Last Known Eruption
3y 149d 12h 9m ago

Latest Eruptions

Eruption DurationInterval
21 Oct 2020 @ 0954 wc15h 29m
20 Oct 2020 @ 182514m
20 Oct 2020 @ 181126m
20 Oct 2020 @ 17455h 39m
20 Oct 2020 @ 1206 wc56m
20 Oct 2020 @ 1110 wc1d 2h 45m
19 Oct 2020 @ 0825 wc15h 54m
18 Oct 2020 @ 1631 wc5h 5m
18 Oct 2020 @ 1126 wc19h 15m
17 Oct 2020 @ 1611 wc59m
17 Oct 2020 @ 1512 wc4h 6m
17 Oct 2020 @ 1106 wc9s 13m
17 Oct 2020 @ 1053 wc42m
17 Oct 2020 @ 1011 wc2h 13m
17 Oct 2020 @ 0758 wc35m
17 Oct 2020 @ 0723 wc15h 37m
16 Oct 2020 @ 1546 wc1d 3h 48m
15 Oct 2020 @ 1158 wc7s 1h 27m
15 Oct 2020 @ 103115m
15 Oct 2020 @ 101618h 54m
14 Oct 2020 @ 1522 wc13s 4h 42m
14 Oct 2020 @ 1040 wc13s 53m
14 Oct 2020 @ 0947 wc10s 1h 57m
14 Oct 2020 @ 0750 wc1d 15h 17m
12 Oct 2020 @ 1633 wc1h 31m
12 Oct 2020 @ 1502 wc6h 27m
12 Oct 2020 @ 0835 wc19h 7m
11 Oct 2020 @ 1328 wc1h 32m
11 Oct 2020 @ 1156 wc18h 59m
10 Oct 2020 @ 1657 wc10s 1h 24m
10 Oct 2020 @ 1533 wc13m
10 Oct 2020 @ 1520 wc9s 2h 4m
10 Oct 2020 @ 1316 wc1h 3m
10 Oct 2020 @ 1213 wc7s 12m
10 Oct 2020 @ 1201 wc10s 12m
10 Oct 2020 @ 1149 wc13s 49m
10 Oct 2020 @ 1100 wc58m
10 Oct 2020 @ 1002 wc14s 1h 17m
10 Oct 2020 @ 0845 wc15m
10 Oct 2020 @ 0830 wc15m
10 Oct 2020 @ 0815 wc13h 22m
09 Oct 2020 @ 1853 wc11s 23m
09 Oct 2020 @ 1830 wc12s 2h 2m
09 Oct 2020 @ 1628 wc11s 19m
09 Oct 2020 @ 16091h 49m
09 Oct 2020 @ 142022m
09 Oct 2020 @ 1358 wc12m
09 Oct 2020 @ 134627m
09 Oct 2020 @ 131914m
09 Oct 2020 @ 130514m
09 Oct 2020 @ 125112m
09 Oct 2020 @ 123912m
09 Oct 2020 @ 122737m
09 Oct 2020 @ 1150 wc10s 11m
09 Oct 2020 @ 1139 wc14s 24m
09 Oct 2020 @ 1115 wc12s 12m
09 Oct 2020 @ 1103 wc13s 11m
09 Oct 2020 @ 1052 wc12s 35m
09 Oct 2020 @ 1017 wc15h 28m
08 Oct 2020 @ 1849 wc13m
08 Oct 2020 @ 1836 wc11m
08 Oct 2020 @ 1825 wc2h 5m
08 Oct 2020 @ 1620 wc5s 12m
08 Oct 2020 @ 160821m
08 Oct 2020 @ 15472h 5m
08 Oct 2020 @ 1342 wc10s 1h 43m
08 Oct 2020 @ 1159 wc11s 40m
08 Oct 2020 @ 1119 wc12s 1h 25m
08 Oct 2020 @ 0954 wc9s 36m
08 Oct 2020 @ 0918 wc23m
08 Oct 2020 @ 085510m
08 Oct 2020 @ 084550m
08 Oct 2020 @ 0755 wc12h 38m
07 Oct 2020 @ 1917 wc12m
07 Oct 2020 @ 1905 wc11m
07 Oct 2020 @ 1854 wc12m
07 Oct 2020 @ 184212m
07 Oct 2020 @ 183022m
07 Oct 2020 @ 1808 wc13m
07 Oct 2020 @ 1755 wc12m
07 Oct 2020 @ 1743 wc40m
07 Oct 2020 @ 1703 wc3h 5m
07 Oct 2020 @ 1358 wc12s 1h 4m
07 Oct 2020 @ 1254 wc14m
07 Oct 2020 @ 1240 wc11s 26m
07 Oct 2020 @ 1214 wc12s 2h 41m
07 Oct 2020 @ 0933 ns26m
07 Oct 2020 @ 0907 wc1h 48m
07 Oct 2020 @ 0719 wc12h 8m
06 Oct 2020 @ 1911 wc19m
06 Oct 2020 @ 1852 wc12m
06 Oct 2020 @ 1840 wc1h 42m
06 Oct 2020 @ 1658 wc13m
06 Oct 2020 @ 1645 wc6s 1h 7m
06 Oct 2020 @ 1538 wc14s 3h 24m
06 Oct 2020 @ 1214 wc11s 15m
06 Oct 2020 @ 1159 wc14s 17m
06 Oct 2020 @ 1142 wc12s 51m
06 Oct 2020 @ 1051 wc11s 13m
06 Oct 2020 @ 1038 wc1h 6m

Interval Statistics

Interval Count100
Min10m
Max1d 15h 17m
Mean3h 36m
Median41m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
27143 21 Jul 2023 @ 1729 --- steve Mugwump is light blue and looks hot.
26596 22 Jun 2023 @ 1509 --- steve The vent for Mugwump is blue and free of algae.
21059 23 Apr 2022 @ 1730 --- DanS Orange microbial growth around vent.
20211 30 Oct 2021 @ 0849 --- Brando Gently boiling poolwide
17198 26 May 2021 @ 1827 --- JSJ Mugwump Geyser's vent area is somewhat greenish colored. No activity observed from 1800 to 1900. No evidence of recent major overflow or wash events.
16918 25 Apr 2021 @ 1205 25 Apr 2021 @ 1432 DanS Not erupting in this time span. Vent area is hot and blue, not orange so believe eruption is possible.
15997 06 Sep 2020 @ 1400 --- CraigC runoff channels have been dry for several days. Three Sisters appears to be dropping. Today looks lower level than yesterday. No Mugwump eruptions or pushes have been observed for several days. Three Crater continues to erupt, and MYR1 has boils and one small eruption was observed.
15915 31 Aug 2020 @ 1244 --- CraigC push, no eruption
15901 30 Aug 2020 @ 1817 --- CraigC light push, no eruption
15898 30 Aug 2020 @ 1133 --- CraigC push, no eruption
15917 30 Aug 2020 @ 1004 --- Tara push, no eruption
15916 30 Aug 2020 @ 0938 --- Tara push, no eruption
15785 29 Aug 2020 @ 1341 --- CraigC push, no eruption
15784 29 Aug 2020 @ 1235 --- CraigC push, no eruption
15782 29 Aug 2020 @ 1216 --- CraigC push, no eruption
15781 29 Aug 2020 @ 1158 --- CraigC strong push, no eruption
15780 29 Aug 2020 @ 1137 --- CraigC strong push, no eruption
15774 28 Aug 2020 @ 1935 --- CraigC push, no eruption
15771 28 Aug 2020 @ 1737 --- CraigC push, no eruption
15766 28 Aug 2020 @ 1315 --- CraigC push, no eruption
15609 16 Aug 2020 @ 1809 --- CraigC large push, no eruption
15606 16 Aug 2020 @ 1703 --- CraigC push, no eruption
15599 16 Aug 2020 @ 1210 --- CraigC push, no eruption
15589 16 Aug 2020 @ 0712 --- CraigC pooling near pullout is high, about 6 feet south of Dangerous Ground sign
15579 15 Aug 2020 @ 1326 --- CraigC push, no eruption
15578 15 Aug 2020 @ 1312 --- CraigC strong push, no eruption
15559 13 Aug 2020 @ 1812 --- minissa Push but no eruption
15537 12 Aug 2020 @ 1332 --- CraigC very small surge
15536 12 Aug 2020 @ 1311 --- CraigC push, no eruption
15535 12 Aug 2020 @ 1254 --- CraigC push, no eruption
15531 12 Aug 2020 @ 0707 --- CraigC pooling next to the pullout is very large this morning, which leads me to believe there has been strong eruptions from the features at Three Sisters
15510 11 Aug 2020 @ 1125 --- CraigC push, no eruption
15509 11 Aug 2020 @ 1036 --- CraigC push, no eruption
15508 11 Aug 2020 @ 1020 --- CraigC push, no eruption
15501 10 Aug 2020 @ 1651 --- CraigC push, no eruption
15495 10 Aug 2020 @ 1635 --- CraigC push, no eruption
15494 10 Aug 2020 @ 1619 --- CraigC push, no eruption
15493 10 Aug 2020 @ 1600 --- CraigC Mugwump began its pre-eruptive pulsing, surging and boiling, at about 5 seconds in Three Crater began a cycle of bursts, then Mugwump erupted. Three Crater continued with bursts. This is the first time i have observed an overlap such as this.
15491 10 Aug 2020 @ 1523 --- CraigC push, no eruption
15489 10 Aug 2020 @ 1352 --- CraigC push, no eruption
15487 10 Aug 2020 @ 1127 --- CraigC push, no eruption
15485 10 Aug 2020 @ 1040 --- CraigC push, no eruption
15452 07 Aug 2020 @ 1837 --- CraigC push, no eruption
15449 07 Aug 2020 @ 1820 --- CraigC push, no eruption
15448 07 Aug 2020 @ 1748 --- CraigC push, no eruption
15442 07 Aug 2020 @ 1540 --- CraigC push, no eruption
15440 07 Aug 2020 @ 1524 --- CraigC push, no eruption
15439 07 Aug 2020 @ 1509 --- CraigC push, no eruption
15438 07 Aug 2020 @ 1451 --- CraigC push, no eruption
15436 07 Aug 2020 @ 1432 --- CraigC push, no eruption
15434 07 Aug 2020 @ 1416 --- CraigC push, no eruption
15429 07 Aug 2020 @ 1223 --- CraigC push, no eruption
15428 07 Aug 2020 @ 1208 --- CraigC push, no eruption
15427 07 Aug 2020 @ 1151 --- CraigC BIG push, no eruption
15426 07 Aug 2020 @ 1136 --- CraigC push, no eruption
15425 07 Aug 2020 @ 1114 --- CraigC push, no eruption
15408 06 Aug 2020 @ 1652 --- CraigC push, no eruption
15407 06 Aug 2020 @ 1637 --- CraigC push, no eruption
15406 06 Aug 2020 @ 1621 --- CraigC push, no eruption
15402 06 Aug 2020 @ 1101 --- CraigC good push, no eruption
15392 05 Aug 2020 @ 1721 --- CraigC push, no eruption
15391 05 Aug 2020 @ 1650 --- CraigC push, no eruption
15390 05 Aug 2020 @ 1634 --- CraigC push, no eruption
15386 05 Aug 2020 @ 1617 --- CraigC push, no eruption
15385 05 Aug 2020 @ 1605 --- CraigC possible push, hard to tell for sure with wind gusts
15383 05 Aug 2020 @ 1538 --- CraigC push, no eruption
15382 05 Aug 2020 @ 1525 --- CraigC push, no eruption
15164 03 Aug 2020 @ 1102 --- TinaN Heavy. surges for a. few seconds, but no splashing
15082 22 Jul 2020 @ 1504 --- CraigC push, no eruption
15081 22 Jul 2020 @ 1450 --- CraigC very light push, no eruption
15080 22 Jul 2020 @ 1434 --- CraigC big surge and boil, no eruption
15078 22 Jul 2020 @ 1249 --- CraigC big boil and push, no eruption
15076 22 Jul 2020 @ 1150 --- CraigC push, no eruption
15074 22 Jul 2020 @ 1053 --- CraigC push, no eruption
15069 21 Jul 2020 @ 1523 --- CraigC very weak push, no eruption
15068 21 Jul 2020 @ 1509 --- CraigC push, no eruption
15067 21 Jul 2020 @ 1442 --- Yates Surge with bubbles no eruption, bubbling on UNNG-MYR-1
15024 17 Jul 2020 @ 1432 --- CraigC push, no eruption
15023 17 Jul 2020 @ 1418 --- CraigC huge push, no eruption
15022 17 Jul 2020 @ 1331 --- CraigC push, no eruption
15021 17 Jul 2020 @ 1241 --- CraigC push, no start
15018 17 Jul 2020 @ 1209 --- CraigC push, no start
15008 16 Jul 2020 @ 1824 --- CraigC push, no eruption
15007 16 Jul 2020 @ 1812 --- CraigC push, no eruption
15006 16 Jul 2020 @ 1735 --- CraigC push, no eruption
15004 16 Jul 2020 @ 1603 --- CraigC push, no eruption
15003 16 Jul 2020 @ 1549 --- CraigC strong push, no eruption
15002 16 Jul 2020 @ 1536 --- CraigC push, no eruption
15001 16 Jul 2020 @ 1508 --- CraigC push, no eruption
15000 16 Jul 2020 @ 1420 --- CraigC push, no eruption
14999 16 Jul 2020 @ 1352 --- CraigC push, no eruption
14998 16 Jul 2020 @ 1339 --- CraigC push, no eruption
14997 16 Jul 2020 @ 1326 --- CraigC strong push, no eruption
14990 15 Jul 2020 @ 1651 --- CraigC push, no eruption
14989 15 Jul 2020 @ 1340 --- CraigC push, no eruption
14988 15 Jul 2020 @ 1300 --- CraigC push, no eruption
14980 14 Jul 2020 @ 1406 --- CraigC It seemed like Mugwump had stalled out after a sequence of Three Crater bursts. Then it seemed like a new sequence of Three Crater was starting again when Mugwump erupted after only a single burst from Three Crater. No more bursts from Three Crater until 1413.
14961 12 Jul 2020 @ 1309 --- CraigC I observed a boil from where Mugwump erupts after a series of Three Crater bursts. I saw it on the previous 2 series of Three Crater bursts but didn't log the time, as i was waiting/hoping for eruptions.
14754 28 Jun 2020 @ 0915 28 Jun 2020 @ 1005 LynnS Mugwump did not erupt during this time.
14234 23 May 2020 @ 1701 --- Mkeller No eruptions 1548-1640
EntrySourceLinkComment
04 Jul 2016 @ 1951 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM#t=16m46s Clip 27 of this video compilation (time stamp 16:46 to 17:01) shows Mugwump Geyser's 7:51 to 7:52 PM eruption (2nd burst only) on 4 July 2016. Clips 28 to 31 (time stamp 17:02 to the end) show other eruptions that evening.
10 Jun 2016 @ 1831 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM#t=13m35s Clip 22 of this video compilation (time stamp 13:35 to 13:52) shows Mugwump Geyser's 6:31 to 6:32 PM eruption (2nd burst only) on 10 June 2016. Clips 23 to 26 (time stamp 13:53 to 16:45) show other eruptions that evening.
09 Jun 2016 @ 1921 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM#t=11m44s Clip 18 of this video compilation (time stamp 11:44 to 12:32) shows Mugwump Geyser's 7:21 to 7:22 PM eruption on 9 June 2016. Clips 17 and 19 to 21 (time stamps 11:29-11:43 & 12:33-13:34) show other eruptions that evening.
08 Jun 2016 @ 1815 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM#t=5m19s Clip 9 of this video compilation (time stamp 5:19 to 5:40) shows Mugwump Geyser's 6:15 to 6:16 PM eruption (2nd burst only) on 8 June 2016. Clips 10 to 16 (time stamp 5:41 to 11:28) show other eruptions that evening.
07 Jun 2016 @ 1817 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM#t=0m43s Clip 3 of this video compilation (time stamp 0:43 to 0:59) shows Mugwump Geyser's 6:17 to 6:18 PM eruption (2nd burst only) on 7 June 2016. Clips 4 to 8 (time stamp 1:00 to 5:18) show other eruptions that evening.
02 Jun 2016 @ 1052 JSJ https://www.youtube.com/watch?v=zrhpagf2rQM Clip 1 of this video compilation (beginning to time stamp 0:22) shows Mugwump Geyser's 10:52 to 10:54 AM eruption (1st burst only) on 2 June 2016. Clip 2 (time stamp 0:23 to 0:43) shows another eruption that day.
17 Oct 2020 @ 1011 Betty https://chat.geysertimes.org/dvr/ugb/download.php?f=ugbWebcamTime_10172020_101349.mp4 Mugwump
14 Oct 2020 @ 0750 JoeN https://youtu.be/5mtB8GGXDZM mugwump video
07 Oct 2020 @ 1254 JoeN https://youtu.be/Ke5YtthApAk Mugwump video
04 Oct 2020 @ 0749 JoeN https://youtu.be/Rg9NdrFErC8 Mugwump Video
02 Oct 2020 @ 1346 JoeN https://youtu.be/HcNyk--umXE video
02 Oct 2020 @ 1312 JoeN https://youtu.be/wFzVhk0S5-s Mugwump video
28 Aug 2020 @ 1248 JoeN https://youtu.be/jH6P9iFDkC4 Mugwump video
28 Aug 2020 @ 1213 JoeN https://youtu.be/GBtIaUjJVd8 Mugwump video
22 Aug 2020 @ 1124 JoeN https://youtu.be/qGLVwrDYjWA mugwump seen on nps cam
22 Aug 2020 @ 1035 JoeN https://youtu.be/I6xgqVLvaYE as seen on nps cam
17 Aug 2020 @ 0953 JoeN https://youtu.be/YpFK7buusrc Mugwump video
12 Aug 2020 @ 0623 JoeN https://youtu.be/IhtxhlbqCBE mugwump video
11 Aug 2020 @ 0927 JarnoO https://www.youtube.com/watch?v=Zb2SFtXUAfo As seen from the webcam, by JoeN.
10 Aug 2020 @ 0934 JarnoO https://www.youtube.com/watch?v=W0s5ewC7wiE As seen from the webcam, by JoeN.
Baseline does not exist.