| Date: | 2021-08-22 |
| Time: | 1644 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 52s |
| Standardized Duration: | 52s |
| Time Entered: | 2021-08-22 16:49:15 |
| Time Uploaded: | 2021-08-22 17:47:17 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | NP bursts to 8'. eruption slowed @36s, pool receded, boil diminished and refill begins almost immediately. Alcove splashes to 2' |