| Date: | 2021-10-07 |
| Time: | 1556 ns |
| Geyser: | Grotto Fountain |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-10-07 16:09:28 |
| Time Uploaded: | 2021-10-07 16:09:28 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Time is development of dense and sustained plume |