| Date: | 2023-09-16 |
| Time: | 1732 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10m40s |
| Standardized Duration: | 10m 40s |
| Grand Code: | T1Q |
| Time Entered: | 2023-09-16 17:33:24 |
| Time Updated: | 2023-09-16 17:45:28 |
| Time Uploaded: | 2023-09-16 17:45:29 |
| Entrant: | Graham |
| Observer: | BenVL and I |
| Submitted to: | GeyserTimes for Android |
| Comments: | Flooded for 5m, dropped, refilled and erupted with 20s. |