Eruption 1065663

Date:2018-12-17
Time:1215 A
Geyser:Steamboat
Webcam:No
Initial:No
Major/Minor:Major
Duration:
Time Entered:2018-12-17 14:48:38
Time Updated:2018-12-18 22:09:49
Time Uploaded:2018-12-21 12:33:11
Entrant:JSJ
Observer:Tantalus Creek discharge graph
Submitted to:Geysertimes.org
Comments:Major eruption in the early afternoon of 17 December 2018. Will modify posting if/when more info. is available. Anomalous discharge spike at Tantalus Creek consistent with a Steamboat eruption. Spike appears at about 1330 on chart (is this government equipment off by an hour?). Maybe 1 to 1.5 hour lag between eruption and discharge spike (?). Inferring eruption at about 1200 to 1230. Update at Old Faithful web camera chat page: "Robert Cash just confirmed a steam phase returning from Canyon this afternoon." Update at Geyser Gazers facebook page: "Xanterra tour guide - saw water phase i.e. 1415." Update: reported stream gauge lags range from 45 to 95 minutes, so Steamboat's eruption may have been anywhere between about 1155 to 1245. See attachment.

Because I can now go back and retrieve data from when the webicorder wasn't updating, I'm hoping it's just a network issue instead of the actual seismometer dying. I see something on the YNR data around 12:32 that might be the eruption but I'm not very confident because Steamboat doesn't have a consistent signature in spectrogram at that distance.
Entrant: Archer
Time Entered:2018-12-17 16:46:28
Time Updated:2018-12-17 16:51:18
Time Uploaded:2018-12-17 16:49:45
Submitted to:Geysertimes.org
Confirmed n steam phase this afternoon by Robert Cash. "Got to Norris at 1430 and it was in good steam." Confirmed the major, not the time.
Entrant: ypcaribou
Time Entered:2018-12-17 16:59:19
Time Updated:2018-12-17 17:09:46
Time Uploaded:2018-12-17 17:09:44
Submitted to:Geysertimes.org
Thanks to Bill (NPS employee), we now have access to Steamboat loggers' files. Visualised the 'Steamboat South Channel Tree Logger' data and read out 1159:49 (also thanks for confirmation, EricZ) as start time. See the attachment on E time.
Entrant: JarnoO
Time Entered:2018-12-22 06:19:48
Time Updated:2018-12-22 06:20:42
Time Uploaded:2018-12-22 06:20:41
Submitted to:Geysertimes.org
ypcaribou
Time Entered:2018-12-17 17:08:46
Time Uploaded:2018-12-17 17:08:46
Submitted to:Geysertimes.org
No flags for this eruption.
https://www.flickr.com/photos/jsjgeology/31421324057Tantalus Creek discharge graph showing spike from Steamboat Geyser's major eruption in the early afternoon of 17 December 2018.
Entrant: JSJ
Time Entered:2018-12-17 17:28:44
Time Uploaded:2018-12-17 17:28:44
Submitted to:Geysertimes.org
https://drive.google.com/file/d/11ko1JlmAm0sN2diPABCEW1pXkpJ9_der/view?usp=...Tantalus Creek - Discharge, cubic feet per second
Entrant: Art
Time Entered:2018-12-17 17:31:28
Time Uploaded:2018-12-17 17:31:28
Submitted to:Geysertimes.org


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