| Date: | 2015-12-20 |
| Time: | 1611 |
| Geyser: | Lion |
| Webcam: | Yes |
| Initial: | Yes |
| Major/Minor: | N/A |
| Duration: | ~7m |
| Standardized Duration: | ~7m |
| Time Entered: | 2015-12-20 16:12:14 |
| Time Updated: | 2015-12-20 21:48:11 |
| Time Uploaded: | 2019-05-13 21:43:30 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Steam-dominated at late 1617 to 1618-onward. No more eruptions after - this was a "series" of one. |