| Date: | 2019-08-20 |
| Time: | 1251 |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 15m |
| Standardized Duration: | 15m |
| Time Entered: | 2019-08-20 13:06:48 |
| Time Updated: | 2019-09-04 06:34:27 |
| Time Uploaded: | 2019-09-04 06:35:56 |
| Entrant: | cb |
| Observer: | Kitt, Craig C. Udo, Carol & Bill B. Dave D, Bender Clan, KC & Julie, Gid & Chris D. Dean, Barbara L & sister, Kyle & David P. Mason M & Gwen W. |
| Submitted to: | GeyserTimes for Android |
| Comments: | nv 1306 steam. sv steam 1308. water back @ 1412 for a short period. No pauses. The start was incredibly TALL! I'd estimate it at over 400'! |
| https://www.flickr.com/photos/jsjgeology/48587974316 | Norris Museum seismogram showing Steamboat Geyser's 12:51 PM-onward major eruption on 20 August 2019. | |
| https://www.flickr.com/photos/jsjgeology/48588113537 | Norris Junction seismogram showing Steamboat Geyser's 12:51 PM-onward major eruption on 20 August 2019. | |
| https://www.flickr.com/photos/jsjgeology/48588113572 | Tantalus Creek discharge graph showing Steamboat Geyser's 12:51 PM-onward major eruption on 20 August 2019. |