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nadinbrzezinski

(154,021 posts)
Wed Apr 9, 2014, 09:46 PM Apr 2014

Not that I felt any shaking (Southern California it was not a quake)

USGS ?@USGS 2h
Update for S. California: sonic boom is being investigated as likely cause of perceived shaking.
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USGS ?@USGS 2h
Southern California: We're not showing anything. Use our Unknown Event form to make a report. Thanks. http://on.doi.gov/1lDjxUg

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