| Date: | 1965-08-29 |
| Time: | 0015 |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-09-23 14:53:04 |
| Time Uploaded: | 2017-10-02 14:28:47 |
| Entrant: | research-mab |
| Observer: | 1965 log |
| Submitted to: | |
| Comments: | MAJOR ERUPTION 1215 am. Mrs. Hazel E. Decker was first person on scene. She had been waiting for 42 days. She reported the water phase lasted for 10 minutes in the No. vent. The water phase in the So. Vent lasted for 60 min. Water spray froze on the trees. |