| Date: | 1984-06-12 |
| Time: | 2350 |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-10-03 07:30:34 |
| Time Uploaded: | 2017-10-03 21:36:27 |
| Entrant: | research-mab |
| Observer: | Hutchinson Field Notes - box 74 |
| Submitted to: | |
| Comments: | 6-14-84 Steamboat erupted at ~2350 on 6/12/84 with a water phase of approximately 17 minutes duration. Sand & small gravel sized white altered tuff was thrown {342 ft} 104m to the northwest & displaced pine needles caused by heavy cascading water was measured 115m (378 ft |