| Date: | 2016-07-04 |
| Time: | 1150 |
| Geyser: | UNNG-OSG-12 |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2016-07-04 21:38:23 |
| Time Uploaded: | 2016-07-04 21:38:23 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from 1150 to early 1151. |
| Clip 8 of this video compilation (time stamp 2:59) shows Concussion Geyser's 11:50 to 11:51 AM eruption on 4 July 2016. |