| Date: | 1964-08-08 |
| Time: | 2110 |
| Geyser: | Steamboat |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | ~30m |
| Standardized Duration: | ~30m |
| Time Entered: | 2017-09-18 19:15:55 |
| Time Updated: | 2018-09-21 06:38:17 |
| Time Uploaded: | 2019-05-13 21:45:15 |
| Entrant: | research-mab |
| Observer: | 1964 log [Geo Box 2] |
| Submitted to: | |
| Comments: | Nearly 50 people observed the first hour of the eruption. Checked Cistern about 930 it was not boiling . A large amount of water from Steamboat had drained into Cistern. I think this may have cooled the pool so that it did not boil for a short time |