| Date: | 2018-08-18 |
| Time: | 1621 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~45m |
| Standardized Duration: | ~45m |
| Time Entered: | 2018-08-18 16:23:14 |
| Time Updated: | 2018-08-18 20:35:55 |
| Time Uploaded: | 2019-05-13 21:48:31 |
| Entrant: | Tara |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Off during 1706 hot period, did not see if Rocket erupted due to rain. |