| Date: | 2006-04-30 |
| Time: | 2200 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m |
| Standardized Duration: | 3m |
| Time Entered: | 2013-07-13 23:19:44 |
| Time Uploaded: | 2019-05-13 21:47:49 |
| Entrant: | Tara |
| Observer: | Andrew Bunning |
| Submitted to: | Geysertimes.org |
| Comments: | Mastiff erupted at 2203 for 30-40 seconds before everything on the platform stopped and Bijou turned on. Mastiff was quiet for about 2 minutes before Feather restarted. See 2207 hot period for details. |