| Date: | 2020-08-18 |
| Time: | 1452 |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~18h |
| Standardized Duration: | ~ |
| Time Entered: | 2020-08-18 14:55:18 |
| Time Updated: | 2020-08-19 12:47:20 |
| Time Uploaded: | 2020-08-19 12:47:19 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | marathon; still ie 1642, 1758, 1942 |