| Date: | 2015-09-22 |
| Time: | 1254 |
| Geyser: | Vixen |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 3m1s |
| Standardized Duration: | 3m 1s |
| Time Entered: | 2015-09-22 22:35:37 |
| Time Updated: | 2015-09-22 23:51:55 |
| Time Uploaded: | 2019-05-13 21:49:08 |
| Entrant: | MAB |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | I will call this a major based on the current activity, and the old guideline (pre-dating the current behavior that started 10/2013) that a major produced runoff. It has been a while since 3 minutes would have been called a major! |