| Date: | 2015-08-14 |
| Time: | 1839 |
| Geyser: | Dog Bone |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~2m |
| Standardized Duration: | ~2m |
| Time Entered: | 2015-08-18 20:22:15 |
| Time Updated: | 2015-09-29 00:50:11 |
| Time Uploaded: | 2019-05-13 21:41:15 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from 1839 to 1841. Splashing from non-full vents. Tardy cycle activity. |