| Date: | 2023-05-31 |
| Time: | 1754 |
| Geyser: | UNNG-GHG-17 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 4m |
| Standardized Duration: | 4m |
| Time Entered: | 2023-05-31 17:55:06 |
| Time Updated: | 2023-05-31 18:49:49 |
| Time Uploaded: | 2023-05-31 18:49:50 |
| Entrant: | Graham |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | 17a filled high just before the start of 17, and then dropped. Rose a bit later but 17a failed to erupt. First time since I started watching. 17a erupted 31m later. |