| Date: | 2020-02-12 |
| Time: | 1723 E |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2020-02-12 17:28:05 |
| Time Uploaded: | 2020-02-12 17:28:05 |
| Entrant: | nlydeen |
| Observer: | |
| Submitted to: | |
| Comments: | YNM seismograph |
| https://www.flickr.com/photos/jsjgeology/49528263918 | Norris Museum seismogram showing Steamboat Geyser's 5:23 PM major eruption on 12 February 2020. | |
| https://www.flickr.com/photos/jsjgeology/49528263948 | Tantalus Creek discharge graph showing Steamboat Geyser's 5:23 PM major eruption on 12 February 2020. |