| Date: | 2021-03-27 |
| Time: | 1301 E |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2021-03-27 13:19:05 |
| Time Updated: | 2021-03-27 13:24:33 |
| Time Uploaded: | 2021-03-27 13:24:33 |
| Entrant: | Tara |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | YNM seismograph |
| https://www.flickr.com/photos/jsjgeology/51077319217 | Norris Museum seismogram showing Steamboat Geyser's 1:01 PM major eruption on 27 March 2021. | |
| https://www.flickr.com/photos/jsjgeology/51077319252 | Tantalus Creek discharge graph showing Steamboat Geyser's 1:01 PM major eruption on 27 March 2021. |