| Date: | 1997-06-27 |
| Time: | 1507 E |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10h02m |
| Standardized Duration: | 10h 2m |
| Time Entered: | 2020-08-29 10:22:05 |
| Time Uploaded: | 2020-08-29 10:22:09 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | |
| Comments: | 1997-06-28: still is in marathon @ 0055; not ie 0230 |