| Date: | 2015-05-15 |
| Time: | 1320 |
| Geyser: | Tardy |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >1 minute, 30 seconds |
| Standardized Duration: | >1m 30s |
| Time Entered: | 2015-05-15 22:54:12 |
| Time Uploaded: | 2019-05-13 21:44:12 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Eruption from early 1320 to 1321 + 45 seconds. |