Phase Data
11 MAY 2011 (131)
ot = 01:07:33.90 +/- 1.62 SAMOA ISLANDS REGION
lat = -14.004 +/- 15.4
lon = -173.241 +/- 13.9 MAGNITUDE 4.8 (GS)
dep = 44.8 +/- 6.0
164 km (102 miles) W of APIA, Samoa
222 km (138 miles) NNE of Hihifo, Tonga
276 km (171 miles) W of PAGO PAGO, American Samoa
2798 km (1738 miles) NNE of Auckland, New Zealand
nph = 115 of 121 se = 0.80 FE=169 A
error ellipse = (322.0, 0.0, 26.6;232.0, 2.0, 17.1; 56.0, 87.0, 9.0)
mb = 4.7 ( 46) ML = 5.1 ( 2) mblg = 5.1 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
AFI ePn 01:07:55.92 -1.5 1.4 86 L:5.7+1 .65 5.1 g:1.3+1 .70 5.1 AFI
MSVF ePn 01:09:35.68 -8.0 9.2 245 MSVF
KNTN ePn 01:10:18.37 6.1 11.3 8 KNTN
eSn 01:12:25.47 S res = 8.6
EIDS epP 01:14:36.22 0.4 35.3 246 EIDS
MANU eP 01:15:05.59 -4.9X 40.7 283 b:8.6+2 .45 6.8 MANU
STKA eP 01:15:44.97 0.8 44.9 239 b:3.4+0 1.1 4.1 STKA
VNDA eP 01:18:08.57 1.2 64.8 186 b:3.1+1 1.8 5.1 VNDA
SBA eP 01:18:08.68 2.2 64.6 185 b:4.7+1 2.0 5.2 SBA
CHGN eP 01:18:47.48 0.0 71.1 9 CHGN
CMB eP 01:18:51.66 0.7 71.6 42 b:4.9+0 1.0 4.4 CMB
AFDM eP 01:18:52.01 0.2 71.8 41 b:8.8+0 1.1 4.6 AFDM
epP 01:19:04.26 depth = 0.8
YBH eP 01:18:56.51 1.0 72.4 37 b:7.4+0 .95 4.6 YBH
WAKR eP 01:18:56.76 0.4 72.5 42 WAKR
GLA eP 01:18:58.37 0.6 72.8 49 b:7.4+0 1.1 4.6 GLA
YER eP 01:18:58.42 -0.3 72.9 41 YER
NV01 eP 01:18:59.97 -0.6 73.2 42 NV01
epP 01:19:11.02 depth = -0.9
NV11 eP 01:19:01.00 0.0 73.3 42 b:1.1+1 1.1 4.7 NV11
MOD eP 01:19:05.59 0.9 73.9 38 MOD
epP 01:19:17.34 depth = 1.1
TPNV eP 01:19:05.85 2.0 73.8 45 b:3.3+0 .80 4.3 TPNV
K05A eP 01:19:06.25 0.7 74.1 37 b:2.1+1 1.2 5.0 K05A
epP 01:19:18.52 depth = 1.5
SHPR eP 01:19:07.28 0.4 74.3 45 b:8.0+0 1.1 4.6 SHPR
Y14A eP 01:19:07.77 -0.4 74.5 49 Y14A
epP 01:19:19.45 depth = -0.4
H04A eP 01:19:08.10 0.1 74.5 35 b:1.1+1 1.1 4.7 H04A
R11A eP 01:19:09.70 -1.0 75.0 44 b:4.1+0 1.2 4.2 R11A
WVOR eP 01:19:12.46 0.2 75.3 39 b:1.2+1 1.2 4.7 WVOR
TUC eP 01:19:12.96 -0.3 75.4 51 b:6.9+0 1.0 4.5 TUC
epP 01:19:24.92 depth = 0.0
X16A eP 01:19:15.92 -0.3 75.9 49 b:5.0+0 .95 4.4 X16A
PSUT eP 01:19:17.72 -0.2 76.2 44 b:1.8+1 1.8 4.7 PSUT
U15A eP 01:19:18.52 0.3 76.2 47 b:9.2+0 1.1 4.7 U15A
G08A eP 01:19:20.60 0.0 76.7 36 G08A
epP 01:19:32.20 depth = 0.0
PKCU eP 01:19:22.52 1.5 76.7 46 b:5.3+1 1.9 5.2 PKCU
MTPU eP 01:19:23.78 0.6 77.1 45 b:3.6+1 1.9 5.1 MTPU
MSU eP 01:19:24.63 0.3 77.3 45 MSU
KS01 epP 01:19:24.79 0.6 75.3 315 KS01
DUG eP 01:19:26.01 -0.4 77.7 43 b:5.5+0 1.1 4.5 DUG
FUNA eScP 01:19:29.56 -2.4 9.2 306 FUNA
HLID eP 01:19:30.01 -0.4 78.5 40 b:1.3+1 1.1 4.8 HLID
TMUT eP 01:19:30.31 0.1 78.4 45 b:1.6+1 .54 5.2 TMUT
CCUT ePcP 01:19:30.75 1.6 76.0 45 CCUT
MNTX eP 01:19:33.97 -1.0 79.3 54 MNTX
epP 01:19:53.05 depth = 6.3X
TCUT eP 01:19:34.10 -0.1 79.1 43 b:2.5+1 .90 5.2 TCUT
TX31 eP 01:19:35.90 -1.4 79.7 56 TX31
eP 01:19:37.02 -0.5
epP 01:19:48.50 depth = -0.7
TT01 ePcP 01:19:36.24 0.2 77.8 8 TT01
MCK eP 01:19:36.55 -0.2 79.7 11 b:1.7+1 1.0 4.9 MCK
PV01 eP 01:19:37.00 -0.2 79.7 47 PV01
PV09 eP 01:19:37.07 1.1 79.4 46 PV09
MFID epP 01:19:37.22 0.5 77.5 39 MFID
ANMO eP 01:19:37.36 -0.6 79.8 50 ANMO
epP 01:19:49.78 depth = 0.3
BNM eP 01:19:38.47 3.0 79.3 51 BNM
TTA epP 01:19:39.68 1.5 77.9 8 TTA
MCMT eP 01:19:39.73 0.4 80.1 39 MCMT
epP 01:19:51.21 depth = 0.4
BMRM epP 01:19:39.98 0.3 78.1 14 BMRM
WRH eP 01:19:40.64 -0.5 80.6 11 WRH
epP 01:19:50.50 depth = -2.4
CCB eP 01:19:41.32 -0.9 80.8 11 b:9.8+0 .92 4.7 CCB
BSMT eP 01:19:41.41 -0.3 80.5 36 BSMT
REDW eP 01:19:41.53 -0.5 80.6 41 b:1.9+1 1.4 4.9 REDW
IL1 eP 01:19:42.19 -1.6 81.1 11 IL1
FXWY eP 01:19:42.24 0.0 80.6 41 b:7.8+0 1.2 4.5 FXWY
S22A eP 01:19:42.50 -0.5 80.7 48 b:4.1+1 1.9 5.1 S22A
IMW eP 01:19:42.79 -0.4 80.8 41 b:9.3+0 1.0 4.7 IMW
SPUT epP 01:19:42.98 0.5 78.5 42 SPUT
BW06 eP 01:19:43.14 -1.8 81.1 42 BW06
eP 01:19:43.83 -1.2
epP 01:19:54.48 depth = -2.0
ILB eP 01:19:43.25 -0.5 81.1 11 ILB
LOHW eP 01:19:43.50 0.0 80.9 41 b:7.4+0 1.1 4.5 LOHW
PD31 eP 01:19:43.77 -1.2 81.1 42 PD31
epP 01:19:54.82 depth = -1.7
HWUT ePcP 01:19:44.65 1.6 79.3 42 HWUT
FLWY eP 01:19:45.85 1.4 81.0 40 b:1.2+1 1.0 4.8 FLWY
H17A eP 01:19:46.92 1.2 81.3 40 b:4.3+0 .95 4.4 H17A
RND epP 01:19:47.62 0.7 79.5 11 RND
BPAW epP 01:19:47.66 -0.7 79.7 10 BPAW
TNA epP 01:19:48.26 1.5 79.4 2 TNA
DAWY eP 01:19:49.34 0.3 82.0 14 DAWY
epP 01:20:01.26 depth = 0.5
MSO epP 01:19:52.62 -0.3 80.5 37 MSO
MLY epP 01:19:53.22 0.0 80.6 10 MLY
DLMT epP 01:19:53.24 0.1 80.5 39 DLMT
COLD eP 01:19:53.53 0.9 82.8 9 b:9.2+0 1.1 4.7 COLD
SWMT epP 01:19:54.18 -0.5 80.8 36 SWMT
LRM epP 01:19:54.80 0.0 80.8 38 LRM
MOOW epP 01:19:55.28 0.3 80.8 41 MOOW
SMCO epP 01:19:57.49 0.3 81.2 46 SMCO
MSTX epP 01:20:01.92 -0.4 82.2 52 MSTX
ABTX eP 01:20:02.00 1.4 84.1 55 b:3.2+1 1.1 5.3 ABTX
EGAK epP 01:20:02.42 0.6 82.2 13 EGAK
RLMT epP 01:20:03.76 0.4 82.4 40 RLMT
ISCO epP 01:20:04.05 0.4 82.5 46 ISCO
N23A epP 01:20:04.95 0.1 82.7 45 N23A
K22A epP 01:20:06.75 0.0 83.1 43 K22A
EGMT epP 01:20:08.96 0.0 83.5 37 EGMT
BILL esP 01:20:10.49 -0.6 83.2 352 BILL
RSSD epP 01:20:17.56 -0.7 85.3 43 RSSD
YKB5 eP 01:20:20.14 -2.3 88.8 23 YKB5
epP 01:20:31.74 depth = -2.7
INK epP 01:20:25.20 -0.1 86.9 14 INK
GEA0 ePKPdf 01:27:01.40 -4.7X 144.8 352 GEA0
MLR ePKPdf 01:27:01.58 -4.4X 144.7 336 MLR
BR131ePKPbc 01:27:02.27 -4.4X 145.2 322 BR13
BR231ePKPdf 01:27:02.59 -5.2X 145.6 323 BR23
GEC2 ePKPdf 01:27:02.90 -3.2 144.8 352 GEC2
KHC ePKPdf 01:27:03.16 -2.4 144.5 352 KHC
BFO ePKPdf 01:27:06.47 -1.2 145.7 358 BFO
FUORNePKPdf 01:27:10.32 -0.4 147.4 356 FUOR
BNI ePKPdf 01:27:13.63 0.2 149.1 0 BNI
ES19 ePKPbc 01:27:30.12 3.9 152.7 18 ES19
Generated 2011 MAY 11 at 01:48 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
