| Date: | 2018-06-05 |
| Time: | 1825 |
| Geyser: | Mugwump |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2018-06-05 21:51:23 |
| Time Updated: | 2018-06-05 21:52:40 |
| Time Uploaded: | 2018-06-05 21:52:41 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | First burst during the first quarter of 1825, with thumps. Second burst (great!) at late 1825 to earliest 1826, with thumps. |