| Date: | 1987-05-02 |
| Time: | 1810 |
| Geyser: | Dark Cavern |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Minor |
| Duration: | |
| Time Entered: | 2023-12-27 10:04:32 |
| Time Uploaded: | 2023-12-27 10:04:32 |
| Entrant: | research-mab |
| Observer: | M Keller Spring 1987 report |
| Submitted to: | Geysertimes.org |
| Comments: | The 18:07 eruption was a “major” because the pool filled. Height was the same and each minor totaled 20 – 30 seconds with the major 1 minute |