| Date: | 2015-12-22 |
| Time: | 1835 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m |
| Standardized Duration: | ~4m |
| Time Entered: | 2015-12-22 18:36:11 |
| Time Updated: | 2015-12-22 20:41:15 |
| Time Uploaded: | 2019-05-13 21:38:01 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Eruption start at late 1835. Apparently done at late 1839 (= last visible small water spouting). |