| Date: | 2012-10-21 |
| Time: | 1115 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 10 min 30 sec |
| Standardized Duration: | 10m 30s |
| Grand Code: | T1C |
| Time Entered: | 2012-10-21 17:34:00 |
| Time Uploaded: | 2019-05-13 21:34:50 |
| Entrant: | Maureen |
| Observer: | Maureen, Kitt, and Polly |
| Submitted to: | Geysertimes.org |
| Comments: | T1C. Nice waves, good eruption, though we were hoping for a second. Vent stopped and then restarted, and went very high for 2-3 minutes after Grand was all over. FUN. |