Deciding. . .
| Geyser: | Event Non-Geyser Related |
| Date/Time: | 2021-01-21 @ 0537 |
| Entrant: | JSJ |
| Observer: | |
| Time Entered: | 2021-01-21 14:42:30 |
| Time Uploaded: | 2021-01-21 14:42:30 |
| Submitted to: | Geysertimes.org |
| Note: | Shock waves from a magnitude 7.0 subduction zone earthquake near the Philippines arrived at Yellowstone's seismic network. See: https://www.flickr.com/photos/jsjgeology/50860115193 |