Phase Data

Explanation of Parameters


      3 APR 2013  ( 93)

     ot  = 05:29:36.38   +/-   1.66              CENTRAL MID-ATLANTIC RIDGE      
     lat =       0.732   +/-   12.7
     lon =     -27.135   +/-   11.0              MAGNITUDE 4.9 (GS)       
     dep =        10.1   +/-    1.9   

     775 km (481 miles) NE of Fernando de Noronha, Pernambuco, Brazil
     1150 km (714 miles) NE of Natal, Rio Grande do Norte, Brazil
     1219 km (757 miles) NE of Joao Pessoa, Paraiba, Brazil
     2922 km (1815 miles) NE of BRASILIA, Distrito Federal, Brazil

     nph =   62 of 126    se = 0.82    FE=406                            A   

     error ellipse = (152.0,  0.0, 20.4; 62.0,  0.0, 15.6;330.0, 89.0,  2.8)

 mb = 4.9 (111)  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
 RCBR ePn     05:32:09.08  -3.7   10.9 233                                   RCBR
 SACV ePn     05:33:00.17  -2.6   14.6  14                                   SACV
 DBIC eP      05:34:40.50  -1.1   23.0  75 b:7.3+1 1.0 5.2                   DBIC
 BDFB eP      05:35:12.38   0.0   26.3 231 b:2.1+1 .86 4.8                   BDFB
 TOA0 eP      05:35:52.55  -2.8   31.1  65                                   TOA0
      eP      05:35:54.65  -0.7 
 TAM  eP      05:36:59.99   0.0   38.6  53 b:1.2+1 1.1 4.5                   TAM 
 LPAZ eP      05:37:43.20  -0.7   43.8 245 b:1.7+1 1.1 4.8                   LPAZ
 ES06 eP      05:37:44.85  -0.6   44.1  26                                   ES06
 ROSC eP      05:38:10.00  -1.1   47.3 276 b:1.1+1 1.1 4.8                   ROSC
 TSUM eP      05:38:18.33   1.1   48.1 117 b:1.4+1 .95 5.0                   TSUM
 GO02 eP      05:38:19.55  -0.3   48.5 235 b:3.0+1 .80 5.4                   GO02
 OTAV eP      05:38:42.01   0.1   51.3 270 b:6.0+0 1.1 4.4                   OTAV
 BNI  eP      05:38:56.40   0.8   53.3  30 b:1.3+1 1.1 4.8                   BNI 
 SENINeP      05:39:04.52  -0.3X  54.5  29 b:1.2+1 1.1 4.8                   SENI
 ECH  eP      05:39:12.84  -0.9X  55.8  27 b:9.3+0 1.0 4.8                   ECH 
 BFO  eP      05:39:18.06  -0.2   56.4  28                                   BFO 
      esP     05:39:22.46   1.4 
 GO06 eP      05:39:22.05  -0.5   57.0 220 b:1.0+1 .85 4.9                   GO06
 LBTB eP      05:39:25.67   2.5   57.0 121 b:2.8+1 1.1 5.2                   LBTB
 LSZ  eP      05:39:25.81   3.4   56.9 109 b:1.1+1 1.0 4.8                   LSZ 
 BOSA eP      05:39:29.14  -0.4   58.0 125 b:2.2+1 1.0 5.1                   BOSA
 KHC  eP      05:39:38.96  -0.9X  59.5  30 b:4.9+0 1.1 4.6                   KHC 
 MORC eP      05:39:56.19  -0.1   61.9  31 b:7.6+0 1.0 4.8                   MORC
 PSZ  eP      05:39:57.84   0.2X  62.1  34 b:1.9+1 1.1 5.2                   PSZ 
 OJC  eP      05:40:05.55  -0.3   63.4  32 b:1.1+1 .80 5.1                   OJC 
 W50A eP      05:40:11.23   1.1   64.0 309 b:1.0+1 .95 5.0                   W50A
 KMBO eP      05:40:12.14  -1.6   64.4  92 b:6.0+0 1.0 4.7                   KMBO
 SWET eP      05:40:12.85  -0.5X  64.4 309 b:1.3+1 .94 5.1                   SWET
 MLR  eP      05:40:12.88  -0.3X  64.4  39 b:1.6+1 1.1 5.1                   MLR 
 V48A eP      05:40:19.04   0.2   65.3 309 b:1.2+1 .95 5.1                   V48A
 T47A eP      05:40:21.87  -0.9X  65.9 311 b:1.4+1 1.0 5.1                   T47A
 PLAL eP      05:40:24.62   1.0X  66.0 308 b:5.2+0 1.1 4.6                   PLAL
 WVT  eP      05:40:27.02   2.4   66.2 310 b:7.9+0 1.0 4.9                   WVT 
 BR131eP      05:40:31.34  -1.0   67.4  47 b:6.3+0 1.0 4.8                   BR13
 AK11 eP      05:40:39.42  -0.9X  68.7  35                                   AK11
 AKBB eP      05:40:39.67  -0.9X  68.8  35 b:1.4+1 .75 5.2                   AKBB
 KIEV eP      05:40:39.68  -0.9   68.8  35 b:1.4+1 .80 5.2                   KIEV
 CCM  eP      05:40:43.03  -1.5   69.4 311 b:1.1+1 .95 5.0                   CCM 
 W41B eP      05:40:43.12  -1.7X  69.4 307 b:8.1+0 .80 4.9                   W41B
 WLAR eP      05:40:46.64  -0.3   69.7 306 b:3.1+1 .94 5.4                   WLAR
 SCO  eP      05:40:47.82   1.7   69.7   2 b:8.8+0 1.1 4.8                   SCO 
 W39A eP      05:40:50.85  -1.5X  70.6 307 b:1.4+1 1.0 5.0                   W39A
 SUMG eP      05:41:00.79  -0.2   72.1 356 b:9.1+0 1.0 4.8                   SUMG
 TUL1 eP      05:41:02.70  -0.2X  72.4 308 b:2.2+1 .90 5.2                   TUL1
 FIA1 eP      05:41:03.30  -0.5X  72.6  24                                   FIA1
      eP      05:41:03.85   0.1X
 WMOK eP      05:41:14.80  -1.0X  74.5 306 b:6.0+0 .75 4.7                   WMOK
 JCT  eP      05:41:15.39  -1.5X  74.7 301 b:1.4+1 .80 5.1                   JCT 
 ECSD eP      05:41:15.89  -0.9X  74.8 315 b:5.4+0 .95 4.6                   ECSD
 ABTX eP      05:41:16.45  -1.5X  74.9 304 b:1.3+1 .85 5.0                   ABTX
 MSTX eP      05:41:32.97  -0.9X  77.7 305 b:2.5+1 .85 5.3                   MSTX
 TX31 eP      05:41:33.37  -1.9X  77.9 300                                   TX31
      eP      05:41:33.60  -1.5X
 KSCO eP      05:41:37.05   0.0X  78.3 310 b:4.8+1 1.0 5.5                   KSCO
 GDL2 eP      05:41:38.89  -1.2   78.8 303                                   GDL2
 TULEGeP      05:41:41.34   0.2   79.2 351 b:6.7+0 1.0 4.6                   TULE
 MNTX eP      05:41:42.31  -2.1X  79.6 302 b:8.6+0 .85 4.8                   MNTX
 T25A eP      05:41:43.76   0.3   79.4 308 b:8.8+0 .85 4.8                   T25A
 Q24A eP      05:41:47.38  -0.5   80.2 309 b:1.7+1 .90 5.0                   Q24A
 SDCO eP      05:41:48.64   0.0X  80.4 308 b:1.2+1 1.0 4.8                   SDCO
 PHWY eP      05:41:49.97  -0.7   80.7 312 b:6.6+0 1.0 4.6                   PHWY
 ANMO eP      05:41:50.56  -0.5   80.8 305 b:8.8+0 1.1 4.7                   ANMO
 ISCO eP      05:41:50.81   0.5X  80.7 310 b:6.8+0 1.0 4.6                   ISCO
 LENM eP      05:41:52.70  -0.3   81.2 304                                   LENM
 N23A eP      05:41:52.84   0.5   81.1 311 b:1.4+1 .95 5.0                   N23A
 LAZ  eP      05:41:53.65   0.5X  81.2 304                                   LAZ 
 S22A eP      05:41:54.25   0.0X  81.4 308 b:8.9+0 .90 4.8                   S22A
 SMCO eP      05:41:55.69   0.0X  81.7 309 b:9.5+0 .85 4.9                   SMCO
 LAO  eP      05:41:59.51   2.7X  82.0 317                                   LAO 
 MVCO eP      05:42:00.06  -0.8X  82.7 307 b:1.1+1 .85 5.1                   MVCO
 O20A eP      05:42:01.52   0.5X  82.7 310 b:1.6+1 .95 5.2                   O20A
 RES  eP      05:42:04.72   0.6   83.5 346 b:4.9+0 1.1 4.6                   RES 
 X18A eP      05:42:05.82  -0.1X  83.7 305 b:2.0+1 1.0 5.3                   X18A
 PDAR eP      05:42:06.59  -0.6X  83.9 313                                   PDAR
 TUC  eP      05:42:07.73  -1.1   84.2 302 b:6.6+0 .85 4.9                   TUC 
 RLMT eP      05:42:09.09   2.0X  83.9 315 b:5.3+0 .90 4.8                   RLMT
 P17A eP      05:42:10.66   0.1   84.6 309 b:5.5+0 .92 4.8                   P17A
 SRU  eP      05:42:11.24   1.6X  84.4 309 b:6.3+0 .90 4.8                   SRU 
 WUAZ eP      05:42:12.09   0.0X  84.9 305 b:2.2+1 1.0 5.3                   WUAZ
 SNOW eP      05:42:12.22   0.3   84.9 313 b:1.6+1 1.1 5.2                   SNOW
 TPAW eP      05:42:12.54  -0.1X  85.0 313 b:8.5+0 1.0 4.9                   TPAW
 FXWY eP      05:42:12.54  -0.4X  85.1 314 b:3.8+0 .90 4.6                   FXWY
 TMUT eP      05:42:12.69   0.2X  84.9 309 b:3.8+0 .76 4.7                   TMUT
 LOHW eP      05:42:12.71   1.3X  84.8 314 b:8.9+0 1.0 4.9                   LOHW
 YHH  eP      05:42:13.01   0.3X  85.0 315 b:6.9+0 1.0 4.8                   YHH 
 MOOW eP      05:42:13.11   1.2X  84.9 314 b:5.3+0 .95 4.8                   MOOW
 IMW  eP      05:42:13.26   0.5X  85.0 314 b:5.2+0 1.0 4.7                   IMW 
 REDW eP      05:42:13.76   1.5X  84.9 313 b:9.9+0 1.1 4.9                   REDW
 JLU  eP      05:42:13.82   0.1   85.2 311 b:8.0+0 .98 4.9                   JLU 
 TCUT eP      05:42:13.94   0.3   85.2 311 b:1.7+1 .90 5.3                   TCUT
 FLWY eP      05:42:13.96   2.1X  84.9 314 b:9.6+0 1.0 5.0                   FLWY
 HWUT eP      05:42:14.61   0.3   85.3 312 b:9.7+0 .80 5.1                   HWUT
 MPU  eP      05:42:14.63   0.4   85.3 310 b:4.1+0 .94 4.6                   MPU 
 CTU  eP      05:42:14.93   0.2   85.4 311 b:6.4+0 .84 4.9                   CTU 
 NLU  eP      05:42:15.29  -0.6X  85.7 310 b:1.0+1 1.0 5.0                   NLU 
 QLMT eP      05:42:15.45   0.7   85.4 315                                   QLMT
 YMR  eP      05:42:15.62   2.6X  85.1 315 b:1.1+1 1.0 5.0                   YMR 
 MSU  eP      05:42:15.63  -0.4X  85.7 308                                   MSU 
 MTPU eP      05:42:15.81  -0.3X  85.7 308 b:2.2+1 .92 5.3                   MTPU
 PKCU eP      05:42:16.91   0.5X  85.7 307 b:1.6+1 1.0 5.1                   PKCU
 U15A eP      05:42:17.22   1.1X  85.7 306 b:6.9+0 1.0 4.8                   U15A
 HVU  eP      05:42:18.07  -0.7X  86.3 312 b:1.1+1 .98 5.0                   HVU 
 SPUT eP      05:42:18.52   0.9   86.0 311 b:6.9+0 1.0 4.8                   SPUT
 DUG  eP      05:42:18.54  -0.1X  86.2 310 b:1.0+1 1.0 5.0                   DUG 
 MCMT eP      05:42:19.09  -0.7   86.4 315                                   MCMT
 BGU  eP      05:42:19.23  -0.4X  86.4 311 b:9.5+0 1.0 4.9                   BGU 
 DLMT eP      05:42:19.72   0.9   86.3 315 b:7.5+0 1.1 4.8                   DLMT
 CCUT eP      05:42:20.50   0.0X  86.6 307 b:1.5+1 .94 5.2                   CCUT
 ARU  eP      05:42:22.55   0.7   87.0  34 b:8.2+0 .90 5.0                   ARU 
 PSUT eP      05:42:23.83   1.4X  87.0 308 b:1.1+1 .88 5.1                   PSUT
 W13A eP      05:42:24.82   2.5X  86.9 305 b:3.6+0 .95 4.6                   W13A
 ABKAReP      05:42:25.00   0.3   87.5  41 b:9.8+0 1.1 5.0                   ABKA
 YKB5 eP      05:42:26.36  -1.1   88.2 332                                   YKB5
 HLID eP      05:42:26.61   1.7X  87.5 313 b:6.3+0 1.0 4.8                   HLID
 SHPR eP      05:42:28.13   0.9X  88.0 306 b:4.7+0 .94 4.8                   SHPR
 ELK  eP      05:42:29.32   1.5X  88.1 311 b:5.5+0 1.0 4.8                   ELK 
 R11A eP      05:42:29.90   1.0X  88.3 308 b:7.5+0 1.1 4.9                   R11A
 TPNV eP      05:42:31.52   0.1   88.9 307                                   TPNV
 GSC  eP      05:42:33.51   0.0   89.3 305 b:9.4+0 .90 5.1                   GSC 
 BMO  eP      05:42:35.11   0.4X  89.6 315 b:6.1+0 .95 4.8                   BMO 
 NV11 eP      05:42:38.34   0.0   90.4 308 b:3.0-1 1.1 3.5                   NV11
 NV01 eP      05:42:39.07   0.1   90.5 308                                   NV01
 ISA  eP      05:42:42.19   2.4   90.7 306 b:6.6+0 1.0 4.9                   ISA 
 QSPA eP      05:42:45.06   5.3X  90.8 180 b:1.3+1 1.1 5.2                   QSPA
 CBYP eS      05:43:42.38  -2.4   41.8 297                                   CBYP



 Generated 2013 APR  3 at 05:50 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver