| Date: | 2018-08-20 |
| Time: | 1732 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 7 minutes |
| Standardized Duration: | 7m |
| Time Entered: | 2018-08-20 17:49:28 |
| Time Uploaded: | 2019-05-13 21:43:51 |
| Entrant: | Bijoumonkey |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | 7 minutes with a 6 minute restart. Mastiff mostly flat with a couple 3-4 ft surges at about the 6 minute mark. |