| Date: | 2018-06-15 |
| Time: | 1634 |
| Geyser: | East Mustard |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~4m |
| Standardized Duration: | ~4m |
| Time Entered: | 2018-06-15 19:32:01 |
| Time Uploaded: | 2019-05-13 21:37:53 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Eruption from late 1734 to late 1738. |