31 JAN 2009 ( 31)
ot = 14:40:15.76 +/- 1.33 ANTOFAGASTA, CHILE
lat = -22.885 +/- 5.8
lon = -69.864 +/- 11.1 MAGNITUDE 5.1 (GS)
dep = 51.6 +/- 12.9
95 km (60 miles) SSE of Tocopilla, Chile (pop 23,000)
100 km (65 miles) NNE of Antofagasta, Chile (pop 293,000)
105 km (65 miles) WSW of Calama, Chile (pop 122,000)
1170 km (730 miles) N of SANTIAGO, Chile
nph = 111 of 129 se = 0.97 FE=123 A
error ellipse = ( 86.5, 52.4, 23.2;256.3, 37.2, 11.9;350.1, 5.0, 8.6)
mb = 5.1 ( 63) 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
LPAZ ePn 14:41:55.75 2.7 6.8 14 g:7.0-2 1.0 3.5X LPAZ
SAML P 14:43:48.56 0.4 15.3 26 g:2.2-2 .83 3.7X b:2.2+1 .83 4.4 SAML
TRQA ePn 14:44:04.19 -0.4 16.6 158 b:4.8+1 .90 4.6 TRQA
PLCA ePn 14:44:18.17 -1.7 17.8 182 b:2.4+1 1.2 4.2 PLCA
OTAV eP 14:45:28.23 -2.3 24.5 339 b:1.9+1 .90 4.6 OTAV
TGUH eP 14:47:50.16 0.5 40.5 333 b:6.1+1 1.0 5.3 TGUH
SJG eP 14:47:50.63 -2.6 40.9 5 b:2.7+1 .80 5.0 SJG
e 14:48:04.14 depth = 51.1X
CELP eP 14:47:50.90 -1.7 40.8 5 CELP
epP 14:48:04.36 depth = 50.9X
MPR eP 14:47:51.87 -1.5 40.9 4 b:7.4+1 1.3 5.2 MPR
epP 14:48:10.92 depth = 78.3X
CBYP P 14:47:52.72 -2.0 41.1 6 b:5.0+1 1.1 5.1 CBYP
e 14:48:05.10 depth = 45.5X
MTDJ eP 14:47:59.10 0.6 41.5 349 b:8.3+1 1.0 5.4 MTDJ
LRAL eP 14:50:01.44 -1.5 58.0 343 b:9.5+0 1.0 4.9 LRAL
HKT eP 14:50:03.96 -0.4 58.2 333 b:1.8+1 1.2 5.1 HKT
CPCT eP 14:50:13.96 -0.7 59.7 346 CPCT
SWET eP 14:50:14.29 -1.1 59.8 345 b:3.7+1 .78 5.6 SWET
PLAL eP 14:50:15.86 -1.8 60.1 343 b:1.9+1 .90 5.2 PLAL
OXF P 14:50:15.91 -1.3 60.0 341 b:6.5+1 1.0 5.7 OXF
JCT eP 14:50:19.04 -0.5 60.3 330 b:3.5+1 .75 5.6 JCT
SNAA eP 14:50:21.08 -4.3X 61.3 161 SNAA
WVT P 14:50:22.64 -1.9 61.1 343 b:3.6+1 .90 5.5 WVT
UALR eP 14:50:24.42 -0.7 61.2 339 b:3.0+1 1.1 5.3 UALR
MIAR eP 14:50:26.00 -0.6 61.4 338 b:3.1+1 .95 5.4 MIAR
USIN eP 14:50:34.47 -1.4 62.8 344 b:6.0+1 1.1 5.6 USIN
SIUC eP 14:50:35.68 -1.3 63.0 343 b:4.4+1 1.0 5.5 SIUC
e 14:50:55.24 -1.9X
WMOK eP 14:50:39.35 -1.6 63.5 334 b:4.8+0 1.0 4.5 WMOK
OLIL eP 14:50:39.79 -1.6 63.6 344 b:2.7+1 .95 5.3 OLIL
ACSO eP 14:50:42.51 -1.1 64.0 349 ACSO
MNTX P 14:50:43.13 -1.2 64.0 327 b:2.3+1 1.4 5.0 MNTX
GDL2 eP 14:50:43.84 0.1 63.9 328 GDL2
CPRX P 14:50:46.44 -0.2 64.4 329 b:6.9+0 .82 4.7 CPRX
ALLY eP 14:50:49.37 -0.3 64.9 352 b:5.8+1 1.3 5.4 ALLY
BINY eP 14:50:50.82 0.5 65.0 355 BINY
ERPA eP 14:50:52.31 -0.2 65.3 352 ERPA
TRY eP 14:50:53.79 1.1 65.4 357 TRY
ACCN eP 14:50:57.75 0.8 66.0 357 b:3.1+1 1.2 5.2 ACCN
KSU1 eP 14:50:59.26 -1.1 66.6 338 b:1.3+1 .75 5.0 KSU1
HNH eP 14:51:00.91 2.3 66.3 358 HNH
MDV eP 14:51:01.30 0.6 66.6 357 MDV
BNM P 14:51:01.66 0.4 66.6 327 b:1.7+1 1.2 4.9 BNM
LPM eP 14:51:02.27 0.2 66.8 327 LPM
LENM eP 14:51:03.06 0.7 66.8 327 LENM
ANMO eP 14:51:04.50 -0.2 67.2 328 b:1.1+2 2.2 5.5 ANMO
QSPA eP 14:51:04.73 -0.4 67.3 180 QSPA
LAZ P 14:51:05.00 0.9 67.1 327 b:1.7+1 1.0 5.0 LAZ
LONY eP 14:51:05.50 0.4 67.3 356 b:1.4+1 .90 5.0 LONY
CBKS eP 14:51:06.00 -0.2 67.5 335 CBKS
epP 14:51:25.89 depth = 75.6X
TUC eP 14:51:06.46 0.5 67.4 323 b:2.5+1 1.2 5.1 TUC
FRNY eP 14:51:06.52 0.5 67.5 357 b:4.2+1 1.1 5.4 FRNY
SCIA eP 14:51:08.75 -0.7 68.0 341 b:3.3+1 1.0 5.3 SCIA
SDCO eP 14:51:16.30 0.2 69.0 330 SDCO
PQI e 14:51:18.05 1.0 69.2 1 b:7.6+1 1.3 5.5 PQI
MVCO eP 14:51:22.42 0.3 70.0 328 b:2.4+1 .95 5.1 MVCO
DBIC eP 14:51:23.17 0.8 70.0 73 DBIC
WUAZ eP 14:51:23.86 0.8 70.1 325 b:3.6+1 1.0 5.3 WUAZ
ECSD eP 14:51:25.14 -1.0 70.7 340 b:2.7+1 1.0 5.1 ECSD
ISCO eP 14:51:27.11 0.4 70.7 332 b:4.3+1 1.7 5.1 ISCO
PV01 P 14:51:27.27 0.4 70.7 329 b:2.7+3 1.4 7.0X PV01
SMCO eP 14:51:28.08 0.6 70.8 330 b:2.3+1 1.1 5.0 SMCO
BAR eP 14:51:29.13 0.5 71.1 319 b:1.9+1 1.1 4.9 BAR
e 14:51:43.35 depth = 50.1X
PV04 eP 14:51:29.51 0.5 71.1 328 PV04
PFO eP 14:51:31.95 0.1 71.6 320 PFO
PHWY eP 14:51:33.99 0.2 71.9 333 PHWY
e 14:51:50.88 -1.4X
SRU eP 14:51:37.38 0.3 72.5 328 SRU
EYMN eP 14:51:39.29 -1.3 73.1 345 EYMN
CCUT eP 14:51:39.96 1.3 72.7 325 CCUT
MSU eP 14:51:40.05 0.7 72.8 326 MSU
e 14:51:55.36 -0.9X
TMUT eP 14:51:40.28 0.2 72.9 328 TMUT
MWC eP 14:51:40.61 0.4 73.0 320 MWC
GSC eP 14:51:40.94 0.8 73.0 321 GSC
ARUT P 14:51:41.32 1.4 72.9 325 b:4.4+1 1.0 5.3 ARUT
RSSD eP 14:51:44.13 0.0 73.7 335 RSSD
MPU eP 14:51:45.00 0.6 73.7 328 MPU
DAU eP 14:51:45.58 0.3 73.8 328 DAU
JLU eP 14:51:47.22 0.7 74.1 328 JLU
e 14:52:06.11 -0.9X
ISA eP 14:51:47.49 0.2 74.2 321 ISA
e 14:52:03.24 1.2X
AGMN eP 14:51:47.79 -1.3 74.6 342 AGMN
DUG eP 14:51:49.01 0.5 74.4 327 DUG
PD02 P 14:51:49.85 -1.4 74.9 331 PD02
PD01 P 14:51:50.00 -1.3 74.9 331 PD01
HWUT P 14:51:51.16 -0.1 74.9 329 b:1.1+1 .85 4.8 HWUT
MTUM eP 14:51:55.02 0.5 75.4 322 MTUM
HVU eP 14:51:55.14 -0.2 75.6 328 HVU
AHID P 14:51:55.23 0.0 75.6 330 b:2.7+1 1.0 5.1 AHID
REDW eP 14:51:57.22 0.0 75.9 330 REDW
LOHW P 14:51:57.81 0.1 76.0 331 b:1.1+1 1.1 4.7 LOHW
SNOW eP 14:51:57.95 0.5 76.0 331 SNOW
MOOW P 14:51:58.23 -0.4 76.2 331 b:2.5+1 1.6 4.9 MOOW
ELK eP 14:51:58.35 0.3 76.1 326 ELK
e 14:52:10.04 -0.1X
TPAW eP 14:51:58.49 0.4 76.1 330 TPAW
RRI2 P 14:51:59.18 0.8 76.1 330 b:4.0+1 1.4 5.1 RRI2
LKWY P 14:52:02.96 1.5 76.7 331 b:4.3+1 1.5 5.2 LKWY
YMR P 14:52:04.50 1.3 77.0 331 b:8.7+1 1.3 5.6 YMR
DGMT eP 14:52:05.81 0.7 77.4 337 DGMT
QLMT eP 14:52:06.29 1.2 77.3 331 QLMT
HLID eP 14:52:08.09 0.7 77.7 329 HLID
MCMT P 14:52:09.47 0.8 78.0 330 b:1.1+1 1.2 4.7 MCMT
DLMT P 14:52:10.69 0.5 78.3 331 b:2.7+1 1.2 5.1 DLMT
MFID P 14:52:10.95 0.4 78.3 328 b:2.6+1 1.3 5.1 MFID
OHCM eP 14:52:11.52 0.3 78.5 322 OHCM
LRM eP 14:52:12.48 0.6 78.6 331 LRM
HRY eP 14:52:14.73 0.7 79.0 332 HRY
CHMT P 14:52:18.69 0.3 79.8 331 b:1.8+1 1.7 4.7 CHMT
e 14:52:35.07 depth = 58.5X
BMO P 14:52:20.36 0.2 80.1 328 b:2.8+1 1.3 5.0 BMO
SLMT P 14:52:20.77 0.5 80.1 331 b:2.3+1 1.1 5.0 SLMT
SWMT P 14:52:22.92 0.5 80.5 331 b:1.2+1 1.2 4.7 SWMT
e 14:52:38.80 depth = 56.2X
TSUM P 14:52:24.56 1.6 80.5 107 b:2.2+1 1.1 5.0 TSUM
BSMT P 14:52:26.37 0.6 81.1 331 b:2.2+1 1.1 5.0 BSMT
FFC P 14:52:29.40 -0.8 82.1 342 b:2.2+1 1.2 5.1 FFC
RSW P 14:52:32.02 0.1 82.3 328 b:3.7+1 1.1 5.3 RSW
e 14:52:47.64 depth = 54.9X
HAWA P 14:52:32.17 0.5 82.3 328 b:2.1+1 .98 5.1 HAWA
e 14:52:45.95 depth = 47.1X
OD2 P 14:52:32.99 -0.3 82.6 329 b:4.2+1 .90 5.5 OD2
e 14:52:48.37 depth = 53.8X
ETW P 14:52:38.37 0.1 83.5 328 b:5.2+1 1.3 5.4 ETW
Generated 2009 JAN 31 at 14:59 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
