| Date: | 2019-08-09 |
| Time: | 0942 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~ 5 hours |
| Standardized Duration: | ~ |
| Time Entered: | 2019-08-09 09:42:42 |
| Time Updated: | 2019-08-09 15:18:15 |
| Time Uploaded: | 2019-08-09 15:39:33 |
| Entrant: | RMichaels |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Eruption ended between 1430 and 1500. |