| Date: | 1964-08-15 |
| Time: | 1732 |
| Geyser: | Bear Den |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 3m |
| Standardized Duration: | 3m |
| Time Entered: | 2017-09-18 19:15:55 |
| Time Uploaded: | 2019-05-13 21:38:13 |
| Entrant: | research-mab |
| Observer: | 1964 log [Geo Box 2] |
| Submitted to: | |
| Comments: | Ebony had minor eruption at 1731 ~ 45sec later Bear Den went 15-20 ft. Note: First use of Bear Den name |