| Date: | 2006-04-23 |
| Time: | 1122 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 11m |
| Standardized Duration: | 11m |
| Time Entered: | 2013-07-13 22:30:59 |
| Time Uploaded: | 2019-05-13 21:47:10 |
| Entrant: | Tara |
| Observer: | Paul Strasser |
| Submitted to: | Geysertimes.org |
| Comments: | 8 minutes after previous strange hot period, water rose in Mastiff and Bijou paused. A more normal hot period followed. Mastiff had episodes of strong surging to as high as 10 feet. Mastiff 1131, Giant 1133. |