| Date: | 1973-05-09 |
| Time: | 1815 |
| Geyser: | Echinus |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m34s |
| Standardized Duration: | 3m 34s |
| Time Entered: | 2017-09-08 07:43:00 |
| Time Uploaded: | 2019-05-13 21:49:28 |
| Entrant: | research-mab |
| Observer: | 1973 log R.Hutchinson |
| Submitted to: | |
| Comments: | estimated maximum height was about 60 feet in spite of the strong wind shear. There was a brief ~ 3-4 second~ pause in the eruption & quickly resumed to full force |