Last Known Eruption
132d 17h 20m ago

Interval Statistics

Interval Count26
Min2m
Max15y 117d 21h 11m
Mean1y 153d 22h 49m
Median2h 26m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
18525 19 Jul 2021 @ 1224 --- minissa Not sure if this is a feature we logged, but visible boiling up 3-4"
18420 14 Jul 2021 @ 1118 --- steve Another strong boil to about 2 feet for about one minute.
18418 14 Jul 2021 @ 1033 --- steve As I drove up Basin Spring was boiling from 6 inches to 2 feet. This continued until 1036. Some weaker boiling happened 1038-9.
17333 01 Jun 2021 @ 1336 --- steve Boiling to a foot high or more
13476 31 Aug 2019 @ 1231 31 Aug 2019 @ 1318 steve Basin Spring appears to be boiling with occasional bigger boils to 6 inches to over a foot about once a minute. No eruptions seen however. Yet.
13030 04 Aug 2019 @ 1335 --- JSJ In low to very low eruption (viewed from Three Sisters Spring overlook). Appeared to be engaged in the same cyclic behavior as on 2 August 2019.
12966 02 Aug 2019 @ 1744 02 Aug 2019 @ 1847 JSJ Pool cycling from relatively calm to bubbling, blipping, low spouting at multiple spots, and low erupting.
4178 02 Jun 2017 @ 1240 02 Jun 2017 @ 1401 JSJ No eruptions from Basin Spring. Receiving a trickle of runoff from Three Sisters Spring. Basin Spring's water level cycles up & down (Examples: high water, almost at rim, at 1248 & 1301 & 1312-1315; high water event, but not very close to rim, at 1327). Some high water level events are accompanied by slight to semi-decent overflow from the southwestern arm/corner of pool. A sustained high water event occurred from 1335 to 1357, accompanied by overflow. Slight bubbling at 1353 & 1356 & 1358 from next to the western edge of the pool. Low water levels appeared to be ~0.5 to 0.75 feet below the rim/border of the pool.
14372 31 Aug 1995 @ 0000 31 Aug 1995 @ 2359 JarnoO active
No attachments for this geyser.
Baseline does not exist.