| Date: | 2018-07-11 |
| Time: | 0548 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | N/A |
| Duration: | <3m25s |
| Standardized Duration: | <3m 25s |
| Time Entered: | 2018-07-11 05:49:05 |
| Time Updated: | 2018-07-11 05:53:51 |
| Time Uploaded: | 2019-05-13 21:39:37 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0550; seems to be at most a medium |