| Date: | 2018-06-05 |
| Time: | 1842 |
| Geyser: | Mugwump |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2018-06-05 21:52:15 |
| Time Uploaded: | 2018-06-05 21:52:15 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Burst a little past mid-1842, with thumping. No second burst. |