Last Known Eruption
74d 55m ago

Interval Statistics

Interval Count7
Min40m
Max43y 87d 16h 7m
Mean6y 112d 20h 5m
Median20h 42m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
19668 20 Sep 2021 @ 1050 --- Ben VL A smidge higher than earlier in the week and bubbling/boiling from one spot in the center of the pool.
18948 16 Aug 2021 @ 0809 --- Kat Infant steaming - appears to be boiling
18942 15 Aug 2021 @ 0925 --- Suzanne Pool is full and calm, not overflowing. Color is slightly opaque, greenish blue with many white scummy spots on the eastern side.
18937 14 Aug 2021 @ 2025 --- Suzanne Water level is about 6 inches below overflow. Water color is opaque, grayish green with many circular white scummy spots. Calm, no boiling.
18928 14 Aug 2021 @ 1335 --- Suzanne All boiling has ceased in Infant. Water is an opaque greenish gray color and the level is about 2 feet below overflow.
18918 13 Aug 2021 @ 1740 --- Suzanne Infant is continuing to drop with the water level about 6 inches below overflow. The entire top shelf with red rim is now exposed. Boiling 1 to 2 feet continues with occasional bursts to 3 feet. Boiling subsides after a few seconds but never completely stops. Water color is lighter than this morning, appearing more gray than brown.
18916 13 Aug 2021 @ 1200 --- Suzanne Infant has dropped further with the water level about 4 inches below overflow. The near-constant boiling continues: height of the boils 1 to 2 feet and occasionally reaching 3 feet. The water is a light chocolate color, not quite as dark as yesterday.
18904 12 Aug 2021 @ 1020 --- Suzanne Infant is continuing to slowly drop, now about 2 inches from overflow. A bit of the red inner rim is exposed. Water is chocolate brown. Boiling continues every few seconds up to 2 feet and occasionally 3 feet.
18902 12 Aug 2021 @ 0818 --- Kat Good boiling , very steamy
18900 12 Aug 2021 @ 0415 --- Suzanne about 1 inch below overflow and boiling up to 2 feet every few seconds, occasionally to 3 feet
18897 11 Aug 2021 @ 2300 --- William Was in a steady rolling boil to 2' (sometimes from 2 vents) by this time. water is muddy brown and pool in overflow.
18896 11 Aug 2021 @ 2055 --- Tara near overflow, muddy, periodic boils to a few inches to 1.5'. appears to have overflowed heavily enough to wet the area around it earlier.
18082 25 Jun 2021 @ 0850 --- K.Cooper 1 inch below overflow
16306 29 Sep 2020 @ 1408 --- Janet Jones muddy water
16169 18 Sep 2020 @ 1008 --- Graham High water level, seeped wet 3 feet toward Vault.
16122 14 Sep 2020 @ 0744 --- Graham Full snd seeping overflow. Brown color with scum on the surface.
16107 13 Sep 2020 @ 1323 --- Graham Risen to a few inches from the top.
16096 13 Sep 2020 @ 0852 --- Graham Very low and calm. Red inner crater visible. Down 8" or so.
16041 10 Sep 2020 @ 2245 --- William had begun to intermittently boil muddy water to ~2' by this time.
16038 10 Sep 2020 @ 1710 --- Graham Overflowing and bubbling vigorously
15777 29 Aug 2020 @ 0935 --- Suzanne Muddy pool is calm, no boiling, and has dropped to about 18 inches below the crater rim. Lots of red color in the crater wall.
15776 28 Aug 2020 @ 2000 28 Aug 2020 @ 2130 William Intermittently boiling to 2' with water level 4" below the crater rim and has exposed an inner rim on the close side to the boardwalk. Water level appears to have dropped ~1" during observation.
15758 28 Aug 2020 @ 0655 --- BrianR Infant pool level back below rim Still boiling brownish (not as brown as yesterday) up to 2ft
15756 27 Aug 2020 @ 1947 --- William still erupting muddy water. Water level has dropped to below 1"-2" below the crater rim.
15755 27 Aug 2020 @ 1903 --- BrianR Infant continues same brown water boiling activity
15743 27 Aug 2020 @ 0653 --- BrianR Continues yesterday activity, Still brown
15732 26 Aug 2020 @ 1501 26 Aug 2020 @ 1932 BrianR Boiling up to 2.5ft brown water every 1 to 1.5 minutes for 20 to 30 secs
15731 26 Aug 2020 @ 1429 --- aferrara Muddy, vigorous boil, briefly overflowed
15049 20 Jul 2020 @ 1600 --- KevinS Pool is full and very dirty water in a slow swirl motion.
15036 19 Jul 2020 @ 1251 --- User34 Very high and slightly scummy
11287 11 May 2019 @ 0821 --- Siegmund Full (trickle of water oozing out through the gravel)
10361 16 Sep 2018 @ 1120 --- Siegmund Water ~2cm below overflow
3859 05 Nov 2016 @ 1100 --- Janet Jones Lightly boiling and gently surging and overflowing a bit.
3184 22 Jun 2016 @ 0955 --- David Murky, calm water to near overflow. See photo: https://www.flickr.com/photos/ujelang/27436628603/in/photolist-JiWftd-HNtTNK/
2834 10 May 2016 @ 1324 --- WillBoekel has dropped about 1-2 inches from yesterday.
673 08 May 2011 @ 0000 08 May 2011 @ 2359 BoekelUpload active
15813 13 Apr 1997 @ 0000 13 Apr 1997 @ 2359 JarnoO unreadable
15304 14 Oct 1996 @ 0000 14 Oct 1996 @ 2359 JarnoO boiling 1 foot
14431 14 Nov 1995 @ 1700 --- JarnoO H2O down 8cm
12222 12 Jun 1993 @ 1942 --- JarnoO boiling; height ~20cm
596 08 Aug 1976 @ 1800 --- BoekelUpload 1800 full w/slight overflow
300 06 Aug 1973 @ 0000 06 Aug 1973 @ 2359 BoekelUpload Infant; pool full
299 05 Aug 1973 @ 2017 --- BoekelUpload Infant overflowing @ 20:17
EntrySourceLinkComment
13 Aug 2021 @ 1019 ltgangi https://youtu.be/NF0au9gyF2k infant eruption video from later in eruption, but a clearer video
Baseline does not exist.