| Date: | 2018-09-28 |
| Time: | 1813 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 1m40s |
| Standardized Duration: | 1m 40s |
| Time Entered: | 2018-09-28 18:17:13 |
| Time Uploaded: | 2019-05-13 21:49:04 |
| Entrant: | Graham |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | SW vents, Feather, Feather Satellite. Mastiff close to overflow but did not overflow. |