| Date: | 2011-08-16 |
| Time: | 1648 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10m43s |
| Standardized Duration: | 10m 43s |
| Grand Code: | D12/T1Q |
| Time Entered: | 2011-08-16 19:34:25 |
| Time Uploaded: | 2019-05-13 21:41:24 |
| Entrant: | Graham |
| Observer: | MBS listserve report |
| Submitted to: | |
| Comments: | (D12/T1Q) |