| Date: | 2018-05-15 |
| Time: | 1524 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m59s |
| Standardized Duration: | >3m 59s |
| Time Entered: | 2018-05-15 15:24:37 |
| Time Updated: | 2018-05-15 15:28:16 |
| Time Uploaded: | 2019-05-13 21:36:36 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | prediction GT 1521 | NPS 1517 |