| Date: | 2021-05-27 |
| Time: | 1911 |
| Geyser: | Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 27m29s |
| Standardized Duration: | 27m 29s |
| Time Entered: | 2021-05-27 22:10:23 |
| Time Uploaded: | 2021-05-27 22:10:23 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Eruption from 1911 + 24s to 1938 + 53s; closed interval with previous eruption of 8 hours and 7 minutes. |