| Date: | 2017-12-20 |
| Time: | 0243 |
| Geyser: | Split Cone |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2017-12-20 10:59:51 |
| Time Updated: | 2017-12-20 11:01:37 |
| Time Uploaded: | 2017-12-20 11:01:19 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | |
| Comments: | First Split Cone activity since the 1644 eruption yesterday. Relatively weak eruption. |