Last Known Eruption
19y 215d 20h 15m ago

Latest Eruptions

Interval Statistics

Interval Count22
Min11m
Max26y 7d 15h 24m
Mean1y 137d 14h 18m
Median23h 34m

Latest Notes

Note IDStart Time (US/Mountain)End Time (US/Mountain)EntrantNote
37578 14 Oct 2024 @ 1354 --- steve It may be just me but I thought Silex had more and stronger convection currents. There are more non-steam small bubbles (bubbles that don’t collapse).
27551 12 Aug 2023 @ 1819 --- JSJ Flaming at vent.
27201 24 Jul 2023 @ 1310 --- steve It is subjective but the three times I have observed Silex this week the convection rolling has appeared to be stronger and longer lasting.
26576 21 Jun 2023 @ 1250 --- JSJ Flaming at vent.
23249 18 Aug 2022 @ 1440 --- Craigmon99 Clear blue. Steam bubbles collapsing at depth
23016 03 Aug 2022 @ 1825 --- Tara calm with milky blue water, maybe from yesterday's storm?
22766 21 Jul 2022 @ 1737 --- steve Silex is back to being clear
22708 19 Jul 2022 @ 1543 --- steve Silex is hazy. It is hard to see the bottom of the pool.
21977 13 Jun 2022 @ 1923 --- Tara Murky water, lighter blue color, water level and overflow normal.
17353 01 Jun 2021 @ 1805 --- JSJ Occasional flaming effect at vents.
15153 02 Aug 2020 @ 1255 --- JSJ Flaming at vent.
10667 09 Aug 2018 @ 1925 --- JSJ Flame effect - rising bubbles are collapsing at vents, well below water surface.
9556 08 Aug 2018 @ 1530 --- Janet Jones Lots of fairly strong flaming from the vent and good convection and bubbles. Only seconds to maybe a half a minute between flaming from the vent.
9187 14 Jul 2018 @ 2024 --- Micah Kipple Strong and large steam bubbles collapsing at depth, strong convection and more boiling than Ive seen before.
7542 17 Apr 1976 @ 0000 17 Apr 1976 @ 2359 JSJ 17 April 1976 - Silex had intermittent discharge for about 1 hour.
305 25 Aug 1973 @ 0000 25 Aug 1973 @ 2359 BoekelUpload Silex; VR; Down
281 18 Jun 1973 @ 0845 --- BoekelUpload Silex Spring down 1.5ft @08:45
225 30 Jun 1972 @ 2000 --- BoekelUpload at2000;Silex Pool down 12inches
175 17 Jan 1971 @ 1330 --- BoekelUpload Silex overflow 1330
174 17 Jan 1971 @ 1130 --- BoekelUpload Silex down 2-3ft 1130
EntrySourceLinkComment
14 Jul 2001 @ 1251 JSJ https://www.youtube.com/watch?v=9Khzul8iDfs Video by David Schwarz of Silex Spring's 12:51 PM major eruption on 14 July 2001.
Baseline does not exist.