Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


      7 MAR 2009  ( 66)

     ot  = 14:33:06.25   +/-   1.17              HOKKAIDO, JAPAN REGION          
     lat =      41.819   +/-    5.3
     lon =     143.577   +/-    4.7              MAGNITUDE 5.3 (GS)       
     dep =        39.5   +/-    8.5   

     145 km (90 miles) SSW of Kushiro, Hokkaido, Japan (pop 199,000)
     230 km (140 miles) NE of Hachinohe, Honshu, Japan
     230 km (145 miles) SE of Sapporo, Hokkaido, Japan
     760 km (470 miles) NNE of TOKYO, Japan

     nph =  157 of 162    se = 0.58    FE=224                            A   

     error ellipse = (290.0, 70.0, 13.4;151.0, 14.0,  8.8; 58.0, 12.0,  4.8)

 mb = 5.3 (162)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.1 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ERM  ePn     14:33:15.51   0.2    0.4 302 d:2.7+2     4.1                   ERM 
 ASAJ ePn     14:33:43.74   0.6    2.4 342                                   ASAJ
 MAJO ePn     14:34:41.99  -0.4    6.7 220                                   MAJO
 JNU  ePn     14:36:11.33  -1.1   13.3 233                                   JNU 
 INCN ePn     14:36:19.06   0.4   13.8 257                                   INCN
 JOW  eP      14:37:28.44  -1.9   19.5 224 b:5.9+1 1.0 4.8                   JOW 
 TATO eP      14:38:24.44  -0.3   24.8 234 b:2.6+2 1.1 5.7                   TATO
 SSLB eP      14:38:35.05  -0.8   26.0 233 b:7.8+1 1.3 5.1                   SSLB
 ULN  eP      14:38:39.38   0.2   26.4 295 b:2.1+2 1.0 5.7                   ULN 
 TPUB eP      14:38:40.71  -0.2   26.6 233 b:8.6+2 2.7 5.9                   TPUB
 SVW2 eP      14:40:43.42   0.6   40.7  40 b:3.2+1 1.0 5.0                   SVW2
 RSO  eP      14:40:54.74  -0.1   42.1  41                                   RSO 
 SPU  eP      14:40:57.15   0.1   42.4  40                                   SPU 
 TRF  eP      14:41:01.89  -1.0   43.1  36 b:3.0+1 .96 5.0                   TRF 
 COLD eP      14:41:01.98  -0.8   43.1  31 b:2.4+1 .96 4.9                   COLD
 MKAR eP      14:41:03.02   0.1   43.1 298                                   MKAR
 KKM  eP      14:41:04.26   1.2   43.2 221 b:5.7+1 1.2 5.2                   KKM 
 SEW  eP      14:41:06.31  -1.7   43.8  41 b:5.2+1 1.0 5.2                   SEW 
 PMR  eP      14:41:07.09  -0.9   43.8  39 b:2.6+1 .88 5.0                   PMR 
 SML  eP      14:41:10.57  -0.4   44.1  39 b:3.3+1 1.1 5.0                   SML 
 CHTO eP      14:41:11.98   0.4   44.2 252 b:2.9+1 .70 5.2                   CHTO
 KURK eP      14:41:13.00  -0.1   44.4 304 b:1.7+2 1.0 5.8                   KURK
 PAX  eP      14:41:20.50   0.0   45.3  37 b:3.5+1 1.1 5.2                   PAX 
 DIV  eP      14:41:21.75   0.4   45.4  39 b:7.5+1 1.0 5.5                   DIV 
 DOT  eP      14:41:23.83  -0.9   45.9  36 b:2.6+1 .80 5.2                   DOT 
 BMRM eP      14:41:26.09   0.1   46.0  40 b:5.9+1 .96 5.5                   BMRM
 EGAK eP      14:41:32.25  -1.0   47.0  34 b:4.5+1 .90 5.4                   EGAK
 BRVK eP      14:41:46.94   0.1   48.7 309 b:1.0+2 1.0 5.8                   BRVK
 KSM  eP      14:41:57.90   0.6   50.1 225 b:1.2+2 1.4 5.7                   KSM 
 EKS2 eP      14:41:59.06   0.2   50.3 295 b:6.0+1 .85 5.6                   EKS2
 KAPI eP      14:42:06.30  -1.1   51.5 210 b:6.6+1 1.5 5.4                   KAPI
 KKAR eP      14:42:13.51  -0.1   52.3 297                                   KKAR
 KULM eP      14:42:16.55  -0.5   52.7 238 b:5.7+1 .90 5.6                   KULM
 IPM  eP      14:42:20.05   0.2   53.1 237 b:2.2+2 2.0 5.8                   IPM 
 ARU  eP      14:42:25.48  -0.2   53.9 316 b:1.9+2 .90 6.1                   ARU 
 COEN eP      14:42:37.31   0.1   55.5 180 b:1.3+2 .90 6.0                   COEN
 KBS  eP      14:42:41.84  -0.1   56.2 349 b:5.6+1 1.1 5.5                   KBS 
 ABKAReP      14:42:42.22   0.1   56.2 308                                   ABKA
 RES  eP      14:42:49.86  -1.3   57.5  15 b:8.4+1 .80 5.8                   RES 
 KBL  eP      14:42:49.90  -0.8   57.3 289 b:7.0+1 .90 5.7                   KBL 
 UGM  eP      14:42:53.81  -1.3   58.0 219 b:1.8+2 1.2 6.0                   UGM 
 KEV  eP      14:43:04.86  -0.5   59.5 338 b:1.0+2 .90 6.0                   KEV 
 LON  eP      14:43:36.11   1.7   63.8  49 b:1.5+1 1.0 5.0                   LON 
 KEBM eP      14:43:40.57   1.6   64.5  54 b:1.5+2 1.4 5.8                   KEBM
 OBN  eP      14:43:43.35  -0.3   65.2 322 b:1.5+2 1.0 6.0                   OBN 
 HAWA eP      14:43:44.27   0.1   65.3  49 b:1.6+1 1.0 5.0                   HAWA
 NEW  eP      14:43:45.47  -0.3   65.5  46 b:1.4+1 .90 5.0                   NEW 
 SUMG eP      14:43:47.68  -0.2   65.8   0 b:1.2+2 .80 6.0                   SUMG
 KHMM eP      14:43:50.46   1.6   66.0  56 b:4.2+1 1.1 5.4                   KHMM
 MBWA eP      14:43:50.82  -0.5   66.5 204 b:2.3+1 1.1 5.2                   MBWA
 BSMT eP      14:43:55.84   0.2   67.0  45                                   BSMT
 BLMT eP      14:43:56.90   0.5   67.1  45                                   BLMT
 JTMT eP      14:43:57.49  -0.2   67.3  45                                   JTMT
 BMO  eP      14:43:58.22   0.0   67.4  49 b:7.8+0 .85 4.8                   BMO 
 MOD  eP      14:43:58.52   0.1   67.5  53 b:1.5+1 1.1 5.0                   MOD 
 SWMT eP      14:43:59.25  -0.2   67.6  45                                   SWMT
 SLMT eP      14:44:01.76  -0.5   68.1  45                                   SLMT
 MSO  eP      14:44:02.06  -0.3   68.1  46 b:1.3+1 1.0 4.9                   MSO 
 CHMT eP      14:44:03.86  -0.6   68.4  45                                   CHMT
 FFC  eP      14:44:04.86  -1.1   68.7  34 b:3.7+1 1.0 5.4                   FFC 
 KIV  eP      14:44:08.69   0.8   69.0 310 b:2.3+2 .90 6.2                   KIV 
 MFID eP      14:44:09.01   0.0   69.2  50 b:1.4+1 1.0 4.9                   MFID
 HRY  eP      14:44:09.65  -0.2   69.3  45                                   HRY 
 WCN  eP      14:44:10.82   0.5   69.4  55 b:2.6+1 1.1 5.2                   WCN 
 LRM  eP      14:44:11.03  -0.4   69.5  46                                   LRM 
 EGMT eP      14:44:11.09  -0.2   69.5  43 b:3.2+1 1.0 5.3                   EGMT
 CMB  eP      14:44:12.42  -0.1   69.7  56 b:6.9+1 1.8 5.4                   CMB 
 DLMT eP      14:44:12.66   0.0   69.7  46 b:2.6+1 1.0 5.2                   DLMT
 HLID eP      14:44:13.34  -0.1   69.9  49 b:1.5+1 1.2 4.9                   HLID
 BOZ  eP      14:44:15.03   0.3   70.1  46 b:1.6+1 .80 5.1                   BOZ 
 BMN  eP      14:44:16.24   0.8   70.2  53 b:3.0+1 1.3 5.2                   BMN 
 QLMT eP      14:44:18.88   0.2   70.7  46                                   QLMT
 ELK  eP      14:44:21.83   0.3   71.2  51 b:0.0+0 1.2 4.8                   ELK 
 KIEV eP      14:44:22.26  -0.6   71.5 322 b:9.7+1 .90 5.8                   KIEV
 PTRM eP      14:44:22.65   0.5   71.3  58                                   PTRM
 MTUM eP      14:44:23.78   1.6   71.3  56                                   MTUM
 IMW  eP      14:44:24.50   0.4   71.6  47 b:2.2+1 .90 5.2                   IMW 
 RLMT eP      14:44:24.52   0.0   71.7  45 b:3.2+1 1.6 5.1                   RLMT
 FLWY eP      14:44:25.03   1.0   71.6  46 b:1.8+1 .95 5.0                   FLWY
 DCID1eP      14:44:25.07   0.7   71.7  47 b:3.5+1 .85 5.4                   DCID
 MOOW eP      14:44:25.58   0.4   71.8  47 b:2.2+1 1.0 5.1                   MOOW
 RRI2 eP      14:44:25.65   0.7   71.7  47 b:2.5+1 .90 5.2                   RRI2
 DGMT eP      14:44:25.86  -0.4   72.0  40 b:2.7+1 .85 5.2                   DGMT
 LOHW eP      14:44:26.30   0.1   72.0  47 b:1.6+1 1.1 4.9                   LOHW
 TPAW eP      14:44:26.44   0.8   71.9  47 b:3.8+1 1.1 5.3                   TPAW
 REDW eP      14:44:26.69   0.3   72.0  47 b:3.1+1 1.3 5.1                   REDW
 SNOW eP      14:44:27.25   0.9   72.0  47 b:2.1+1 1.0 5.1                   SNOW
 ISA  eP      14:44:28.08  -0.7   72.4  57 b:1.5+1 1.1 4.9                   ISA 
 ARMA eP      14:44:28.12   0.8   72.3 172 b:2.7+1 1.3 5.1                   ARMA
 HWUT eP      14:44:31.14   0.3   72.7  49 b:2.5+1 1.1 5.1                   HWUT
 BW06 eP      14:44:32.29  -0.7   73.1  47 b:1.5+1 1.0 4.9                   BW06
 DUG  eP      14:44:32.34   0.3   72.9  51 b:3.6+1 1.2 5.2                   DUG 
 STKA eP      14:44:33.64   0.0   73.4 181 b:2.3+0 1.0 4.1                   STKA
 JLU  eP      14:44:35.47   0.3   73.5  50 b:2.4+1 1.4 5.0                   JLU 
 MWC  eP      14:44:36.29   0.4   73.6  58 b:4.0+1 1.0 5.3                   MWC 
 GSC  eP      14:44:36.44   0.1   73.7  57 b:2.4+1 1.2 5.0                   GSC 
 MPU  eP      14:44:37.10   0.3   73.7  50 b:1.9+1 .82 5.1                   MPU 
 DAU  eP      14:44:37.14   0.5   73.7  50                                   DAU 
 ULM  eP      14:44:39.45  -1.6   74.5  34 b:1.2+1 1.1 4.8                   ULM 
 CCUT eP      14:44:40.79   0.4   74.4  53 b:2.3+1 1.0 5.1                   CCUT
 TMUT eP      14:44:41.29   0.2   74.5  50 b:4.0+1 1.5 5.2                   TMUT
 MSU  eP      14:44:41.48   0.7   74.4  52                                   MSU 
 LDFC eP      14:44:43.56   0.6   74.8  56 b:1.0+2 1.3 5.6                   LDFC
 RSSD eP      14:44:43.88  -0.8X  75.1  43 b:1.2+1 .80 4.9                   RSSD
 SRU  eP      14:44:44.07   0.1   75.0  50 b:3.0+1 .96 5.2                   SRU 
 PFO  eP      14:44:44.40   0.4   75.0  58 b:2.4+1 1.0 5.1                   PFO 
 AGMN eP      14:44:47.86  -1.6   76.0  36 b:1.4+1 .95 4.9                   AGMN
 OJC  eP      14:44:48.88  -0.1   75.9 326 b:7.7+1 .90 5.7                   OJC 
 PHWY eP      14:44:51.19  -0.6   76.3  46 b:2.3+1 1.5 4.9                   PHWY
 PV04 eP      14:44:52.31   0.2   76.4  50                                   PV04
 GLA  eP      14:44:52.40   0.5   76.4  57 b:3.1+1 .95 5.3                   GLA 
 SMCO eP      14:44:55.33  -0.2   77.0  48 b:1.7+1 1.1 5.0                   SMCO
 MORC eP      14:44:56.62   0.5   77.2 327 b:5.7+1 1.0 5.6                   MORC
 DPC  eP      14:44:56.96   0.9   77.1 328 b:3.5+2 1.9 6.1                   DPC 
 ISCO eP      14:44:57.16  -0.1   77.3  47 b:1.3+1 .90 4.9                   ISCO
 MVCO eP      14:44:58.22   0.2   77.4  51 b:3.0+1 1.1 5.2                   MVCO
 PSZ  eP      14:44:59.24   0.4   77.6 325 b:1.4+2 1.6 5.7                   PSZ 
 EYMN eP      14:45:00.36  -1.2   78.1  34 b:2.4+1 .85 5.2                   EYMN
 NWAO eP      14:45:01.69   0.2   78.3 202 b:4.1+1 1.1 5.4                   NWAO
 ECSD eP      14:45:05.59  -1.1   79.1  39 b:3.5+1 .90 5.3                   ECSD
 KHC  eP      14:45:08.08   0.5   79.2 329 b:4.3+1 .70 5.5                   KHC 
 TUC  eP      14:45:08.55  -0.2X  79.4  56 b:2.2+1 1.1 5.1                   TUC 
 GRFO eP      14:45:10.50   0.7   79.6 330 b:7.1+1 .90 5.6                   GRFO
 SCHQ eP      14:45:11.94  -0.7   80.2  17 b:3.8+1 .90 5.4                   SCHQ
 ANMO eP      14:45:13.46   0.3   80.2  51 b:1.9+1 1.0 5.0                   ANMO
 CSS  eP      14:45:14.39   0.6   80.4 308 b:6.1+1 1.0 5.5                   CSS 
 LENM eP      14:45:14.76   0.3   80.5  52                                   LENM
 LPM  eP      14:45:15.42   0.4   80.6  52                                   LPM 
 STU  eP      14:45:17.96   0.1   81.1 331 b:5.3+1 .80 5.6                   STU 
 TRI  eP      14:45:21.25  -0.9   81.9 327 b:3.0+1 .80 5.4                   TRI 
 BFO  eP      14:45:21.31  -0.2   81.8 331 b:6.0+1 1.3 5.5                   BFO 
 SCIA eP      14:45:22.72  -0.1   82.1  39 b:6.9+1 .90 5.7                   SCIA
 KSU1 eP      14:45:24.14  -1.3   82.6  42 b:3.9+1 .75 5.5                   KSU1
 FUORNeP      14:45:26.10   0.4   82.6 329 b:6.6+1 .85 5.7                   FUOR
 TIR  eP      14:45:26.62   0.3   82.7 320 b:1.0+2 1.0 5.8                   TIR 
 AMTX eP      14:45:27.89   0.2   83.0  48 b:3.0+1 .95 5.3                   AMTX
 TUE  eP      14:45:27.95  -0.1   83.0 330 b:2.8+1 .80 5.4                   TUE 
 GDL2 eP      14:45:30.03   0.2   83.4  52                                   GDL2
 SENINeP      14:45:32.60   0.2   83.9 331 b:2.1+2 2.1 5.9                   SENI
 IDI  eP      14:45:36.42  -0.8   84.9 313 b:1.0+2 1.0 6.0                   IDI 
 HDIL eP      14:45:37.14  -0.5   85.0  37 b:5.8+1 .80 5.8                   HDIL
 AQU  eP      14:45:37.63   0.5   84.8 325 b:9.3+1 1.1 5.9                   AQU 
 BNI  eP      14:45:39.10   0.0   85.2 330 b:3.7+1 1.0 5.5                   BNI 
 AAM  eP      14:45:42.47  -0.1   86.0  33 b:3.0+1 .90 5.5                   AAM 
 TIP  eP      14:45:42.85   0.3   85.9 321 b:7.4+1 1.2 5.8                   TIP 
 OLIL eP      14:45:47.38  -0.2   87.0  37 b:3.6+1 .85 5.6                   OLIL
 JCT  eP      14:45:48.66  -0.6   87.3  50 b:3.6+1 1.0 5.6                   JCT 
 SIUC eP      14:45:48.66  -0.4   87.3  39 b:1.0+2 .80 6.1                   SIUC
 ERPA eP      14:45:49.99  -0.5   87.6  30 b:8.1+1 1.5 5.8                   ERPA
 MIAR eP      14:45:50.29  -0.5   87.6  43 b:3.3+1 .90 5.6                   MIAR
 USIN eP      14:45:50.70  -0.8   87.8  38                                   USIN
 PARMOeP      14:45:51.68  -0.2   87.9  40                                   PARM
 ACSO eP      14:45:51.92  -0.5   88.0  33 b:4.8+1 .90 5.8                   ACSO
 ALLY eP      14:45:52.02  -0.1   87.9  31 b:5.8+1 .95 5.8                   ALLY
 WCI  eP      14:45:52.81  -0.7X  88.2  37 b:3.4+1 .80 5.7                   WCI 
 ACCN eP      14:45:55.50  -0.4   88.7  26 b:2.5+1 1.1 5.4                   ACCN
 BINY eP      14:45:56.75  -0.4   89.0  28 b:2.0+1 1.0 5.4                   BINY
 SSPA eP      14:46:00.14  -0.1   89.6  30 b:4.2+1 1.0 5.7                   SSPA
 SWET eP      14:46:05.23  -0.7X  90.8  38 b:2.1+1 .90 5.5                   SWET
 TZTN eP      14:46:05.60  -0.2   90.8  36 b:1.8+1 .90 5.4                   TZTN
 CPCT eP      14:46:07.58  -0.4X  91.3  37                                   CPCT
 TKL  eP      14:46:08.07  -0.7   91.4  36                                   TKL 



 Generated 2009 MAR  7 at 14:53 UTC

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


FirstGov button  Take Pride in America button