| Date: | 2024-07-09 |
| Time: | 0154 ie |
| Geyser: | Castle |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2024-07-09 07:01:06 |
| Time Updated: | 2024-07-09 07:04:24 |
| Time Uploaded: | 2024-07-09 07:04:25 |
| Entrant: | JarnoO |
| Observer: | GOSA Overnight Captures (and a helpful flashlight) |
| Submitted to: | Geysertimes.org |
| Comments: | major based on 0606 note; the light on the plume, which had been flickering since 0154, became constant at 0212 - probably the time it turned to steam (and therefore 0154 could be the start) |