| Date: | 1983-05-21 |
| Time: | 0951 |
| Geyser: | Bear Den |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m32s |
| Standardized Duration: | 3m 32s |
| Time Entered: | 2017-07-21 00:03:20 |
| Time Uploaded: | 2019-05-13 21:37:06 |
| Entrant: | research-mab |
| Observer: | Geo box 8 |
| Submitted to: | Geysertimes.org |
| Comments: | 14 bursts- all bursts were small except #5 and #8- Ebony resumed chugging at 0956 |