| Date: | 2006-04-28 |
| Time: | 2038 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 6m |
| Standardized Duration: | 6m |
| Time Entered: | 2013-07-13 22:45:58 |
| Time Updated: | 2013-07-13 22:57:12 |
| Time Uploaded: | 2019-05-13 21:41:17 |
| Entrant: | Tara |
| Observer: | Matthew McLean |
| Submitted to: | Geysertimes.org |
| Comments: | First hot period after marathon. Mastiff surged to 10 feet. |