| Date: | 2021-08-22 |
| Time: | 1558 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 1m 27s |
| Standardized Duration: | 1m 27s |
| Time Entered: | 2021-08-22 16:03:24 |
| Time Uploaded: | 2021-08-22 17:47:17 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | NP > 6' bursts, pool only receded 1", maintained substantial boil. Alcove pool really rose this eruption, up to the rock shelf. bursts to 1'. |