A large, preliminary magnitude M6.4 #earthquake occurred this morning, 12/20/2022 at 10:34 UTC, in Northern #California. The event was detected and partially recorded here in Spring, TX, at #RaspberryShake Station #R5DDF.
ShakeAlert – the Early Earthquake Warning System for the Western US – was activated and **did** send out shaking alerts to all registered community members within the anticipated higher-intensity locations. See the images below for the preliminary report found on the USGS website.
DYFI (Did you feel it?) Report your shaking experience and observations to the USGS, go here –>> https://earthquake.usgs.gov/…/nc73821036/dyfi/intensity