| Date: | 2021-08-23 |
| Time: | 1918:09 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 9m30s |
| Standardized Duration: | 9m 30s |
| Grand Code: | G1C |
| Time Entered: | 2021-08-23 19:18:10 |
| Time Updated: | 2021-08-23 19:40:21 |
| Time Uploaded: | 2021-08-23 19:40:22 |
| Entrant: | hkoenig |
| Observer: | Heinrich Koenig |
| Submitted to: | GeyserLog (iOS) |
| Comments: | 19:18:09 B1 --- d=9m30s 19:18:50 Vent Ovfl 0m41s 19:19:04 Turban 0m54s 19:21:37 Vent 3m28s 19:27:39 P1 9m30s |