| Date: | 2017-12-11 |
| Time: | 1649 ns |
| Geyser: | Riverside |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-12-11 21:23:03 |
| Time Updated: | 2017-12-11 21:28:12 |
| Time Uploaded: | 2017-12-11 21:26:46 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | Time from GOSA playback. Not erupting at early 1648. Off-camera start at later 1648 or early 1649. |