Last Known Eruption
5y 42d 7h 40m ago

Latest Eruptions

Eruption DurationInterval
06 Feb 2019 @ 1341 ns23h 27m
05 Feb 2019 @ 14144m 1h 3m
05 Feb 2019 @ 13116m 7d 23h 25m
28 Jan 2019 @ 13461.5m 1h 32m
28 Jan 2019 @ 1214 A~3m 30s 1d 20h 13m
26 Jan 2019 @ 16015m 30s 3d 2h 30m
23 Jan 2019 @ 1331~5.5m 2h 33m
23 Jan 2019 @ 1058 ie17h 34m
22 Jan 2019 @ 17245m 4h 54m
22 Jan 2019 @ 12304m 20s 27d 4h 25m
26 Dec 2018 @ 0805 ie16h 29m
25 Dec 2018 @ 153651d 7h 58m
04 Nov 2018 @ 07382m 20h 53m
03 Nov 2018 @ 1145 A~5m 14d 22h 25m
19 Oct 2018 @ 13204m 2d 19h 20m
16 Oct 2018 @ 1800 A5d 5h 55m
11 Oct 2018 @ 1204:523h 33m 12s
11 Oct 2018 @ 0831:40 ie16h 31m 4s
10 Oct 2018 @ 1600:367m 55s 3h 56m
10 Oct 2018 @ 12048m 35s 21h 2m
09 Oct 2018 @ 1501:459m 10s 4h 11m 33s
09 Oct 2018 @ 1050:128m 1s 17h 6m
08 Oct 2018 @ 1744 ie4h 31m
08 Oct 2018 @ 131314m 33s 2h 47m
08 Oct 2018 @ 10263m 44s 15h 47m
07 Oct 2018 @ 1838:2114m 0s 1d 2h 12m
06 Oct 2018 @ 16261m 54s 3h 1m
06 Oct 2018 @ 13254m 28s 17h 57m
05 Oct 2018 @ 1928 ie4h 58m
05 Oct 2018 @ 14308m 34s 4h 33m
05 Oct 2018 @ 09575m 28s 1d 4h 10m
04 Oct 2018 @ 05473m 5s 10h 26m
03 Oct 2018 @ 19215m 35s 2h 52m
03 Oct 2018 @ 1629 ie3h 45m
03 Oct 2018 @ 12447m 58s 6h 50m
03 Oct 2018 @ 05547m 44s 6h 55m
02 Oct 2018 @ 22597m 4s 3h 14m
02 Oct 2018 @ 19452m 50s 3h 35m
02 Oct 2018 @ 16104h 48m
02 Oct 2018 @ 1122 ie4h 35m
02 Oct 2018 @ 06476m 16s 16h 29m
01 Oct 2018 @ 14187m 13s 3h 23m
01 Oct 2018 @ 1055 A~2m 2h 16m
01 Oct 2018 @ 08398m 9s 21h 8m
30 Sep 2018 @ 11317m 27s 18h 36m
29 Sep 2018 @ 1655~7m 6h 41m
29 Sep 2018 @ 10147m 36s 13h 1m
28 Sep 2018 @ 2113~6m 1h 45m
28 Sep 2018 @ 19283 to 4 min.1h 15m
28 Sep 2018 @ 18131m 40s 5h 14m
28 Sep 2018 @ 125914m 44s 5h 25m
28 Sep 2018 @ 07345m 40s 16h 3m
27 Sep 2018 @ 15311h 20m
27 Sep 2018 @ 14113h 35m
27 Sep 2018 @ 10366m 4s 2h 51m
27 Sep 2018 @ 07452m 27s 15h 25m
26 Sep 2018 @ 16206m 2s 5h 24m
26 Sep 2018 @ 10562m 17h 14m
25 Sep 2018 @ 1742~1.5m 8h 12m
25 Sep 2018 @ 0930 A2d 10h 43m
22 Sep 2018 @ 2247 maj7.5m 13h 25m
22 Sep 2018 @ 092212m 20h 13m
21 Sep 2018 @ 13092m 24s 2h 3m
21 Sep 2018 @ 11061m 36s 18h 30m
20 Sep 2018 @ 16362m 2d 23h 41m
17 Sep 2018 @ 1655 maj4h 25m
17 Sep 2018 @ 1230 A~4m 3h 30m
17 Sep 2018 @ 0900 A~4m 7h 23m
17 Sep 2018 @ 0136:5714m 23s 4h 33m 52s
16 Sep 2018 @ 2103:054m 22s 5h 3m 31s
16 Sep 2018 @ 1559:346m 4s 6h 17m
16 Sep 2018 @ 09427m 3h 26m
16 Sep 2018 @ 06163m 55s 3h 29m
16 Sep 2018 @ 0246:537m 54s 7h 34m
15 Sep 2018 @ 19125h 57m
15 Sep 2018 @ 13155h 18m
15 Sep 2018 @ 07574m 5h 57m
15 Sep 2018 @ 020014m 16s 5h 30m
14 Sep 2018 @ 2029:503m 57s 3h 39m
14 Sep 2018 @ 16505m 50s 6h 11m
14 Sep 2018 @ 103914m 6s 10h 18m
14 Sep 2018 @ 00217m 16s 4h 16m
13 Sep 2018 @ 20051m 30s 2h 21m
13 Sep 2018 @ 1743:214m 1s 4h 36m
13 Sep 2018 @ 13078m 34s 4h 27m
13 Sep 2018 @ 08402m 29s 10h 28m
12 Sep 2018 @ 22121m 14s 4h 22m
12 Sep 2018 @ 17503m 56s 7h 23m
12 Sep 2018 @ 10277m 15s 1h 46m
12 Sep 2018 @ 08411m 17s 12h 59m
11 Sep 2018 @ 19422m 6s 2h 54m
11 Sep 2018 @ 16481m 57s 3h 18m
11 Sep 2018 @ 13301m 46s 2d 21h 15m
08 Sep 2018 @ 16159m 33s 3h 24m
08 Sep 2018 @ 12513m 6s 5h 27m
08 Sep 2018 @ 07245m 50s 7h 49m
07 Sep 2018 @ 23357m 37s 6h 40m
07 Sep 2018 @ 1655 A2h 7m
07 Sep 2018 @ 14481m 12s 3h 10m
07 Sep 2018 @ 11386m 25s 1h 58m

Interval Statistics

Interval Count100
Min1h 3m
Max51d 7h 58m
Mean1d 12h 31m
Median5h 28m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
10920 27 Jan 2019 @ 0000 --- Graham Had a strong hot period overnight and washed the last snow off India. Do not believe Giant erupted based on some snow left on the edge of the platform in front of Giant.
10910 25 Jan 2019 @ 0000 --- Graham looks like it has had a strong hot period in last 2 days. old snow mostly cleared from India. Observed 1142. entered as 0000.
10883 21 Jan 2019 @ 1154 --- Graham Full bathtub. Bijou paused over 4 min.
10789 25 Dec 2018 @ 1118 25 Dec 2018 @ 1138 Janet Jones Arrived to find Bijou off. Not much to report from this - no hot period happened. Catfish gave a couple of splashes, steam in sw vents, Turtle and Feather but the only water seen was bubbling in Emerald. No water rose into view in Mastiff. No vertical jetting seen in Giant. I left the area before Bijou came back on. Oblong also looked like there were fewer microbes in the overflow channels.
10709 03 Nov 2018 @ 1408 --- jkgood Bijou off for a few minutes and mastiff within a foot of overflow
10611 15 Oct 2018 @ 1020 --- Tara Platform clear of snow and wet with puddles. India partially wet. Bijou on strong.
10573 06 Oct 2018 @ 1128 --- Tara Bathtub plus SW Vents, Bijou pause d~6m.
10571 06 Oct 2018 @ 1012 --- Tara Bathtub plus SW Vents, Bijou pause d~7m.
10545 04 Oct 2018 @ 0834 04 Oct 2018 @ 0841 William Possible missed Giant Hot Period? When I arrived Bijou on, water level low in Mastiff but seeing surges of 1’-4’ out of the back. Feather splashing to 4”-6” and Emerald to 2”-3”. No other vents active. Saw two angled splashes over the right side of Giant cone.
10515 01 Oct 2018 @ 1522 --- Tara Bijou pause d~4m, bathtub with SW Vents sputtering.
10504 30 Sep 2018 @ 0835 --- Tara GIP low, Bijou on strong, Mastiff depth charging, area around SW Vents wet and steaming slightly, India dry. Probably a bathtub plus or weak hot period 0800-0820.
10486 27 Sep 2018 @ 1947 --- Tara Bathtub, Bijou pause d~6m, SW Vents spitting, Feather had a few pushes of overflow.
10469 26 Sep 2018 @ 1857 --- Graham Bathtub
10467 26 Sep 2018 @ 1728 --- Graham SW Vents seen ie, so assume a bathtub.
10464 26 Sep 2018 @ 1416 --- Graham Bathtub, Mastiff mid height. Bijou off for about 5.5min.
10460 26 Sep 2018 @ 0929 --- Graham Bathtub 4m with high water in Mastiff.
10458 26 Sep 2018 @ 0800 --- SteveO 4 minute Bijou pause, water level in Mastiff just visible for 1 1/2 minutes, SW vents sputtered for just a little bit - footbath.
10456 26 Sep 2018 @ 0655 --- SteveO 5 minute Bijou pause, Mastiff to 3 to 5 inches below overflow, SW vent on - bathtub +.
10427 25 Sep 2018 @ 0808 --- SteveO Bijou paused 4m52s, water level Mastiff up to about 4" below overflow - bathtub. SW vents only sputtered for a few seconds
10348 22 Sep 2018 @ 1758 --- Graham Bathtub plus SW vents. Bijou off 5m10s
10335 21 Sep 2018 @ 1945 --- Tara Bathtub plus, pause d~5m. SW Vents on and water in Feather.
10332 21 Sep 2018 @ 1856 --- Tara Bathtub, pause d~5m. SW Vents spitting, no other water on platform.
10328 21 Sep 2018 @ 1640 --- Tara Bathtub, pause d=5m45s. SW Vents spitting, no other vents had water.
10324 21 Sep 2018 @ 1430 --- Tara Bathtub plus, Bijou pause d~4m, SW Vents on.
10318 21 Sep 2018 @ 0937 --- whoppe bathtub,southwest vents, duration 5m
10310 20 Sep 2018 @ 1804 --- Graham Bathtub plus SW vents
10270 17 Sep 2018 @ 1601 --- Brian Footbath.
10261 16 Sep 2018 @ 1400 --- Brian Footbath 6m pause
10215 15 Sep 2018 @ 1620 --- Brian Riding past on bike path, saw Bijou off and SW Vents on. Bijou on and vents off before I got there. None of visitors in the cage had seen anything. Likely a bathtub(?)
10209 15 Sep 2018 @ 1011 --- Brian Long bathtub, a couple of small blips from SW Vents, one boil in Mastiff to about a foot. Bijou pause was 7m 40s
10199 14 Sep 2018 @ 1514 --- Kyle Bijou pause, footbath. with very few blips from SW vents. 4m 56s
10189 14 Sep 2018 @ 0751 --- Brian Footbath, SW vents briefly sputtered
10188 13 Sep 2018 @ 2222 --- Tara pause, d=4m04s. Footbath.
10174 13 Sep 2018 @ 0710 --- Kyle platform relatively dry. no pools on w side of SW vents. India dry. Feather pool small.
10143 11 Sep 2018 @ 0735 --- Kyle just missed a HP within the last 20 min. The platform is steaming. fresh pools around SW vents feather, Cave and Mastiff There is water streaming off platform from Mastiff. Mastiff is depth charging. cave is bubbling. India is dry
10104 08 Sep 2018 @ 1356 --- Kyle Bijou pause. D= approx 4m Bathtub + (with SW Vents)
10102 08 Sep 2018 @ 1136 --- Graham Bathtub, Bijou pause D=4m49s per HK Bijou eruption report.
10094 08 Sep 2018 @ 0530 --- Graham Bathtub + SW Vents, Bijou pause 6m42s per HK Bijou eruption post.
10089 07 Sep 2018 @ 2051 --- Tara Bathtub plus, pause d=6m28s. Water in Mastiff, SW Vents on, water in Feather and briefly in Cave before Mastiff dropped and Bijou restarted.
10083 07 Sep 2018 @ 0841 --- Kyle Bijou pause D=5min 12 s footbath, no vent activity
10081 07 Sep 2018 @ 0450 --- Kyle possible recent GHP with good Mastiff Ovfl. India wet. catch basins and runoff channels full.
10065 06 Sep 2018 @ 1232 --- Kyle Bijou pause.D= approximately 3.5 min bathtub. SW vents spitting.
10062 06 Sep 2018 @ 1125 --- Kyle bijou pause D=6m 6s Bathtub with SW vents. Feather ovfl, Post hole bubbled
10045 05 Sep 2018 @ 1853 --- Kyle pause, bathtub with SW vents D= 6m 2s. approximately 15 m post Grotto
10042 05 Sep 2018 @ 1057 --- Graham Bijou pause d=6m21s with bathtub + SW Vents per HK Bijou eruption report.
10038 04 Sep 2018 @ 2005 --- Kyle bijou pause, footbath, no vents, D=5m 29s
10031 04 Sep 2018 @ 1853 --- Kyle bijou pause, bathtub with SW vents D=6m 2s
10034 04 Sep 2018 @ 1734 --- Graham Bijou pause duration 5m53s and Bathtub +. "Pause, bathtub, SW Vents" per HK Bijou eruption post.
10023 04 Sep 2018 @ 1100 --- Graham Bijou pause 6,6s, bathtub + SW vents per HK Bijou eruption report.
9974 01 Sep 2018 @ 0602 --- Mkeller Almost 4 minute pause with SW Vents and brief overflow from Feather
9962 31 Aug 2018 @ 0538 --- Kyle moderately strong, SW vents before Feather. Mastiff OVfl enough to cover 80% of India.but no surging at all from Mastiff. Feather, Feather satellite, rust,cave Posthole and satellite weakly erupting after feather quit. Feather restart was weak.Weak surging in Giant but less than 1/3 the height of the cone
9947 30 Aug 2018 @ 0830 --- RMichaels Walked up to Bijou pause with SW Vents active. No visible water in Mastiff. Bijou back on 0832.
9930 29 Aug 2018 @ 1733 --- Micah Kipple Long Bijou pause with Southwest vents in full eruption. Bathtub +
9927 29 Aug 2018 @ 1420 --- Graham Bijou pause of 3m44s and bathtub with low water in Mastiff per HK Bijou entry.
9898 27 Aug 2018 @ 0810 --- Tara Approximate time, bathtub with SW Vents on.
9893 26 Aug 2018 @ 1124 --- B**2 As I passed oblong Feather was on with other features. Bijou came on at 11:24 & everything returned to status quo.
9882 25 Aug 2018 @ 2141 --- Tara Bathtub plus, SW Vents on strong and pulsing water in Feather plus water in Posthole. More details later.
9881 25 Aug 2018 @ 1840 --- Graham Bathtub. Pause 3m8s, low water visible in Mastiff per HK Bijou report
9880 25 Aug 2018 @ 1740 --- Tara Bathtub. Approximate time, radio calls broken.
9873 25 Aug 2018 @ 1146 --- Tara Bathtub, pause d~5m46s. 1146:34 Bijou off, 1147:36 water in Mastiff, 1148 SW Vents spitting, 1150:39 water in Feather, Mastiff to 1-2 inches below overflow, SW Vents got close to starting and Feather bubbled like it might start but water dropped in both, then dropped in Mastiff. 1152:20 Bijou on.
9867 25 Aug 2018 @ 1001 --- Tara Bathtub, pause d~5m44s. 1001:08 Bijou off, 1003:09 SW Vents spitting, Mastiff rose and held at 2-3 inches below overflow with several boils but SW Vents never did more than spit, no water in any other vents. 1006:26 Mastiff drop, 1006:52 Bijou on, 1008 bubbling in Emerald.
9874 25 Aug 2018 @ 0755 --- Micah Kipple Pause of 4m and Bathtub
9865 25 Aug 2018 @ 0720 --- Micah Kipple Hot period overnight was probably strong. Lots of water on India and in Mastiff's runoff channel, as well as in front of Giant and surrounding the platform vents.
9806 21 Aug 2018 @ 0931 --- Tara Bijou pause d~6m, bathtub plus. SW Vents on strong but no water in any other vents.
9805 21 Aug 2018 @ 0828 --- JimS Bathtub with 6 min Bijou pause.
9800 20 Aug 2018 @ 1830 --- Scott H no hot period during this time
9790 20 Aug 2018 @ 1505 --- Tara Areas around Feather and SW Vents dry, probably no hot periods since 1035.
9789 20 Aug 2018 @ 0815 --- Tara Platform wet but beginning to dry, guessing nothing has happened since at least 0645.
9782 19 Aug 2018 @ 1609 --- Micah Kipple Bathtub+, southwest vents in full eruption, Feather drooling, and H20 in Cave and PH
9777 19 Aug 2018 @ 1324 --- Tara 1324 Bijou pause in progress as viewed from the bike path. Mastiff back vent had left to right surging about 2 feet high and at 1326 the front vent surged 1-2 feet from below overflow and the SW Vents were in full eruption. 1327 Bijou back on. Strong bathtub plus, if Feather overflowed it did not put out much runoff.
9778 19 Aug 2018 @ 0855 --- Tara Platform wet, I would guess at least one hot period overnight but it was so cool and damp that there was very little evaporation until 1000. I am confident that there had not been a hot period since at least 0730.
9764 18 Aug 2018 @ 1038 --- Micah Kipple Bijou paused for 4m13s. Mastiff came up but was only barely visible. Southwest vents didn't even spit.
9751 17 Aug 2018 @ 1709 --- Tara Bathtub. Bijou off ~4.5m, SW Vents on and water in Feather.
9750 17 Aug 2018 @ 1615 --- Tara Bathtub. Bijou off 6m34s, SW Vents on and water in Feather.
9739 16 Aug 2018 @ 2105 --- Tara 2105 Bijou pause, 2108:08 SW Vents on strong, pushes of overflow from Feather. 2110:58 Bijou on. Bathtub plus.
9736 16 Aug 2018 @ 1820 --- Tara Water on platform in SW Vents puddles, in front of Feather, and in the Mastiff/Feather channel. There has been a hot period this afternoon but probably before 1650.
9678 12 Aug 2018 @ 1114 --- Graham 3min pause and footbath per his 0930-1445 Bijou comment.
9677 12 Aug 2018 @ 1030 --- Graham 3min pause and footbath per his 0930-1445 Bijou comment.
9654 11 Aug 2018 @ 2135 --- Tara No evidence of a recent hot period.
9583 09 Aug 2018 @ 1740 --- Brian 4m Bijou pause, bathtub, SW Vents sputtered
9582 09 Aug 2018 @ 1632 --- Brian 3m Bijou pause with Mastiff footbath. SW Vents sputtered, pool dropped
9581 09 Aug 2018 @ 1456 09 Aug 2018 @ 1504 Brian Bathtub, SW vents weak, slight push of water from Feather
9565 09 Aug 2018 @ 0607 --- SteveO 3m56s Bijou pause, footbath.
9546 08 Aug 2018 @ 0901 --- Micah Kipple Bathtub + 0900:13 bijou off. 0901:18 mastiff rise 0901:28 SWV blipping. 0902:05 SWV on. 0902:25 Water in Feather. 0904:27 Water in Cave 0904:34 Water in Posthole 0906:00 Mastiff drop. 0906:12 Bijou on. 0906:49 SWV off.
9550 08 Aug 2018 @ 0805 --- Micah Kipple 3m37s bathtub
9448 03 Aug 2018 @ 1912 --- Mkeller 6 minute pause, Mastiff a few inches below overflow, weak spots from SW Vents
9432 03 Aug 2018 @ 1340 03 Aug 2018 @ 1346 Brian Mastiff bathtub, SW vents
9354 31 Jul 2018 @ 2314 --- Tara Bijou off 4m52s, footbath. SW Vents gurgled but no water visible.
9352 31 Jul 2018 @ 1934 31 Jul 2018 @ 1936 TheHikingDude SW vents active, Bijou Pause seen from Grand at 19:34
9313 28 Jul 2018 @ 0907 --- Mkeller 4:43 pause, Mastiff 3/4 full and brief spits at SW Vents
9312 28 Jul 2018 @ 0730 --- Mkeller Based upon water around the SW Vents it looks like a smallish hot period took place in the past few hours. Feather area is dry.
9390 24 Jul 2018 @ 1241 --- Tara Bijou pause, footbath.
9277 23 Jul 2018 @ 1655 --- Polly Some event recently. Mastiff depth charging, wet spots by SW Vents, water around the edge of India, possible water to the right and in front of Feather.
9263 21 Jul 2018 @ 1511 --- Tara Bijou pause observed from Grand from at least 1511-1515. Areas of the platform damp at 1600, probably a short Feather-only hot period. No significant water around SW Vents.
9230 17 Jul 2018 @ 0728 --- Micah Kipple Bathtub 0728:46 Bijou Pause 0728:55 Mastiff rise. 0732:02 Mastiff drop. 0728:10 Bijou back on.
9229 17 Jul 2018 @ 0625 --- Micah Kipple Bathtub. 0625:40 Mastiff rise to about 6" within ovf. 0628:15 Mastiff drop and Bijou back on. Southwest vents gurgled loudly and may have blipped once or twice but never turned on and Feather never made an appearance.
9209 16 Jul 2018 @ 0759 --- rbush10 759.52 bijou off. 801.06 mastiff rise. 801.20 southwest vents on. 802.13 southwest vents erupt. 805.33 mastiff drop. 806.00 bijou on. Brief water appeared in feather
9218 16 Jul 2018 @ 0628 --- Micah Kipple 0628:14 bijou paused. 0629:00 mastiff rise and southwest vents on. 0630:36 southwest vents in full eruption. Mastiff sitting just below overflow. 0633:08 mastiff drop. 0633:45 bijou on. 0634:30 southwest vents off.
9197 15 Jul 2018 @ 0648 --- Mkeller Four minute pause, Mastiff briefly in view.
9194 15 Jul 2018 @ 0531 --- Mkeller 6 minute pause, Mastiff 3/4 full, spits from SW vents
EntrySourceLinkComment
18 Jul 2007 @ 0757 JSJ https://www.youtube.com/watch?v=vUII4yGTWJE Video by David Schwarz showing the 7:57 AM Giant Hot Period on 18 July 2007.
11 Aug 2018 @ 0932 JSJ https://www.youtube.com/watch?v=rwUOU9mOg10 Video by Micah Kipple of the 9:32 to 9:45 AM Giant Hot Period on 11 August 2018.
13 Aug 2018 @ 0038 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=11m05s Clips 41-42 of this video compilation (= time stamp 11:05 to the end) show Feather Vent erupting during the 12:38 to 12:50 AM Giant Hot Period on 13 August 2018 - this led to a Giant Geyser eruption.
10 Aug 2018 @ 1844 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=7m21s Clips 28-40 of this video compilation (= time stamp 7:21 to 11:05) show the Platform Vents erupting during the 6:44 to ~7:07 PM Giant Hot Period on 10 August 2018.
03 Aug 2018 @ 1636 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=6m06s Clips 24-27 of this video compilation (= time stamp 6:06 to 7:20) show Feather Vent & then Feather Satellite Vent erupting during the 4:36 to 4:39 PM Giant Hot Period on 3 August 2018.
02 Aug 2018 @ 1345 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=3m06s Clips 12-23 of this video compilation (= time stamp 3:06 to 6:05) show the Platform Vents erupting during the 1:45 to 2:01 PM Giant Hot Period on 2 August 2018.
02 Aug 2018 @ 1025 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=2m23s Clips 10-11 of this video compilation (= time stamp 2:23 to 3:06) show Feather Vent erupting during the 10:25 to 10:27 AM Giant Hot Period on 2 August 2018.
09 Jun 2018 @ 1305 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=1m23s Clips 4-9 of this video compilation (= time stamp 1:24 to 2:22) show the Platform Vents erupting during the 1:05 to 1:13 PM Giant Hot Period on 9 June 2018 - this led to a Giant Geyser eruption.
07 Jun 2018 @ 0802 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4#t=0m39s Clip 3 of this video compilation (= time stamp 0:39 to 1:23) shows Feather Vent erupting during the 8:02 to 8:03 AM Giant Hot Period on 7 June 2018.
05 Jun 2018 @ 1212 JSJ https://www.youtube.com/watch?v=T69MwrhbBM4 Clips 1-2 of this video compilation (= beginning to time stamp 0:38) show Feather Vent erupting during the 12:12 to 12:13 PM Giant Hot Period on 5 June 2018.
Baseline does not exist.