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Marlborough was shaken by a magnitude 3.8 earthquake at 10.26am yesterday. The quake occurred within 5km of Seddon at a depth of 40km. 
 
GNS Science said it would have been felt across the top of the South Island.
Marlborough was shaken by a magnitude 3.8 earthquake at 10.26am yesterday. The quake occurred within 5km of Seddon at a depth of 40km. 
 
GNS Science said it would have been felt across the top of the South Island.