| Date: | 2021-11-04 |
| Time: | 1753 |
| Geyser: | UNNG-GHG-18 |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 1m 49s |
| Standardized Duration: | 1m 49s |
| Time Entered: | 2021-11-04 18:06:56 |
| Time Updated: | 2021-11-04 20:03:14 |
| Time Uploaded: | 2021-11-04 20:03:14 |
| Entrant: | SantaFe108 |
| Observer: | Korben C, Michelle, Linda, et al. on webcam. |
| Submitted to: | Geysertimes.org |
| Comments: | VERY big and voluminous throughout. Visibly flooded the runoff channel all the way past Marmot Cave. Ended with a brief jetting mixed-phase. Nice pre-play and surprisingly large after-play. |