| Date: | 2021-08-18 |
| Time: | 2057 |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 35 |
| Time Entered: | 2021-08-18 20:58:48 |
| Time Uploaded: | 2021-08-19 14:16:30 |
| Entrant: | onariver |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | Did not stay for whole eruption. |