| Date: | 1964-06-20 |
| Time: | 1350 |
| Geyser: | Echinus |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 4m |
| Standardized Duration: | 4m |
| Time Entered: | 2017-09-18 19:06:38 |
| Time Uploaded: | 2023-12-24 13:25:22 |
| Entrant: | research-mab |
| Observer: | 1964 log [Geo Box 2] |
| Submitted to: | Geysertimes.org |
| Comments: | 126 bursts were counted. Several bursts were ~~50 ft. The overflow reached the creek & was flowing steadily for several minutes before the eruption. |