| Date: | 2015-09-26 |
| Time: | 1525 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m |
| Standardized Duration: | ~4m |
| Time Entered: | 2015-09-26 15:25:26 |
| Time Updated: | 2015-09-26 17:30:27 |
| Time Uploaded: | 2019-05-13 21:49:32 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from early 1525 to early 1529. |