in overflow
28340 19 Sep 2023 @ 1015 --- MJL Overflow started 10:15.
28319 18 Sep 2023 @ 0850 --- Darcie Was not in overflow at 0845, but was at 0852
28221 11 Sep 2023 @ 1143 --- Darcie In overflow
28209 11 Sep 2023 @ 0915 --- Colin_W Quietly steaming. No overflow or splashing yet.
28193 10 Sep 2023 @ 1620 --- SantaFe108 In overflow.
28191 10 Sep 2023 @ 1546 --- Colin_W No overflow yet.
28115 08 Sep 2023 @ 1111 --- CP No steam phase.
28082 07 Sep 2023 @ 0938 --- CraigC overflow began
28050 06 Sep 2023 @ 0807 --- CraigC started overflow since check at 0800
27988 04 Sep 2023 @ 0655 --- SteveO In overflow.
27953 02 Sep 2023 @ 1630 --- SantaFe108 In overflow.
EntrySourceLinkComment
22 Jul 2020 @ 1328 JSJ https://www.youtube.com/watch?v=DD6WNhycERw 4 minute video of eruption.
17 Jul 2020 @ 0826 JSJ https://www.youtube.com/watch?v=4nQk8faybk8 Video of Riverside Geyser's morning eruption on 17 July 2020.
24 Oct 2019 @ 0825 JoeN https://youtu.be/9zd4Sn1BbIE r-side video
24 Oct 2019 @ 0825 JoeN https://i.imgur.com/yAycpXd.png picture
17 Sep 2019 @ 0807 JoeN https://i.imgur.com/qav7bhe.png one shot pic
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.