Last Known Eruption
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Latest Eruptions

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Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
16394 10 Oct 2020 @ 1018 --- cb same as last observation. Yellowish with a few random bubbles breaking the surface.
16341 06 Oct 2020 @ 1220 --- cb Water level is covering the shelf on the south east edge by ~2-3" of yellowish/green, clear water and occasional bubbles break the surface in this area.
16272 26 Sep 2020 @ 1629 --- cb Mystics pool is high. 3" of water covers the shelf inside the pool on the south end of the pool. It is yellowish green, calm with occasional dime to quarter sized bubbles breaking the surface.
15548 13 Aug 2020 @ 1026 --- cb pool is covering the shelf on the NE edge with about 4" of water and has a few random bubbles breaking the surface. color is yellowish green. pool is calm
15658 03 Aug 2020 @ 1055 --- Tara With Steamboat in steam phase, Mystic Spring was down about 18" from the log on the west side and had slightly murky green-blue water.
14526 03 Jun 2020 @ 1340 --- cb Pool is low, calm and has that sulfer yellow color at the edges to about 1' down into the pool and then deeper into the vent it becomes greenish.
14502 01 Jun 2020 @ 1803 --- ypcaribou Clear, emerald blue
13927 12 Oct 2019 @ 1230 --- cb water level is up to the sand on rhe west end of the pool. It is clear, greenish in color & no bubbles.
13890 05 Oct 2019 @ 1210 --- cb pool is high, clear and occasional bubbles.
13756 19 Sep 2019 @ 1220 --- cb light emerald green in color. Occasional bubbles on the east and west end of the pool.
13254 14 Aug 2019 @ 1619 --- cb unchanged. ~2' below rim. greenish yellow with a boil on the east end of the pool.
13125 09 Aug 2019 @ 0834 --- cb pool is low. water is just covering the rock outcropping/shelf of the NE rim. color is a cloudy greenish yellow. **Mud spring is very low! Down ~ 2.5' from the rim (not overflow). Pool is calm and cloudy greenish in color. ** Blue Mud Steam Vent water level is low. Splashing water is barely visable deep in the vent.
12995 03 Aug 2019 @ 0835 --- cb yellowish green in color. 3 areas that have bubblers breaking the surface.
12969 02 Aug 2019 @ 0936 --- MAB green yellow in color with fairly active bubbles
12889 31 Jul 2019 @ 0854 --- cb light yellowish green in color and has a small roiling boil on the south end
11022 20 Apr 2019 @ 1033 --- MAB Low water, appeared slightly cloudy but could have been steam.
9833 22 Aug 2018 @ 1835 --- cb high (up to the log debris) and a yellow/greenish color.
9130 11 Jul 2018 @ 0920 --- Tara Down about 18" and burbling to a gee inches.
6041 23 Jul 1973 @ 1800 --- research-mab 07/23/1973 Mystic Spring muddy – also Milky Complex, Basin Geyser
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