Phase Data
6 JAN 2012 ( 6)
ot = 12:21:35.54 +/- 1.69 SOUTH ISLAND OF NEW ZEALAND
lat = -43.547 +/- 5.9
lon = 172.982 +/- 7.3 MAGNITUDE 4.5 (GS)
dep = 9.9 +/- 3.0
25 km (16 miles) E of Christchurch, New Zealand (pop 367,000)
230 km (143 miles) SSE of Westport, New Zealand
290 km (180 miles) SSW of WELLINGTON, New Zealand
325 km (202 miles) NE of Dunedin, New Zealand
nph = 36 of 38 se = 0.84 FE=162 A
error ellipse = (119.0, 1.0, 12.1;209.0, 3.0, 7.9; 4.0, 86.0, 4.6)
mb = 4.5 ( 1) ML = 5.0 ( 42) mblg = 4.7 ( 22) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
CRLZ ePg 12:21:40.74 -0.1 0.3 263 L:7.8+2 .52 5.2 CRLZ
MQZ ePg 12:21:41.93 0.6 0.3 236 L:7.3+2 .51 5.2 MQZ
eSg 12:21:45.41 S res = 0.2
OXZ ePg 12:21:48.73 -0.8 0.7 288 L:4.4+2 .40 5.5 g:1.9+2 .83 6.0 OXZ
ePn 12:21:57.40 5.6X
LTZ ePg 12:21:53.48 0.1 0.9 326 L:3.4+2 1.1 5.6 LTZ
eSg 12:22:04.54 S res = -0.8
KHZ ePn 12:21:58.53 0.1 1.2 20 L:1.5+1 1.1 4.4 g:1.7+0 .82 4.2 KHZ
RPZ ePn 12:22:00.53 -0.8 1.4 262 L:7.5+1 .57 5.2 g:2.2+1 .76 5.3 RPZ
THZ ePn 12:22:06.47 0.0 1.8 358 L:2.5+1 1.0 4.9 g:9.7+0 .84 5.1 THZ
LBZ ePn 12:22:11.85 -0.2 2.2 247 L:3.5+1 .70 5.3 g:8.5+0 .96 5.1 LBZ
ODZ ePn 12:22:12.84 0.0 2.3 227 L:3.3+1 .54 5.3 g:8.0+0 1.0 5.1 ODZ
FOZ ePn 12:22:14.15 0.6 2.3 269 L:2.5+1 1.0 5.2 g:7.4+0 1.2 5.1 FOZ
SNZO ePn 12:22:17.51 0.2 2.6 30 L:5.0+0 1.2 4.6 g:1.1+0 1.0 4.3 SNZO
WKZ ePn 12:22:24.48 -0.4 3.1 244 L:2.4+1 1.2 5.4 g:6.8+0 1.0 5.2 WKZ
BFZ ePn 12:22:33.09 -0.4 3.8 41 L:1.4+0 1.8 4.4 g:5.0-1 1.0 4.1 BFZ
MLZ ePn 12:22:34.92 -1.0 3.9 241 L:7.8+0 .76 5.2 g:3.8+0 1.0 5.0 MLZ
WHZ ePn 12:22:39.37 -1.5 4.3 235 L:7.0+0 .68 5.3 g:1.6+0 .79 4.7 WHZ
DCZ ePn 12:22:44.47 -0.5 4.6 243 L:3.4+0 1.3 5.1 DCZ
BKZ ePn 12:22:51.82 -0.4 5.1 32 L:1.2+0 1.7 4.8 g:2.0-1 .84 3.9 BKZ
PYZ ePn 12:22:52.23 -1.0 5.2 238 L:4.8+0 .88 5.4 g:1.3+0 1.0 4.7 PYZ
HIZ ePn 12:22:54.36 0.6 5.2 16 L:2.0+0 1.7 5.1 g:6.9-1 .92 4.4 HIZ
URZ ePn 12:23:05.19 -1.0 6.1 32 L:4.4-1 1.5 4.7 g:1.7-1 1.0 3.9 URZ
MXZ ePn 12:23:19.62 -1.5 7.2 36 L:2.9-1 1.4 4.8 g:8.0-2 .97 3.7 MXZ
OUZ ePn 12:23:36.99 0.7X 8.3 4 L:1.8-1 3.0 4.9 g:4.0-2 .98 3.4 OUZ
DZM eP 12:26:32.53 1.6 22.1 344 b:4.3+1 1.4 4.7 DZM
STKA eP 12:27:21.80 1.8 27.3 285 b:6.1+0 1.7 4.0 STKA
AS01 eP 12:28:50.44 -0.3 37.6 289 AS01
AS31 eP 12:28:51.20 0.2 37.7 289 b:6.0+0 1.3 4.2 AS31
COEN eP 12:29:03.01 0.7 39.0 310 b:5.3+0 .85 4.2 COEN
WB2 eP 12:29:09.25 -0.5 39.9 294 b:1.4+1 .70 4.7 WB2
eP 12:29:09.40 -0.4
WRAB eP 12:29:09.96 0.2 39.9 294 b:1.4+1 .70 4.7 WRAB
PMG eP 12:29:19.01 2.1 40.8 319 b:3.4+1 .95 5.0 PMG
RABL eP 12:29:38.97 1.3 43.3 329 b:1.2+2 .75 5.7 RABL
MTN eP 12:30:09.04 0.7 47.2 297 b:2.3+1 1.0 5.2 MTN
MBWA eP 12:30:24.92 0.3 49.3 279 b:2.0+1 1.1 5.1 MBWA
SNAA eP 12:32:18.30 2.7 65.1 182 b:1.4+1 1.2 5.0 SNAA
Generated 2012 JAN 6 at 12:35 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
