Performing. . .
| Geyser: | Event Non-Geyser Related |
| Date/Time: | 2021-12-21 @ 1548 |
| Entrant: | JSJ |
| Observer: | |
| Time Entered: | 2021-12-21 21:19:46 |
| Time Uploaded: | 2021-12-21 21:19:46 |
| Submitted to: | |
| Note: | Shock waves from a magnitude 5.9 earthquake that hit southern Alaska arrived at Yellowstone's seismic network. |