| Date: | 2016-08-09 |
| Time: | 1550 |
| Geyser: | UNNG-TGG-1 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2016-08-09 22:27:57 |
| Time Uploaded: | 2016-08-09 22:27:57 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from late 1550 to early 1551. |