Calculating. . .
| Geyser: | Event Non-Geyser Related |
| Date/Time: | 2020-12-27 @ 1452 |
| Entrant: | JSJ |
| Observer: | |
| Time Entered: | 2020-12-27 20:37:15 |
| Time Updated: | 2020-12-27 20:41:05 |
| Time Uploaded: | 2020-12-27 20:41:05 |
| Submitted to: | Geysertimes.org |
| Note: | Shock waves from a magnitude 6.7 subduction zone earthquake that hit offshore Chile arrived at Yellowstone's seismic network. Good surface waves signal from 1530 to 1543. See: https://www.flickr.com/photos/jsjgeology/50769435092 |