| Date: | 2023-05-31 |
| Time: | 1825 |
| Geyser: | UNNG-GHG-17a |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2023-06-01 18:58:19 |
| Time Uploaded: | 2023-06-01 18:58:19 |
| Entrant: | K.Cooper |
| Observer: | Graham |
| Submitted to: | Geysertimes.org |
| Comments: | "17a erupted 31m later" after 1754 |