Two strong earthquakes occurred 40 kilometres south of Seddon near Marlborough. The strongest struck at 12:15am Friday. The quake registered 5 on the Richter scale and was felt throughout the region.
A quake measuring 4.2 on the Richter scale occurred at the same location earlier on Thursday at 8:21pm.
Geological And Nuclear Sciences data follows:
Universal Time: 23 June 2005 at 12:15
NZ Standard Time: Friday, 24 June 2005 at 12:15 am
Latitude, Longitude: 41.99°S, 173.96°E
Location: 40 km south of Seddon
Focal depth: 12 km
Richter magnitude: 5.0