| Date: | 2021-09-18 |
| Time: | 0250 |
| Geyser: | Castle |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2021-09-18 03:15:07 |
| Time Uploaded: | 2021-09-18 03:15:48 |
| Entrant: | Art-P |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | gt was down at eruption |