| Date: | 1993-09-11 |
| Time: | 1502 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2019-07-05 11:31:57 |
| Time Uploaded: | 2019-07-05 11:32:00 |
| Entrant: | JarnoO |
| Observer: | OFVCL-EV |
| Submitted to: | Geysertimes.org |
| Comments: | marathon; 1993-09-12: end ~0819 |