| Date: | 2019-04-19 |
| Time: | 1536 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m25s |
| Standardized Duration: | >3m 25s |
| Time Entered: | 2019-04-19 15:36:38 |
| Time Updated: | 2019-04-19 17:11:58 |
| Time Uploaded: | 2019-05-13 21:49:01 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | prediction GT 1534 | NPS 1531; huge preplay @ 1535 continueing into 1536 |