| Date: | 2021-09-16 |
| Time: | 0940 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 1m 15s |
| Standardized Duration: | 1m 15s |
| Time Entered: | 2021-09-16 09:42:24 |
| Time Uploaded: | 2021-09-16 14:42:10 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | strong & tall NP eruptions. max height 8'. Nice 3' Alcove eruptions. |