| Date: | 2021-05-30 |
| Time: | 1816 |
| Geyser: | UNNG-TGG-1 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-05-31 00:03:26 |
| Time Uploaded: | 2021-05-31 00:03:26 |
| Entrant: | JSJ |
| Observer: | James St. John & Micah Kipple |
| Submitted to: | |
| Comments: | "East Tangled Geyser"; eruption from 1816 to late 1817. |