| Date: | 2018-09-21 |
| Time: | 1455 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m28s |
| Standardized Duration: | ~4m 28s |
| Time Entered: | 2018-09-21 14:56:20 |
| Time Updated: | 2018-09-21 15:00:42 |
| Time Uploaded: | 2019-05-13 21:47:07 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1506 | NPS 1503 |