| Date: | 2015-09-21 |
| Time: | 1426 |
| Geyser: | Vixen |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m25s |
| Standardized Duration: | 3m 25s |
| Time Entered: | 2015-09-21 21:13:33 |
| Time Uploaded: | 2019-05-13 21:47:58 |
| Entrant: | MAB |
| Observer: | |
| Submitted to: | |
| Comments: | longest duration I saw, so it seemed normal - - I was not prepared for what came next! Crazy. Maybe the days of a 3 min eruption as "major" have returned. |