| Date: | 2017-10-15 |
| Time: | 1115 |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-10-15 12:23:02 |
| Time Uploaded: | 2017-10-15 12:23:02 |
| Entrant: | billwarnock |
| Observer: | |
| Submitted to: | |
| Comments: | P=8. Massive 1st phase eruption with bright sun, huge high bursts, and long steam trails. 2nd and 3rd phases modest. Left toward end of 3rd. |