| Date: | 2018-09-16 |
| Time: | 0616 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m55s |
| Standardized Duration: | 3m 55s |
| Time Entered: | 2018-09-16 06:21:58 |
| Time Uploaded: | 2019-05-13 21:40:48 |
| Entrant: | Graham |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Feather and SW vents. No Mastiff overflow. |