| Date: | 2021-07-27 |
| Time: | 1027 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 2m 48s |
| Standardized Duration: | 2m 48s |
| Time Entered: | 2021-07-27 10:31:03 |
| Time Updated: | 2021-07-27 11:33:15 |
| Time Uploaded: | 2021-07-27 19:02:53 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | Pool boiling vigorously pre eruption. closed interval. |