| Date: | 2006-08-18 |
| Time: | 2133 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~2m |
| Standardized Duration: | ~2m |
| Time Entered: | 2015-05-05 02:33:14 |
| Time Updated: | 2015-05-05 02:37:57 |
| Time Uploaded: | 2019-05-13 21:41:09 |
| Entrant: | Tara |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Mastiff did not overflow; Feather, Feather Satellite, and SW Vents only. |