| Date: | 1977-04-20 |
| Time: | 1123 |
| Geyser: | Plume |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 70s |
| Standardized Duration: | 1m 10s |
| Time Entered: | 2012-10-05 14:47:30 |
| Time Uploaded: | 2019-05-13 21:47:38 |
| Entrant: | BoekelUpload |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | 3 1/2b;8.7s.6.7pause 9.6s 11.2s pause 7.6s 20.2s pause 7.0s |