The January 12, 2010 Haiti earthquake was a magnitude 7.0 Mw earthquake centered near Port-au-Prince, Haiti, at 16:53:09 local time (21:53:09 UTC) on Tuesday, January 12, 2010. The image above is from the signal recorded at the Pennsylvania Geological Survey’s station in Middletown, Pennsylvania. The seismograph is a 3-component system, meaning it records movement in the vertical direction (Z) as well as east-west and north-south, thus recording a vector. (View a PDF version of the above image.)

What's New	Jay Parrish, State Geologist

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