| Date: | 1977-05-15 |
| Time: | 1730 |
| Geyser: | Castle |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 16m |
| Standardized Duration: | 16m |
| Time Entered: | 2012-10-07 15:30:39 |
| Time Uploaded: | 2019-05-13 21:35:14 |
| Entrant: | BoekelUpload |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | 9min preplay |