| Date: | 2018-06-01 |
| Time: | 1939 |
| Geyser: | UNNG-WDG-1 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~12s |
| Standardized Duration: | ~12s |
| Time Entered: | 2018-06-01 22:03:57 |
| Time Uploaded: | 2019-05-13 21:45:42 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from 1939 + ~44s to 1939 + ~56s. |