Operating. . .
| Geyser: | Event Non-Geyser Related |
| Date/Time: | 2021-10-02 @ 1748 |
| Entrant: | JSJ |
| Observer: | |
| Time Entered: | 2021-10-02 18:49:35 |
| Time Uploaded: | 2021-10-02 18:49:35 |
| Submitted to: | Geysertimes.org |
| Note: | Shock waves from a magnitude 4.0 earthquake in Idaho's Sawtooth Range arrived at Yellowstone's seismic network. |