Now THAT was an earthquake!
(1:57 am CDT.)
(but it didn't have the minute or so of residual shaking.)

Please feel free to place this observation on the correct thread. =)

No wonder you say THAT was an earthquake! It was a stronger one than usual. 4.3, located 7.3 miles ENE of Luther.
Oklahoma Earthquake Page (http://stillwaterweather.com/okareaearthquakes.php)