| Date: | 2020-07-22 |
| Time: | 0019 E |
| Geyser: | Event Non-Geyser Related |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2020-07-22 01:43:32 |
| Time Updated: | 2020-07-22 02:18:14 |
| Time Uploaded: | 2020-07-22 02:18:14 |
| Entrant: | JSJ |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Shock waves from a 7.8 magnitude, subduction zone earthquake in Alaska arrived at Yellowstone's seismic network. Took ~6.5 minutes to get here after the quake hit. See attachment. |
| https://www.flickr.com/photos/jsjgeology/50139308603 | Six Yellowstone area seismograms showing the 7.8 magnitude earthquake that hit Alaska in July 2020. | Entrant: JSJ Time Entered:2020-07-22 02:19:02 Time Updated:2020-07-22 05:41:20 Time Uploaded:2020-07-22 05:41:20 Submitted to:Geysertimes.org |