| Date: | 1996-09-06 |
| Time: | 1557 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~15h50m |
| Standardized Duration: | ~15h 50m |
| Time Entered: | 2020-08-03 15:01:50 |
| Time Uploaded: | 2020-08-03 15:01:51 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | |
| Comments: | marathon; 1996-09-07: end of marathon between 0715 and 0750 |