Phase Data

Explanation of Parameters


      6 MAR 2013  ( 65)

     ot  = 22:03:26.78   +/-   2.98              OFFSHORE GUERRERO, MEXICO       
     lat =      16.103   +/-   12.2
     lon =     -98.825   +/-   15.3              MAGNITUDE 4.5 (GS)       
     dep =         9.8   +/-    3.1   

     141 km (88 miles) SE of Acapulco, Guerrero, Mexico (pop 616,000)
     175 km (109 miles) SSE of Chilpancingo, Guerrero, Mexico
     220 km (137 miles) SSW of Huajuapan de Leon, Oaxaca, Mexico
     368 km (229 miles) S of MEXICO CITY, D.F., Mexico

     nph =   29 of 139    se = 1.47    FE=058                            A   

     error ellipse = (237.0,  2.0, 26.4;146.0,  2.0, 14.5; 16.0, 86.0,  4.5)

 mb = 4.5 (121)  ML = 5.3 (  4)  mblg = 4.3 (  6)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 UNM  ePg     22:04:23.39  -1.0    3.2 354 L:2.0+1 1.3 5.4  g:3.5+0 .80 4.9  UNM 
      eSn     22:05:04.65  S res =   8.2X
 LVIG ePn     22:04:28.85  -3.0    4.3  32 g:1.1+0 .95 4.5                   LVIG
 MOIG ePn     22:04:37.87   6.6    4.2 328 L:6.8+0 1.0 5.3                   MOIG
      eSn     22:05:30.04  S res =   9.4X
 CCIG ePn     22:05:04.00   2.2    6.4  88 g:1.9-1 1.1 4.0                   CCIG
 ZAIG ePn     22:05:16.92   0.2    7.5 333 g:1.2-1 1.1 3.9                   ZAIG
 LNIG ee      22:05:49.53   0.0X   8.8 356 g:8.0-2 1.2 3.8                   LNIG
 JCT  ePn     22:06:55.31   5.3   14.3 357                                   JCT 
 435B ePn     22:06:58.73   4.5X  14.7   4                                   435B
 WHTX ePn     22:07:14.15   3.8X  15.9   4 b:3.4+1 .85 4.5                   WHTX
 ABTX ePn     22:07:16.65  -1.4   16.5 358 b:1.7+1 1.0 4.1                   ABTX
 MNTX ePn     22:07:19.01  -1.2   16.6 340 b:5.8+0 1.0 3.7                   MNTX
 GDL2 ePn     22:07:23.19   0.8   16.8 344                                   GDL2
 MSTX ePn     22:07:38.52  -0.5X  18.1 349 b:2.3+1 .95 4.3                   MSTX
 TUC  eP      22:07:45.86  -7.9X  19.4 328 b:7.5+0 1.1 3.9                   TUC 
 WMOK eP      22:07:46.90   3.1X  18.6   0 b:4.6+0 1.0 3.6                   WMOK
 BNM  eP      22:07:54.52   2.3X  19.3 340                                   BNM 
 W39A eP      22:07:54.65   0.0   19.5  12 b:2.0+1 1.1 4.3                   W39A
 ANMO eP      22:07:59.53   0.0   20.0 341 b:5.3+0 .75 4.0                   ANMO
 LAZ  esP     22:08:03.07   5.6X  19.5 339                                   LAZ 
 W41B eP      22:08:03.90   5.6   19.9  16 b:1.8+1 1.0 4.3                   W41B
 LENM esP     22:08:04.35   7.7X  19.4 339                                   LENM
 WHAR eP      22:08:04.54   5.1   20.0  16 b:1.4+1 .86 4.3                   WHAR
 Z50A eP      22:08:07.47   0.4X  20.7  32 b:1.5+1 .95 4.3                   Z50A
 152A eP      22:08:08.95  -0.1X  20.9  35 b:1.3+1 .70 4.4                   152A
 PLAL eP      22:08:12.87   1.1X  21.1  25 b:1.9+1 .90 4.5                   PLAL
 113A eP      22:08:15.72   0.8X  21.4 324 b:1.3+1 .90 4.3                   113A
 T25A eP      22:08:18.02   1.6X  21.5 348 b:1.8+1 .95 4.4                   T25A
 T42A eP      22:08:20.55   0.0X  21.9  17 b:7.4+0 .80 4.2                   T42A
 Y14A eP      22:08:20.67   0.7X  21.9 327 b:1.9+1 1.1 4.4                   Y14A
 PBMO eP      22:08:21.49   1.4X  21.9  18 b:2.4+1 .85 4.6                   PBMO
 GOGA eP      22:08:21.92  -0.6X  22.1  36 b:2.0+1 .75 4.6                   GOGA
 Y52A eP      22:08:22.57  -0.1X  22.1  34 b:2.5+1 .85 4.7                   Y52A
 WVT  eP      22:08:22.84  -0.7   22.2  24 b:1.7+1 .80 4.6                   WVT 
 SWET eP      22:08:23.58  -0.5X  22.3  29 b:1.2+1 .66 4.5                   SWET
 GLA  eP      22:08:24.44   0.7X  22.2 322 b:2.1+1 1.0 4.5                   GLA 
 SDCO eP      22:08:25.42   0.2X  22.3 346 b:6.0+0 .85 4.1                   SDCO
 V48A eP      22:08:25.52   1.1X  22.3  27 b:1.5+1 1.0 4.4                   V48A
 W50A eP      22:08:27.82   0.8X  22.5  30 b:1.6+1 .75 4.6                   W50A
 CCM  eP      22:08:28.15  -2.2   22.9  16 b:6.2+0 .70 4.2                   CCM 
 Y12C eP      22:08:28.34   1.1X  22.6 324 b:1.3+1 .95 4.4                   Y12C
 FVM  eP      22:08:28.49  -3.5X  23.0  17 b:1.2+1 .70 4.5                   FVM 
 MVCO eP      22:08:28.81  -0.1X  22.7 340 b:2.9+1 1.1 4.7                   MVCO
 S22A eP      22:08:29.12   0.2X  22.7 343 b:1.6+1 1.0 4.4                   S22A
 KSU1 eP      22:08:29.85  -1.9   23.0   4 b:1.8+1 .70 4.7                   KSU1
 KSCO eP      22:08:30.64  -2.0   23.1 352 b:2.0+1 .85 4.7                   KSCO
 CPCT eP      22:08:33.35   0.2X  23.1  31 b:2.6+1 1.0 4.7                   CPCT
 W52A eP      22:08:33.67   0.3X  23.1  32 b:3.4+1 1.1 4.8                   W52A
      eSn     22:13:20.92  S res =  19.0X
 SIUC eP      22:08:33.69   0.5X  23.1  20 b:2.6+1 .70 4.9                   SIUC
 T47A eP      22:08:34.45  -0.1X  23.3  24 b:2.8+1 1.0 4.7                   T47A
 U15A eP      22:08:35.17  -2.5X  23.5 332 b:9.7+0 .80 4.4                   U15A
 W13A eP      22:08:36.32   1.8X  23.2 327 b:3.9+0 .75 4.0                   W13A
 V51A eP      22:08:36.80  -0.2X  23.5  31 b:2.8+1 .95 4.8                   V51A
 PV01 eP      22:08:37.89  -0.2X  23.6 341 b:4.2+0 .92 4.0                   PV01
 PV15 eP      22:08:39.88   0.4X  23.7 341 b:1.8+1 1.0 4.6                   PV15
 PV07 eP      22:08:41.06   0.2   23.9 341 b:2.0+1 1.1 4.6                   PV07
 SMCO eP      22:08:43.11   0.3X  24.1 344 b:1.3+1 .95 4.5                   SMCO
 PV23 eP      22:08:43.90   1.9X  24.0 340 b:1.2+1 .80 4.6                   PV23
 Q44A eP      22:08:44.02  -0.3X  24.3  19 b:2.6+1 .80 4.9                   Q44A
 PV14 eP      22:08:45.42   4.0X  23.9 340 b:1.2+1 .80 4.5                   PV14
 ISCO eP      22:08:45.51   0.3   24.3 347                                   ISCO
 P42A eP      22:08:46.00  -0.6X  24.5  16 b:2.9+1 .95 4.9                   P42A
 LCMT eP      22:08:46.90   1.0X  24.4 331 b:6.5+0 .86 4.3                   LCMT
      eS      22:13:09.58  S res =   3.5X
 WCI  eP      22:08:47.39  -0.2   24.6  24 b:2.2+1 1.0 4.7                   WCI 
 O20A eP      22:08:50.85  -3.0X  25.3 343 b:2.2+1 1.0 4.8                   O20A
 MTPU eP      22:08:51.00   1.3X  24.8 334 b:1.6+1 1.1 4.6                   MTPU
 OGNE eP      22:08:51.30   1.2X  24.9 354 b:4.8+1 1.1 5.1                   OGNE
 CCUT eP      22:08:51.77   1.3X  24.9 332 b:3.3+0 .82 4.1                   CCUT
 SHPR eP      22:08:52.28   1.5X  25.0 328 b:7.8+0 1.1 4.3                   SHPR
 SRU  eP      22:08:52.31   0.3X  25.1 338 b:1.4+1 .96 4.6                   SRU 
 GSC  eP      22:08:53.22   2.4X  25.0 323 b:1.0+1 1.0 4.4                   GSC 
 Q16A eP      22:08:53.60   0.9X  25.2 337 b:1.0+1 1.1 4.4                   Q16A
 N41A eP      22:08:53.92  -1.2X  25.5  14 b:2.4+1 .85 4.9                   N41A
 N23A eP      22:08:56.07   0.7X  25.5 347 b:1.5+1 1.1 4.6                   N23A
 TMUT eP      22:08:56.38   0.4X  25.5 337 b:9.9+0 .82 4.5                   TMUT
 HDIL eP      22:08:57.04  -0.4X  25.7  17 b:3.5+1 .80 5.1                   HDIL
 P17A eP      22:08:57.91   2.3X  25.5 338 b:9.2+0 .96 4.4                   P17A
 PHWY eP      22:08:58.64   0.6X  25.8 349 b:1.1+1 .90 4.5                   PHWY
 TPNV eP      22:09:01.95   2.9X  25.9 327 b:1.8+1 1.1 4.7                   TPNV
 NLU  eP      22:09:04.64   0.6X  26.4 337 b:6.1+0 .96 4.3                   NLU 
 SDDR eP      22:09:06.02   2.2   26.4  80 b:1.2+1 1.0 4.5                   SDDR
 L42A eP      22:09:08.00  -0.8X  27.0  15 b:2.8+1 .90 4.9                   L42A
 DUG  eP      22:09:08.65   0.3X  26.9 336 b:4.1+0 1.0 4.1                   DUG 
 R11A eP      22:09:08.92   3.2X  26.6 330 b:3.7+0 1.0 4.0                   R11A
 ECSD eP      22:09:13.46  -0.9X  27.6   4 b:5.7+0 .75 4.4                   ECSD
 PDAR eP      22:09:17.64  -1.6X  28.1 343                                   PDAR
 PD31 eP      22:09:19.07  -0.2X  28.1 343 b:6.5+0 1.0 4.3                   PD31
 NV11 eP      22:09:19.07   1.0X  28.0 326 b:4.0-1 1.0 3.2                   NV11
 BW06 eP      22:09:19.10  -0.1X  28.1 343 b:6.1+0 1.0 4.3                   BW06
 NV01 eP      22:09:19.50   0.7X  28.1 326                                   NV01
 BGU  epwP    22:09:21.33   2.1   27.6 336                                   BGU 
 HVU  eP      22:09:21.49   1.0X  28.3 338 b:7.0+0 .96 4.4                   HVU 
 KVN  eP      22:09:22.81   0.9X  28.4 327 b:6.1+0 1.2 4.3                   KVN 
 SDV  eP      22:09:24.72   2.6   28.4 101 b:6.1+0 .70 4.5                   SDV 
 REDW eP      22:09:27.59   0.2X  29.0 342 b:3.3+0 .70 4.2                   REDW
 LOHW eP      22:09:28.99   0.2X  29.2 342 b:4.9+0 .75 4.4                   LOHW
 FXWY eP      22:09:30.19   0.1X  29.3 342 b:5.0+0 1.0 4.3                   FXWY
 MOOW eP      22:09:30.24   0.0X  29.4 342 b:3.3+0 .90 4.1                   MOOW
 TPAW eP      22:09:30.36   1.6X  29.2 342 b:4.8+0 1.0 4.3                   TPAW
 IMW  eP      22:09:32.16   0.1X  29.5 342 b:5.9+0 1.0 4.3                   IMW 
 RLMT eP      22:09:39.04   1.1X  30.2 345 b:3.4+0 .80 4.3                   RLMT
 HLID eP      22:09:39.97   0.4X  30.4 337 b:3.8+0 1.0 4.2                   HLID
 YHH  eP      22:09:39.98   0.9X  30.3 343 b:2.3+0 .96 4.0                   YHH 
 DLMT eP      22:09:49.11   1.1X  31.4 341 b:6.9+0 .95 4.5                   DLMT
 MDND eP      22:09:50.17  -0.1X  31.7 359 b:6.5+1 1.0 5.5                   MDND
 J08A eP      22:09:53.35   0.7X  31.9 332 b:8.4+0 .85 4.7                   J08A
 AGMN eP      22:09:54.22  -0.7X  32.2   4 b:1.5+1 .70 5.0                   AGMN
 BMO  eP      22:09:58.40  -0.5X  32.6 335 b:4.6+0 1.1 4.3                   BMO 
 F10A eP      22:10:06.60  -0.1X  33.5 337 b:1.5+1 .85 4.9                   F10A
 G08A eP      22:10:07.62  -0.3X  33.7 334 b:5.4+0 .95 4.4                   G08A
 ULM  eP      22:10:10.57  -1.3X  34.1   3 b:1.3+1 1.1 4.8                   ULM 
 C09A eP      22:10:23.20   0.0X  35.5 337 b:9.4+0 .75 4.7                   C09A
 LTY  eP      22:10:27.88   0.3X  35.9 334 b:8.6+0 1.1 4.5                   LTY 
 FFC  eP      22:10:49.22  -0.9   38.6 357 b:9.1+0 .95 4.5                   FFC 
 X40A eSn     22:11:24.62   0.4X  19.1  15                                   X40A
 EGAK eP      22:13:07.26  -0.8   56.4 340 b:5.3+0 1.0 4.5                   EGAK
 PV17 eSn     22:13:07.46 -10.9X  23.8 340                                   PV17
 PV20 eS      22:13:07.64  10.4X  23.9 340                                   PV20
 INK  eP      22:13:09.67  -0.2   56.6 345 b:6.3+0 1.0 4.6                   INK 
 DOT  eP      22:13:11.16   0.6   56.7 338 b:7.2+0 1.0 4.6                   DOT 
 PAX  eP      22:13:11.76   0.2X  56.9 337 b:2.9+0 .88 4.3                   PAX 
 RIDG eP      22:13:13.58   0.6X  57.1 338 b:5.8+0 .84 4.6                   RIDG
 HDA  eP      22:13:20.22  -0.7X  58.2 338 b:2.9+0 .92 4.3                   HDA 
 IL1  eP      22:13:21.34  -0.8X  58.4 338                                   IL1 
 SUA  eP      22:13:21.60   0.3X  58.2 334 b:1.2+1 1.2 4.8                   SUA 
 PRP  eP      22:13:22.04   0.2X  58.3 339 b:6.8+0 1.1 4.6                   PRP 
 ILB  eP      22:13:22.32   0.2X  58.4 338 b:6.4+0 1.1 4.6                   ILB 
 RND  eP      22:13:23.24   0.9X  58.4 336 b:8.2+0 1.0 4.8                   RND 
 MCK  eP      22:13:23.72   0.1X  58.6 336 b:5.8+0 .88 4.7                   MCK 
 WRH  eP      22:13:23.90  -0.1X  58.6 337 b:6.1+0 1.0 4.6                   WRH 
 BWN  eP      22:13:26.56   0.4X  59.0 337 b:1.8+1 .84 5.2                   BWN 
 TRF  eP      22:13:26.57   0.0X  59.0 336 b:5.7+0 .76 4.8                   TRF 
 V53A eSn     22:13:27.37   1.0X  24.2  33                                   V53A
 CAST eP      22:13:30.58  -0.6X  59.7 335 b:6.8+0 1.1 4.7                   CAST
 MLY  eP      22:13:32.86   0.0   59.9 337 b:6.3+0 1.0 4.7                   MLY 
 TIXI eP      22:16:10.30  -0.6   86.8 346 b:2.2+0 .50 4.6                   TIXI



 Generated 2013 MAR  6 at 22:30 UTC

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