You are not permitted to download, save or email this image. Visit image gallery to purchase the image. 0 CommentsAn earthquake of 4.6 magnitude shook the northern South Island this afternoon. It struck at 4.28pm and was centred 40km southwest of Nelson at a depth of 130km, GNS Science reported. There were no immediate reports of injury or damage. NZPA Related Stories How prepared are we? Claim fault off coast 'real risk' ShakeOut drill hailed as success When the Big One hits Councils to align on quake policy Quake drill planned Series of quakes shakes Kermadecs More quakes shake Christchurch City urged against complacency over quakes Two-year deadline for quake buildings DCC plans self-cover Tsunami warning after major quake More Add a Comment Login or register to post comments.