| Date: | 2015-12-23 |
| Time: | 1645 |
| Geyser: | Grand |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~12m |
| Standardized Duration: | ~12m |
| Grand Code: | T2*Q |
| Time Entered: | 2015-12-23 16:47:10 |
| Time Updated: | 2015-12-23 19:02:25 |
| Time Uploaded: | 2019-05-13 21:44:22 |
| Entrant: | Tara |
| Observer: | Tara & a few visitors |
| Submitted to: | GeyserTimes for Android |
| Comments: | Great steam trails and lovely, tall second burst. Eruption started during a beautiful pink sunset. Too steamy to see Vent. |