Learn more about the M4.4 earthquake 13km WNW of Toms Place, CA at 10:36 am on 2/1. A #ShakeAlert was issued. See: earthquake.usgs.gov/earthquakes/ev…
Take a look at the #ShakeAlert Post-Alert Summary.
earthquake.usgs.gov/earthquakes/ev…
Would have Apps like #QuakeAlertUSA or @MyShakeApp delivered an alert to cell phones? Look at previous tweets for clues. @Cal_OES @BerkeleySeismo @EarlyWarningLab
@MyShakeApp @Cal_OES @BerkeleySeismo @EarlyWarningLab Feel free to provide an answer :)
@MyShakeApp @Cal_OES @BerkeleySeismo @EarlyWarningLab Thanks @AndyS_Research & @EarlyWarningLab for your replies! Since the *estimated* magnitude from the #ShakeAlert system for this quake was M4.5+ both #QuakeAlertUSA and @MyShakeApp distributed alerts to users who could feel weak shaking (MMI 3) or greater at their locations.
Check out the MMI 3 boundary on the map at: earthquake.usgs.gov/earthquakes/ev…. Thanks for following #ShakeAlert!
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