| Date: | 1988-06-22 |
| Time: | 1358 |
| Geyser: | Steamvalve Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 5m |
| Standardized Duration: | 5m |
| Time Entered: | 2017-07-29 14:14:06 |
| Time Uploaded: | 2019-05-13 21:48:12 |
| Entrant: | research-mab |
| Observer: | Geo box 8 1988 |
| Submitted to: | |
| Comments: | Eruption to ~10 ft Pool drained to ~10 inches below the level of the run-off channel |