| Date: | 2017-08-22 |
| Time: | 2141 ie |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | At least 60 minutes |
| Standardized Duration: | >1h 0m |
| Time Entered: | 2017-08-23 07:49:42 |
| Time Uploaded: | 2019-05-13 21:41:58 |
| Entrant: | colopho |
| Observer: | colopho |
| Submitted to: | |
| Comments: | Arrived within in 5 minutes of start per other observers. Had at least 6 series of bursts over the next 60 minutes. |