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M5.2 Earthquake in Christchurch, New Zealand

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Published on Feb 9, 2012

A M5.2 earthquake (red star) sends seismic waves across Christchurch, New Zealand on October 4, 2010. The circles show the location of seismic stations that recorded the event, including 118 Quake-Catcher Network sensors and 29 GeoNet stations. The colors denote the intensity of the ground shaking, measured as acceleration. Grey indicates no shaking and bright red indicates the most intense shaking during the event. The maximum acceleration measured on the stations was about 1 m/s/s, or approximately 10% of the force of gravity. The bottom trace shows a seismogram recorded by the station highlighted with the yellow circle.

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