| Date: | 2017-10-21 |
| Time: | 1235 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m25s < d < 3m35s |
| Time Entered: | 2017-10-21 12:36:21 |
| Time Updated: | 2017-10-21 12:40:11 |
| Time Uploaded: | 2017-10-21 12:40:11 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | preplay likely none; prediction GT 1244 | NPS 1245 |