| Date: | 1973-04-27 |
| Time: | 1509 |
| Geyser: | Echinus |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m39s |
| Standardized Duration: | 3m 39s |
| Time Entered: | 2017-09-08 07:41:33 |
| Time Uploaded: | 2019-05-13 21:45:07 |
| Entrant: | research-mab |
| Observer: | 1973 log R.Hutchinson |
| Submitted to: | |
| Comments: | interval increasing between eruptions again |