Last Known Eruption
30y 268d 3h 38m ago

Latest Eruptions

Interval Statistics

Interval Count16
Min5h 4m
Max14y 337d 2h 20m
Mean1y 111d 2h 49m
Median5d 11h 52m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
5140 09 Jul 1989 @ 1800 --- research-mab 7/9/1989 ... erupting to 4 ft high today. Some spines evident on edge of circular pool – no runoff channel.
5141 22 Jul 1984 @ 1800 --- research-mab 7/22/1984 - 8 minute eruption 4-5 ft height splashy type 2:37 interval temp 186º
5096 15 Sep 1978 @ 1800 --- research-mab 09/15/1978 Hodapp’s hole (unofficial name) – 181ºF – spouting to 1 foot.
4955 14 Sep 1978 @ 1800 --- research-mab 09/14/1978 Hodapps full and bubbling
4956 30 Jul 1978 @ 1800 --- research-mab 07/30/1978 weekly temps inclue Dabble “ie” = Hodapps Hole 176 ie
5111 01 Aug 1977 @ 0900 --- research-mab 08/01/1977 Much steam coming from the Pebble Geyser Cone – Hodapp’s Hole area this am
5237 08 Sep 1976 @ 1415 --- research-mab 09/08/1976 Hodapp’s Hole full of water 1415
5833 20 Sep 1974 @ 1800 --- research-mab 09/20/1974 Hodie’s Hole & Butch – still active but appear to be slowing down a bit. Another new spring – 2’W of Butch: ~6 in diameter, spouting to 9”
5824 13 Sep 1974 @ 1800 --- research-mab 09/13/1974 Dabble in A.M. intervals of 13, 15, 14 minutes. Durations of 4½, 4½, 5½ minutes - max height ~6’, most bursts 1-2’
6201 03 Oct 1973 @ 1800 --- research-mab 10/03/1973 Hodapp’s Hole marker gone-replaced {no time}
6190 30 Sep 1973 @ 1000 --- research-mab 09/30/1973 Back Basin 10 am Hodapp’s Hole drained but marker placed yesterday was gone.
6163 19 Sep 1973 @ 1000 --- research-mab 09/19/1973 Back Basin 10:00 am Marker washed form unnamed spring NE of Son of Green Dragon – it was replaced, water level noted to be very low.
6160 18 Sep 1973 @ 1800 --- research-mab 09/18/1973 Unnamed Feature NE of “Son of Green Dragon” water level very low – 2 ½’ lower than the full basin but marker placed two days ago was washed out. New marker was set up.
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