| Date: | 2015-05-23 |
| Time: | 0938 |
| Geyser: | UNNG-WDG-1 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m30s |
| Standardized Duration: | 3m 30s |
| Time Entered: | 2015-05-24 18:26:52 |
| Time Uploaded: | 2019-05-13 21:38:07 |
| Entrant: | LynnS |
| Observer: | LynnS, Cassidy and Connor Howard |
| Submitted to: | |
| Comments: | No visible activity prior to the start of the eruption other than the few seconds warning of slight steam from the crater. |