| Date: | 1977-04-15 |
| Time: | 1030 |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2012-10-05 13:54:18 |
| Time Uploaded: | 2012-10-05 13:54:18 |
| Entrant: | BoekelUpload |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | VR;approx time;pre eruption boiling surges |