| Date: | 2015-08-14 |
| Time: | 1151 |
| Geyser: | Old Faithful |
| Webcam: | No |
| Initial: | No |
| Long/Short: | N/A |
| Duration: | ~3m |
| Standardized Duration: | ~3m |
| Time Entered: | 2015-08-18 19:39:46 |
| Time Uploaded: | 2019-05-13 21:44:10 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from late 1151 to 1155. |