There have been many significant #earthquakes in North America this month. IRIS Station #E1TX and Raspberry Shake Station #R5DDF have recorded events in California, Mexico and Alaska. Images shown below, some filters have been applied. Shown first is a magnitude M4.8 earthquake on 12/19/2021 at 10:27 UTC near La Libertad, Mexico.
Also recorded, a magnitude M6.2 on 12/20/2021 at 20:10 UTC near Petrolia, CA
A magnitude M5.9 earthquake on 12/21/2021 at 22:42 UTC near Port Alsworth, Alaska
And most recently, a magnitude M6.0 12/22/2021 at 23:22 UTC near La Cruz de Loreto, Mexico