8 MAR 2009 ( 67)
ot = 05:18:41.76 +/- 0.42 LA RIOJA, ARGENTINA
lat = -28.760 +/- 7.1
lon = -67.129 +/- 9.7 MAGNITUDE 4.7 (GS)
dep = 139.6 (depth phases)
80 km (50 miles) NNW of La Rioja, Argentina (pop 143,000)
135 km (85 miles) WSW of Catamarca, Argentina (pop 140,000)
285 km (180 miles) SW of San Miguel de Tucuman, Argentina
1035 km (640 miles) NW of BUENOS AIRES, Argentina
nph = 32 of 41 se = 1.22 FE=138 A
error ellipse = ( 76.7, 0.0, 12.9;166.7, 0.0, 9.1; 0.0, 0.0, 0.0)
mb = 4.7 ( 17) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
LCO ePn 05:19:29.03 -1.8 3.1 265 L:1.8+0 .50 4.5X LCO
eSn 05:20:05.27 S res = -3.4X
CPUP ePn 05:20:47.34 -1.7 9.0 77 CPUP
TRQA ePn 05:21:04.55 -0.3 10.2 156 TRQA
PLCA ePn 05:21:29.20 -2.6 12.3 192 PLCA
LPAZ ePn 05:21:32.70 -2.1 12.4 356 LPAZ
NNA eP 05:22:51.10 -1.6 19.0 330 b:8.1+0 .80 4.1 NNA
SAML eP 05:23:04.07 -0.1 20.1 11 g:8.8-2 1.0 4.4X b:8.8+1 1.0 5.1 SAML
EFI eP 05:23:43.06 0.9 23.9 166 EFI
OTAV eP 05:24:48.64 3.7X 30.8 337 OTAV
SDV eP 05:25:41.54 -1.5 37.6 354 b:1.7+1 1.1 4.7 SDV
GRGR eP 05:26:10.66 -0.5 41.0 8 b:4.8+1 .54 5.4 GRGR
CELP eP 05:26:54.14 -1.4 46.6 1 CELP
TGUH eP 05:26:57.87 0.3 46.8 333 b:4.8+1 1.1 5.1 TGUH
SWET eP 05:29:13.32 -0.3 66.1 343 b:1.3+1 1.1 4.8 SWET
JCT eP 05:29:17.77 0.4 66.6 329 b:3.0+1 1.5 4.9 JCT
WVT eP 05:29:21.33 -0.8 67.4 342 b:1.6+1 1.2 4.7 WVT
epP 05:29:55.55 depth = 140.8
esP 05:30:09.21 -1.8X
FVM eP 05:29:37.06 -0.3 69.9 341 b:3.8+1 1.6 5.0 FVM
ANMO eP 05:29:59.76 0.8 73.4 327 b:6.2+1 2.9 4.9 ANMO
MVCO eP 05:30:15.83 0.7 76.2 327 b:2.0+1 1.8 4.6 MVCO
WUAZ eP 05:30:16.93 1.4 76.3 324 b:1.4+1 1.3 4.5 WUAZ
ECSD eP 05:30:18.97 -0.2 77.0 339 b:8.2+0 1.1 4.4 ECSD
SMCO eP 05:30:21.84 1.6 77.1 329 b:1.3+1 1.5 4.5 SMCO
TOA0 eP 05:30:28.03 0.3 78.4 68 TOA0
HWUT eP 05:30:42.16 0.3 81.2 328 b:2.6+1 1.9 4.6 HWUT
esP 05:31:17.48 -14.1X
BW06 eP 05:30:42.34 0.4 81.2 330 BW06
REDW eP 05:30:49.19 1.8 82.2 329 b:2.8+1 2.1 4.7 REDW
FLWY eP 05:30:50.77 0.8 82.7 330 b:2.5+0 .55 4.3 FLWY
HLID eP 05:30:57.35 0.8 84.0 328 HLID
epP 05:31:32.82 depth = 139.9
MCMT eP 05:30:59.09 1.2 84.3 329 MCMT
epP 05:31:34.20 depth = 138.2
FFC eP 05:31:17.64 0.2 88.4 341 FFC
KURK ePKPbc 05:38:06.08 0.7 146.2 40 KURK
AAK ePKPdf 05:38:06.67 2.1 146.2 55 AAK
ZAA0 ePKPdf 05:38:06.73 0.5 147.6 31 ZAA0
ePKPbc 05:38:10.18 1.0X
ePKPab 05:38:13.02 1.4X
Generated 2009 MAR 8 at 06:22 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
