| Date: | 2021-04-15 |
| Time: | 1504 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m42s |
| Standardized Duration: | 4m 42s |
| Time Entered: | 2021-04-15 15:05:17 |
| Time Updated: | 2021-04-15 15:12:41 |
| Time Uploaded: | 2021-04-15 15:12:41 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | 1504:42; prediction GT 1453 |