THIS MORNING – OREGON! – a M6.3 Earthquake shook the US Pacific NW

This morning,  a LARGE preliminary #magnitude M6.3 #earthquake struck off the coast of #Oregon at 8:07 am CST.  Ground motion was felt in many different cities, including Eugene and Portland. There is no tsunami risk. #RaspberryShake Station RAD87, operated by Texas Educational Seismic Project (#TXESP), recorded the event.  In the image below, a 0.5 Hz low-pass filter has been applied to the #seismogram.

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