| Date: | 2012-09-17 |
| Time: | 1326 |
| Geyser: | Fan and Mortar |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2012-09-17 20:38:32 |
| Time Updated: | 2012-09-19 16:31:23 |
| Time Uploaded: | 2012-09-19 16:31:23 |
| Entrant: | Graham |
| Observer: | Andy Evans listserve report |
| Submitted to: | Geysertimes.org |
| Comments: | Per Barbaras listserve report: Mortar started the eruption, with high in lock, followed immediately by Fan. |