| Date: | 2021-09-11 |
| Time: | 1424 |
| Geyser: | Whirligig |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 8m46s |
| Standardized Duration: | 8m 46s |
| Time Entered: | 2021-09-11 14:35:36 |
| Time Uploaded: | 2022-02-22 13:24:34 |
| Entrant: | Graham |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Slow start before the main vent committed to erupt. Two burst eruption. The eruption almost stopped but then came back on full strength. |