| Date: | 2019-05-21 |
| Time: | 0537 E |
| Geyser: | Castle |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Minor |
| Duration: | |
| Time Entered: | 2019-05-21 14:54:25 |
| Time Uploaded: | 2019-05-21 14:54:25 |
| Entrant: | mhvogel |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | The length of the eruption on the graph showed a duration of 10-12 minutes. The spike on the graph was narrow which indicates it was a minor eruption. |