UNCERTAINTY OF SOUTH ISLAND, NEW ZEALAND EARTHQUAKE, 11/02/21 23:51 UTC

2011 February 21 23:51:43 UTC: SOUTH ISLAND, NEW ZEALAND

Magnitude           : 6.3

Date-Time           : Monday, February 21, 2011 at 23:51:43 UTC

                              Tuesday, February 22, 2011 at 12:51:43 PM at epicenter 

Location               : 43.600°S, 172.710°E 

Depth                   : 5 km (3.1 miles) 

Region                 : SOUTH ISLAND OF NEW ZEALAND 

Distances             :  NEAR Christchurch, New Zealand
           225 km (140 miles) SSE of Westport, New Zealand
           305 km (190 miles) SSW of WELLINGTON, New Zealand
           310 km (190 miles) NE of Dunedin, New Zealand

Location Uncertainty  : horizontal +/- 12.2 km (7.6 miles); depth +/- 0.6 km (0.4 miles) 

Parameters          : Nph= 0, Dmin=0 km, Rmss=0.98 sec, Gp= 0,
                             M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp),      

                               Version=D  (Institute of Geological and Nuclear Sciences, Lower Hutt, New Zealand)

FIG: PGA/SIGMA Map( in%g) (USGS Shakemap)