| Date: | 2018-08-12 |
| Time: | 1019 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~4h21m |
| Standardized Duration: | ~4h 21m |
| Time Entered: | 2018-08-12 10:21:30 |
| Time Updated: | 2018-08-12 14:52:41 |
| Time Uploaded: | 2019-05-13 21:37:15 |
| Entrant: | Tara |
| Observer: | Tom C |
| Submitted to: | GeyserTimes for Android |
| Comments: | End ~1440. |