| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 36759 |
04 Sep 2024 @ 1832 |
--- |
CP |
Series of small slashes that lasted a couple of minutes. |
| 36453 |
18 Aug 2024 @ 0645 |
18 Aug 2024 @ 1330 |
RMichaels |
No eruptions observed during this time. Water occasionally visible in the cone with light bubbling starting around 1130. |
| 28149 |
09 Sep 2023 @ 1520 |
--- |
RMichaels |
No additional minors since 1244. |
| 27604 |
14 Aug 2023 @ 1957 |
--- |
minissa |
First fill of this cycle. Was starting to OF as we left around 2000. |
| 27592 |
14 Aug 2023 @ 1747 |
--- |
minissa |
1st OF for this cycle. I'm making all these notes just because this behavior is a bit different from what I've seen in the past and offer it in case anyone wants to follow up. About 5 minutes of heavy OF with some agitation over vent
Edit: 3 more episodes of this sort of activity at 1800, 1815, and 1828 before the "hot period" that initiated the eruption. Times for OF were, respectively, 7 minutes, 5 minutes, and 2-3 minutes |
| 27591 |
14 Aug 2023 @ 1700 |
--- |
minissa |
Furious boiling |
| 27590 |
14 Aug 2023 @ 1640 |
14 Aug 2023 @ 1656 |
minissa |
Intermittent fills as above |
| 27589 |
14 Aug 2023 @ 1625 |
--- |
minissa |
Extended good OF |
| 27588 |
14 Aug 2023 @ 1611 |
--- |
minissa |
7 minutes of good OF |
| 27587 |
14 Aug 2023 @ 1559 |
--- |
minissa |
Total 5' 54" excellent OF, 3'18" then 2' 36" but no bubbling or visible convection {binoculars from overlook} |
| 27586 |
14 Aug 2023 @ 1545 |
--- |
minissa |
3 min sustained cone-sheeting OF |
| 27585 |
14 Aug 2023 @ 1522 |
--- |
minissa |
First fill with overflow Edit: pool remained full with varying degrees of OF x 13 min |
| 26120 |
07 Jun 2023 @ 1030 |
07 Jun 2023 @ 1040 |
SantaFe108 |
Filled to OF and had one small boil at 1030.
Another OF fill with better boiling at 1038. |
| 26118 |
07 Jun 2023 @ 0925 |
--- |
SantaFe108 |
Filled with OF and splashed for a few minutes. There have been other fills before this but no splashing. |
| 23142 |
11 Aug 2022 @ 1529 |
--- |
minissa |
Another OF. I skipped mentioning one at 1520 because the cone is barely draining only to fill and OF again and oh, look, 1530 filling and bubbling |
| 23141 |
11 Aug 2022 @ 1517 |
--- |
minissa |
Another fill with OF at 1519,drained 1522 |
| 23140 |
11 Aug 2022 @ 1515 |
--- |
minissa |
Main cone drained but atomizer still "leaking" as described. |
| 23139 |
11 Aug 2022 @ 1506 |
--- |
minissa |
First visible water in cone, reaching OF at 1512. Noticed with binoculars in good sunlight that as the main cone filled, the "atomizer" cone has 3 areas from which thin but steady stream of water are running as the main cone filled |
| 23138 |
11 Aug 2022 @ 1349 |
--- |
minissa |
Cone still empty but steaming lightly, crack is seeping. Have been observing for about an hour, does not look post-eruptive |
| 22807 |
23 Jul 2022 @ 0920 |
--- |
deanl |
when I arrived at above 0920, Atomizer was attempting a quick comeback major but failed |
| 22513 |
12 Jul 2022 @ 1300 |
12 Jul 2022 @ 1305 |
deanl |
It filled and spashed several times over this period, like it was trying to erupt. This was probably the 1st minor. |
| 22512 |
12 Jul 2022 @ 1155 |
--- |
RMichaels |
First overflow. |
| 22060 |
22 Jun 2022 @ 0850 |
--- |
RMichaels |
Most likely had a major sometime early this morning, but not sure exactly when. No water or even steam seen during brief observation. |
| 22056 |
21 Jun 2022 @ 1701 |
--- |
RMichaels |
First overlow following major eruption. |
| 21585 |
30 May 2022 @ 1301 |
--- |
Skookum |
In stream phase |
| 20659 |
10 Jan 2022 @ 0950 |
--- |
mhvogel |
My first Atomizer eruption ever! I'm almost positive it was a minor. Saw it ie at 0950 erupting at about 10-15 feet then at 0953 it briefly stopped a minute later and came back on at 0956 and began erupting higher, maybe 20+ feet. I left a little after 1000 as I had to walk back to the VC. I read Scott Bryans book and it didn't mention anything about brief pauses in between minors. |
| 19491 |
11 Sep 2021 @ 1845 |
--- |
William |
Very little steam from both cones. |
| 19311 |
05 Sep 2021 @ 0645 |
--- |
William |
back cone in constant light steam |
| 19263 |
03 Sep 2021 @ 1854 |
03 Sep 2021 @ 2015 |
William |
arrived at 18:54, first observed water in back cone at 19:03. did not erupt prior to my departure at 20:15. |
| 19245 |
02 Sep 2021 @ 1353 |
--- |
William |
water rose quickly in the cone at this time but did not erupt. first water seen but only been here since 13:35. |
| 19119 |
27 Aug 2021 @ 1945 |
--- |
LynnS |
No major yet |
| 19120 |
27 Aug 2021 @ 1355 |
27 Aug 2021 @ 1855 |
LynnS |
Atomizer fid not erupt during this time. The only activity was periodic fill, overflow, and occasionally bubbling accompanied the overflow. By 1800 the overflow had been so frequent iand heavy that the area around and between the two cones stayed wet, even between periods of overflow. |
| 19121 |
27 Aug 2021 @ 1155 |
27 Aug 2021 @ 1355 |
LynnS |
Atomizer did not have another eruption between 1023 and 1155.
Atomizer was not watched from 1155 to 1355. It could have had a minor eruption during this time. It did not have a major eruption because water levels in the minor cone were visibly rising and falling when I returnedl at 1355 and neither cone was steaming at 1355. |
| 19028 |
23 Aug 2021 @ 1701 |
23 Aug 2021 @ 1754 |
minissa |
Atomizer restarted previously described activity, which continued throughout Artemesia's eruption but ultimately resulted in no eruption. We did note that there are several small, seeping cracks around the base of the "atomizer" /right-hand cone rather than one as previously noted, and seepage occurred during the described activity in the main cone. |
| 19020 |
23 Aug 2021 @ 1645 |
--- |
minissa |
On the last of OF of this cycle, distinct bubbling over vent x 20 sec followed by complete drain that has exceeded 10 minutes. Not sure whether to count this as a minor but prolonged drain is more what you'd expect following an eruption. Distinctly different from behavior of the previous hour where cone would fill, OF, recede a bit, OF multiple times before draining and where cone only remained empty for a few minutes. |
| 19017 |
23 Aug 2021 @ 1615 |
--- |
minissa |
Left hand cone continues to oscillate with good OF alternating with complete drain and rapid refill, whole cycle first OF to first OF taking about 15 minutes . Right hand cone appears to have a crack at its base through which slight seepage is visible with binoculars {also reflecting the sun given the right angle} |
| 19016 |
23 Aug 2021 @ 1605 |
--- |
minissa |
Pool had drained at 1558 but is now full and overflowing again |
| 19015 |
23 Aug 2021 @ 1541 |
--- |
minissa |
Reached overflow, sustained high pool but no bubbling |
| 18967 |
20 Aug 2021 @ 0737 |
--- |
William |
water high in atomizer cone |
| 18526 |
19 Jul 2021 @ 1340 |
19 Jul 2021 @ 1400 |
nails |
No minor immediately before major. |
| 18469 |
17 Jul 2021 @ 0851 |
17 Jul 2021 @ 1055 |
William |
some weak splashing within 10m of previous min but otherwise no water seen during this time. |
| 18460 |
16 Jul 2021 @ 2030 |
--- |
William |
light continuous steam from back cone. |
| 18288 |
06 Jul 2021 @ 0821 |
--- |
William |
first water observed since 07:00 |
| 18096 |
25 Jun 2021 @ 2001 |
25 Jun 2021 @ 2245 |
William |
some post play immediately after previous minor, but did not erupt during this time |
| 17933 |
19 Jun 2021 @ 1913 |
19 Jun 2021 @ 1917 |
William |
blipped and splashed to 1' but did not erupt |
| 17932 |
19 Jun 2021 @ 1806 |
--- |
William |
first water in cone observed since at least 17:15 |
| 17647 |
10 Jun 2021 @ 1923 |
10 Jun 2021 @ 2120 |
William |
no further action from Atomizer during this time |
| 17374 |
02 Jun 2021 @ 1250 |
--- |
Bhoffer |
Post Major Eruption. In end of steam phase. |
| 17369 |
02 Jun 2021 @ 0805 |
02 Jun 2021 @ 0900 |
William |
no water observed during this time |
| 16876 |
17 Apr 2021 @ 0914 |
--- |
User34 |
Late steam |
| 16450 |
22 Oct 2020 @ 1855 |
--- |
William |
first water seen in Atomizer after major earlier today. |
| 16446 |
20 Oct 2020 @ 1646 |
20 Oct 2020 @ 1830 |
William |
first visible water in atomizer at 16:46 since major earlier today, no eruption before 18:30 |
| 16145 |
16 Sep 2020 @ 1851 |
--- |
William |
constant light steam coming from back cone |
| 15925 |
31 Aug 2020 @ 2011 |
31 Aug 2020 @ 2030 |
William |
no attempt at quick comeback maj during this time. |
| 15706 |
23 Aug 2020 @ 1042 |
23 Aug 2020 @ 1343 |
William |
no further action from atomizer during this time. |
| 15558 |
13 Aug 2020 @ 1308 |
13 Aug 2020 @ 1643 |
minissa |
Some seepage from cone when we arrived but otherwise main cone remained completely empty during this time period |
| 15451 |
07 Aug 2020 @ 1901 |
07 Aug 2020 @ 1920 |
William |
steady light steam from back cone. reduced to a trickle of steam by 19:20. |
| 15106 |
25 Jul 2020 @ 2025 |
25 Jul 2020 @ 2028 |
William |
post eruptive splashing to 2'. Did not lead to major by 20:45 |
| 14690 |
20 Jun 2020 @ 1330 |
20 Jun 2020 @ 1429 |
User34 |
Intermittently overflowing |
| 13821 |
27 Sep 2019 @ 1715 |
27 Sep 2019 @ 1945 |
William |
no further action from Atomizer during this timeframe. |
| 13327 |
20 Aug 2019 @ 0915 |
20 Aug 2019 @ 1215 |
William |
no follow up activity since previously noted minor. |
| 13322 |
20 Aug 2019 @ 0910 |
20 Aug 2019 @ 0912 |
William |
post eruptive splashing up to 1'. |
| 13238 |
14 Aug 2019 @ 1618 |
--- |
minissa |
Water briefly resumed, thin column to a height of maybe 10 feet after I called the end of the eruption due to both cones end of steam. A bit more steam both cones x next 5 minutes |
| 13237 |
14 Aug 2019 @ 1542 |
--- |
minissa |
Start of yet another fill |
| 13236 |
14 Aug 2019 @ 1524 |
--- |
minissa |
Start of another fill |
| 13235 |
14 Aug 2019 @ 1509 |
--- |
minissa |
Another sustained fill |
| 13234 |
14 Aug 2019 @ 1454 |
--- |
minissa |
Sustained fill in progress with water sheeting cone |
| 13233 |
14 Aug 2019 @ 1310 |
--- |
minissa |
Filled and drainef |
| 13046 |
05 Aug 2019 @ 1300 |
05 Aug 2019 @ 1530 |
Stephen_Gemar |
No eruption during this time. |
| 11782 |
14 Jun 2019 @ 0805 |
14 Jun 2019 @ 1010 |
Choward |
Completely inactive. No periods of overflow. |
| 11708 |
10 Jun 2019 @ 1910 |
10 Jun 2019 @ 1911 |
William |
1 ft water bursts every 3-5 seconds |
| 9699 |
13 Aug 2018 @ 1425 |
--- |
minissa |
Water has been seeping from crack in cone for at least 30 minutes, progressing slightly (visible from path with binocs) |
| 9516 |
07 Aug 2018 @ 1150 |
07 Aug 2018 @ 1430 |
c.barwin |
The only activity at this time was audible splashing and steam around 1210 and then no other activity when I left the area at 1430. |
| 9510 |
07 Aug 2018 @ 1110 |
--- |
c.barwin |
skip after seeing visible water and steam |
| 3769 |
16 Sep 2016 @ 1638 |
16 Sep 2016 @ 1722 |
bhoppe |
Overflows occurring about 15-20 minutes apart. No eruption witnessed |
| 3153 |
29 Jun 2016 @ 0800 |
--- |
Barbara Lasseter |
Both cones steaming lightly |
| 3097 |
19 Jun 2016 @ 0630 |
--- |
LynnS |
Finished the major before I arrived. Both cones still steaming. Faint steam from east cone. Forced steam from west cone. Forcefulness of Steam from west cone had decreased such that steam was just wafting when I left at 0630. |
| 3085 |
17 Jun 2016 @ 0940 |
--- |
LynnS |
Post-eruptive; light steam wafting from eastern cone; light steam pushing from western cone. |
| 3042 |
10 Jun 2016 @ 1041 |
10 Jun 2016 @ 1700 |
JSJ |
Dry and empty all late morning & afternoon. First overflow at 1700. Left after that. |
| 2775 |
22 Apr 2016 @ 1220 |
--- |
WillBoekel |
full of water |
| 2746 |
17 Apr 2016 @ 1110 |
--- |
WillBoekel |
in late steam phase |
| 2417 |
24 Sep 2015 @ 0904 |
24 Sep 2015 @ 0930 |
ThomasR |
No further eruption. |
| 1824 |
01 Jul 2015 @ 1645 |
--- |
Jake |
came to overflow a couple times leading to 2nd eruption. didn't erupt, drained. I left |
| 1143 |
31 Jul 2014 @ 0945 |
--- |
Tara |
Atomizer post-major at 0945. |
| 16579 |
17 Feb 1998 @ 1200 |
--- |
JarnoO |
{generic time}; post major steam |
| 15256 |
01 Jul 1996 @ 0928 |
--- |
JarnoO |
steaming; post major |
| 14371 |
30 Aug 1995 @ 0000 |
30 Aug 1995 @ 2359 |
JarnoO |
vr 4 minors |
| 5510 |
08 Aug 1992 @ 0900 |
--- |
JarnoO |
before 0900 |