Note 18988

Geyser:Event Non-Geyser Related
Date/Time:2021-08-22 @ 1552
Time Entered:2021-08-22 16:23:50
Time Updated:2021-08-22 19:21:17
Time Uploaded:2021-08-22 19:21:18
Note:Shock waves from a magnitude 7.1 earthquake that hit the South Sandwich Trench area in the far-southern Atlantic Ocean arrived at Yellowstone's seismic network. Waves took ~19 minutes to get here.

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