| Date: | 2021-08-22 |
| Time: | 1537 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 1m 21s |
| Standardized Duration: | 1m 21s |
| Time Entered: | 2021-08-22 15:41:15 |
| Time Uploaded: | 2021-08-22 17:47:17 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | NP> 8' bursts! pool receded 3", boil subsided. Alcove spray to 3'. Short duration but major eruption for a spring! |