| Date: | 2021-04-16 |
| Time: | 1555 ie |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >2h26m |
| Standardized Duration: | >2h 26m |
| Time Entered: | 2021-04-16 15:57:41 |
| Time Updated: | 2021-04-16 19:03:13 |
| Time Uploaded: | 2021-04-16 19:03:13 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | must have started not long ago; still ie 1700, 1821. done by 1901. |