| Date: | 2020-10-14 |
| Time: | 1309 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m36s |
| Standardized Duration: | 4m 36s |
| Time Entered: | 2020-10-14 13:09:40 |
| Time Updated: | 2020-10-14 13:21:29 |
| Time Uploaded: | 2020-10-14 13:21:29 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | 1309:10; prediction GT 1317 | NPS 1315; had extended end of eruption water which did not abate until 4m36s, some 33s after it started - usually eruptions would've quit within 10-15s of this starting |