Last Known Eruption
94d 9h 20m ago

Latest Eruptions

Eruption DurationInterval
15 Aug 2019 @ 143420d 1h 17m
26 Jul 2019 @ 131719d 17h 21m
06 Jul 2019 @ 19561d 1m
05 Jul 2019 @ 19553d 5h 27m
02 Jul 2019 @ 1428 ie34d 3h 25m
29 May 2019 @ 110333d 40m
26 Apr 2019 @ 1023 ie90d 23h 45m
25 Jan 2019 @ 0938 ie230d 20h 48m
08 Jun 2018 @ 13506d 22h 18m
01 Jun 2018 @ 15322d 20h 36m
29 May 2018 @ 1856 A38d 6h 49m
21 Apr 2018 @ 1207 ie242d 36m
22 Aug 2017 @ 113165d 14h 49m
17 Jun 2017 @ 204210d 6h 24m
07 Jun 2017 @ 14183m
07 Jun 2017 @ 1415265d 20h 35m
14 Sep 2016 @ 174067d 8h 31m
09 Jul 2016 @ 090923h 36m
08 Jul 2016 @ 093312m
08 Jul 2016 @ 092111d 21h 15m
26 Jun 2016 @ 120616d 23h 19m
09 Jun 2016 @ 12479d 22h 32m
30 May 2016 @ 1415270d 18h 37m
02 Sep 2015 @ 193813d 8h 20m
20 Aug 2015 @ 11181d 30m
19 Aug 2015 @ 104862d 21h 55m
17 Jun 2015 @ 1253 ie2d 20h 45m
14 Jun 2015 @ 1608 ie2d 20h 5m
11 Jun 2015 @ 200315m
11 Jun 2015 @ 19487m
11 Jun 2015 @ 194118m
11 Jun 2015 @ 192312m
11 Jun 2015 @ 1911263d 23h 32m
20 Sep 2014 @ 19393m
20 Sep 2014 @ 19362m
20 Sep 2014 @ 193448d 3h 0m
03 Aug 2014 @ 1634334d 3h 42m
03 Sep 2013 @ 125227m
03 Sep 2013 @ 12255m
03 Sep 2013 @ 122010m
03 Sep 2013 @ 12107m
03 Sep 2013 @ 12032m
03 Sep 2013 @ 1201359d 22h 13m
08 Sep 2012 @ 1348 ie12m
08 Sep 2012 @ 13364y 12d 18h 57m
27 Aug 2008 @ 18392m
27 Aug 2008 @ 18372m
27 Aug 2008 @ 18353m
27 Aug 2008 @ 18322m
27 Aug 2008 @ 183014d 6h 52m
13 Aug 2008 @ 11383m
13 Aug 2008 @ 11352m
13 Aug 2008 @ 11332m
13 Aug 2008 @ 11313m
13 Aug 2008 @ 11282m
13 Aug 2008 @ 11263m
13 Aug 2008 @ 11232m
13 Aug 2008 @ 11213m
13 Aug 2008 @ 11182m
13 Aug 2008 @ 11163m
13 Aug 2008 @ 11132m
13 Aug 2008 @ 11112m
13 Aug 2008 @ 11093m
13 Aug 2008 @ 11062m
13 Aug 2008 @ 11043m
13 Aug 2008 @ 1101

Interval Statistics

Interval Count65
Min2m
Max4y 12d 18h 57m
Mean61d 19h 59m
Median27m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
13521 03 Sep 2019 @ 1158 03 Sep 2019 @ 1205 steve Avoca appears to be a perpetual spouter however it gets stronger about once or twice a minute with bursting to 5 feet. The water level in the pool stays at 3-4 feet below ground level so only a little of the eruptions are above ground level.
10371 17 Sep 2018 @ 1845 --- Siegmund Avoca has constructed a round berm of gravel, but runoff channel to the north is dry. Silver Globes are all quiet.
12186 07 May 1993 @ 1830 --- JarnoO dormant
No attachments for this geyser.
Baseline does not exist.


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