Saturday, September 21, 2013

Shake, rattle, and roll!  At 1:10:43 pm yesterday, there was a magnitude 3.8 earthquake just north of Borrego Springs (at the blue dot on the map at right).  We felt nothing.  That's about 47 miles from our home, and the seismic waves from it got to our house about 12 seconds later (as you can see on the seismograph at right, from the USGS seismometer in our home).

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