Eruption 1072313

Date:2019-03-11
Time:0154 E
Geyser:Steamboat
Webcam:No
Initial:No
Major/Minor:Major
Duration:
Time Entered:2019-03-11 04:32:02
Time Updated:2019-03-12 12:29:25
Time Uploaded:2019-03-12 12:29:25
Entrant:JarnoO
Observer:YNM seismograph
Submitted to:GeyserTimes Android App
Comments:Time is first increase in noise on seismo, albeit very minor in amplitudal increase. See attachments.

The seismograph at that time does show an eruption. However, there is barely an up rise in it, Eruptions appear to be getting smaller. again, very faint trace on seismograph
Entrant: TheHikingDude
Time Entered:2019-03-11 11:18:46
Time Uploaded:2019-03-11 11:18:47
Submitted to:GeyserTimes Android App
I haven't yet tried to rigorously look at seismic amplitudes with visual observations of steam phase transitions, but: small amplitude corresponds to a more water dominated eruption, not a smaller eruption.
Entrant: Archer
Time Entered:2019-03-11 16:09:57
Time Uploaded:2019-03-11 16:09:57
Submitted to:Geysertimes.org
Some of us feel that colder ground temps are also "muffling" the seismograph. Again, seismograph can NOT tell us the size of the eruption!
Entrant: Dave from B
Time Entered:2019-03-11 16:14:48
Time Uploaded:2019-03-11 16:14:48
Submitted to:Geysertimes.org
No confirms for this eruption.
No flags for this eruption.
https://drive.google.com/open?id=1t7FKm3mx2uNFAqJQtbqNVWHDD1XMFsLHTrace as seen on YNM. Note the minor, but relatively abrupt increase in noise at 0154, which holds for about 2-2½ minutes, goes a tad bit quieter after that and then increases again.
Entrant: JarnoO
Time Entered:2019-03-11 08:26:06
Time Updated:2019-03-12 12:29:37
Time Uploaded:2019-03-12 12:29:36
Submitted to:Geysertimes.org
https://drive.google.com/open?id=1Wt8ZnD3pm0OvFIVTJQIfaaTMmzvSXfE7USGS' Tantalus Creek graph. Discharge before spike: 3.95 cfps @ 0245, first increase @ 0300 to 4.43 cfps, highest: 7.54 cfps @ 0330.
Entrant: JarnoO
Time Entered:2019-03-11 08:29:04
Time Uploaded:2019-03-11 08:29:04
Submitted to:Geysertimes.org
https://www.flickr.com/photos/jsjgeology/47295763772Norris Museum seismogram of Steamboat Geyser's early AM major eruption on 11 March 2019.
Entrant: JSJ
Time Entered:2019-03-11 10:20:38
Time Uploaded:2019-03-11 10:20:38
Submitted to:Geysertimes.org
https://www.flickr.com/photos/jsjgeology/46625252884Tantalus Creek discharge graph with water volume spike from Steamboat Geyser's early AM major eruption on 11 March 2019.
Entrant: JSJ
Time Entered:2019-03-11 10:22:55
Time Uploaded:2019-03-11 10:22:55
Submitted to:Geysertimes.org


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