| Date: | 2021-06-19 |
| Time: | 0640 |
| Geyser: | Riverside |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-06-19 06:41:23 |
| Time Updated: | 2021-06-19 06:46:33 |
| Time Uploaded: | 2021-06-19 06:46:40 |
| Entrant: | RMichaels |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Large surge from main vent to start eruption, with only a small splash above the rim of keyhole vent before start. |