| Date: | 1987-06-28 |
| Time: | 1217 |
| Geyser: | Echinus |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | 30m |
| Standardized Duration: | 30m |
| Time Entered: | 2021-11-27 21:11:44 |
| Time Uploaded: | 2021-11-27 21:11:45 |
| Entrant: | research-mab |
| Observer: | 1987 Annual Rept |
| Submitted to: | Geysertimes.org |
| Comments: | followed by 1 minute minor releases at 1:58 and 2:24 – by 7/11 was “wildly eruptive” during disturbance – see Notes 7-7 and 8-1 for more information |