Phase Data
25 MAY 2012 (146)
ot = 02:44:49.22 +/- 1.59 SOUTH ISLAND OF NEW ZEALAND
lat = -43.494 +/- 5.6
lon = 172.964 +/- 7.8 MAGNITUDE 4.7 (GS)
dep = 8.8 +/- 6.1
25 km (15 miles) ENE of Christchurch, New Zealand (pop 367,000)
224 km (139 miles) SSE of Westport, New Zealand
286 km (178 miles) SSW of WELLINGTON, New Zealand
329 km (204 miles) NE of Dunedin, New Zealand
nph = 32 of 32 se = 0.79 FE=162 A
error ellipse = ( 88.0, 15.0, 12.2;335.0, 55.0, 9.2;187.0, 30.0, 8.4)
mb = 4.7 ( 1) ML = 0.0 ( 0) mblg = 4.7 ( 21) md = 4.8 ( 7) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
CRLZ ePg 02:44:55.06 0.6 0.3 252 d:4.3+2 4.5 CRLZ
MQZ ePg 02:44:55.71 0.3 0.3 227 d:4.1+2 4.5 MQZ
OXZ ePg 02:45:01.75 -0.9 0.7 284 d:5.0+2 4.8 OXZ
LTZ ePg 02:45:06.25 0.2 0.9 324 d:5.0+2 4.9 g:6.6+0 .70 4.6 LTZ
KHZ ePn 02:45:11.72 0.1 1.2 22 d:3.8+2 4.7 g:9.1+0 .96 4.9 KHZ
RPZ ePn 02:45:13.27 -1.8 1.4 260 d:4.9+2 5.1 g:1.1+1 .78 5.0 RPZ
THZ ePn 02:45:19.42 -0.1 1.7 359 d:4.4+2 5.1 g:2.1+1 .77 5.4 THZ
LBZ ePn 02:45:25.08 -0.9 2.2 245 g:5.7+0 .93 4.9 LBZ
ODZ ePn 02:45:25.92 -1.1 2.3 226 g:1.8+0 .77 4.4 ODZ
FOZ ePn 02:45:27.46 0.3 2.3 268 g:4.3+0 1.1 4.8 FOZ
SNZO ePn 02:45:30.72 0.2 2.5 31 g:2.1+0 .90 4.6 SNZO
WKZ ePn 02:45:38.76 -0.1 3.1 244 g:3.7+0 1.0 4.9 WKZ
BFZ ePn 02:45:46.44 -0.5 3.7 42 g:8.6-1 .92 4.4 BFZ
MLZ ePn 02:45:48.61 -1.4 3.9 240 g:1.7+0 .97 4.7 MLZ
WHZ ePn 02:45:53.35 -1.6 4.3 234 g:2.6+0 1.2 4.9 WHZ
DCZ ePn 02:45:57.91 -1.0 4.6 243 g:1.3+0 .97 4.6 DCZ
BKZ ePn 02:46:05.53 0.0 5.1 33 g:3.8-1 .93 4.2 BKZ
PYZ ePn 02:46:05.63 -1.7 5.2 237 g:1.3+0 1.0 4.7 PYZ
HIZ ePn 02:46:06.85 0.0 5.2 17 g:1.6+0 1.0 4.8 HIZ
URZ ePn 02:46:18.35 -1.2 6.1 32 g:3.3-1 1.0 4.2 URZ
MXZ ePn 02:46:33.06 -1.4 7.2 36 g:1.9-1 .91 4.0 MXZ
OUZ ePn 02:46:51.07 1.7 8.3 4 g:9.0-2 .89 3.8 OUZ
AS01 eP 02:52:03.64 -0.7 37.6 289 AS01
AS31 eP 02:52:04.87 0.3 37.6 289 b:4.8+0 .90 4.3 AS31
WRAB eP 02:52:23.48 0.2 39.9 294 b:2.0+1 .80 4.8 WRAB
WB2 eP 02:52:23.50 0.2 39.9 294 b:4.3+1 1.2 5.0 WB2
PMG eP 02:52:30.43 0.0 40.7 319 b:4.6+1 .95 5.2 PMG
RABL eP 02:52:51.06 0.0 43.3 329 b:1.4+2 .90 5.7 RABL
ARMA eS 02:53:37.52 2.6 21.4 301 ARMA
MAW eP 02:54:40.81 2.8 57.5 205 b:4.8+0 1.0 4.5 MAW
SBUM eP 02:56:08.21 0.9 71.0 293 b:2.8+1 1.3 5.2 SBUM
PSI eP 02:57:01.41 0.3 80.3 283 b:2.4+1 1.3 5.0 PSI
Generated 2012 MAY 25 at 03:06 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
