| Date: | 2019-06-11 |
| Time: | 1143 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m50s |
| Standardized Duration: | ~4m 50s |
| Time Entered: | 2019-06-11 11:44:33 |
| Time Updated: | 2019-06-11 11:48:49 |
| Time Uploaded: | 2019-06-11 11:48:49 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | prediction GT 1137 | NPS 1134; didn't commit to an eruption until about ~30s+ after preplay started |