| Date: | 2019-12-08 |
| Time: | 1653 E |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2019-12-08 17:08:18 |
| Time Updated: | 2019-12-08 17:36:02 |
| Time Uploaded: | 2019-12-08 17:36:02 |
| Entrant: | ypcaribou |
| Observer: | YNM Seismo |
| Submitted to: | |
| Comments: |
| https://www.flickr.com/photos/jsjgeology/49190668416 | Norris Museum seismogram showing Steamboat Geyser's 4:53 PM major eruption on 8 December 2019. | |
| https://www.flickr.com/photos/jsjgeology/49192799892 | Tantalus Creek discharge graph showing Steamboat Geyser's 4:53 PM major eruption on 8 December 2019. |