| Date: | 2017-07-31 |
| Time: | 1646 |
| Geyser: | Turban |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~34m |
| Standardized Duration: | ~34m |
| Time Entered: | 2017-07-31 23:22:06 |
| Time Updated: | 2017-07-31 21:24:59 |
| Time Uploaded: | 2019-05-13 21:35:39 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from 1646 to 1720. Long-duration eruption post-Grand. |