Operating. . .
| Geyser: | Event Non-Geyser Related |
| Date/Time: | 2021-09-24 @ 0600 |
| Entrant: | JSJ |
| Observer: | |
| Time Entered: | 2021-09-24 07:21:23 |
| Time Uploaded: | 2021-09-24 07:21:23 |
| Submitted to: | Geysertimes.org |
| Note: | Shock waves from a magnitude 6.1 subduction zone earthquake that hit Alaska's Aleutians Islands arrived at Yellowstone's seismic network. |