| Date: | 2019-05-03 |
| Time: | 1132 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2019-05-03 11:18:37 |
| Time Updated: | 2019-05-03 12:06:00 |
| Time Uploaded: | 2019-05-03 12:06:36 |
| Entrant: | RLJones |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Grotto eruption was preceded by Grotto Fountain at 1116 and South Grotto Fountain at 1127 |