| Date: | 2021-08-21 |
| Time: | 1753:14 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m 24s |
| Standardized Duration: | ~4m 24s |
| Time Entered: | 2021-08-21 17:53:48 |
| Time Updated: | 2021-08-21 18:04:04 |
| Time Uploaded: | 2021-08-21 18:04:05 |
| Entrant: | SantaFe108 |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Prediction: NPS 18:15 / Forgot to record GT prediction, but it erupted within its window. |