| Date: | 2021-05-07 |
| Time: | 1121:42 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ≥3m52s |
| Time Entered: | 2021-05-07 11:22:46 |
| Time Updated: | 2021-05-07 11:28:58 |
| Time Uploaded: | 2021-05-07 11:28:59 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1124 | NPS 1121 |