| Date: | 2018-05-31 |
| Time: | 1743 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | <2m |
| Standardized Duration: | <2m |
| Time Entered: | 2018-05-31 17:47:50 |
| Time Uploaded: | 2019-05-13 21:44:24 |
| Entrant: | Graham |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Mastiff came up fast to full. SW vents on 1741. Feather but no Satellite. |