| Date: | 2021-04-20 |
| Time: | 1244 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-04-20 14:15:30 |
| Time Updated: | 2021-04-20 14:28:07 |
| Time Uploaded: | 2021-04-20 14:28:20 |
| Entrant: | K.Cooper |
| Observer: | |
| Submitted to: | |
| Comments: | Remember an eruption around this time, then calculated based from NPS prediction of 1418 |