| Date: | 1975-07-17 |
| Time: | 1404 |
| Geyser: | Echinus |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 6m |
| Standardized Duration: | 6m |
| Time Entered: | 2017-09-02 07:01:03 |
| Time Uploaded: | 2019-05-13 21:46:04 |
| Entrant: | research-mab |
| Observer: | 1975 Log |
| Submitted to: | |
| Comments: | had a weird cycle- pool was calm then there was a violent burst of about 4’. Then it settled down no bubbling. Water level was below indicator rock. About 2 min later an eruption took place quite abruptly with no previous boiling {usual action} |