Phase Data

Explanation of Parameters


     25 FEB 2013  ( 56)

     ot  = 08:03:11.27   +/-   2.89              NORTHWESTERN IRAN               
     lat =      37.031   +/-   15.4
     lon =      45.401   +/-   14.5              MAGNITUDE 4.4 (GS)       
     dep =        10.0   +/-    2.0   

     41 km (26 miles) NW of Mahabad, Iran (pop 135,000)
     77 km (48 miles) SW of Orumiyeh, Iran (pop 583,000)
     85 km (53 miles) WSW of Maragheh, Iran (pop 149,000)
     561 km (349 miles) WNW of TEHRAN, Iran

     nph =   12 of  14    se = 1.42    FE=345                            A   

     error ellipse = (204.0,  0.0, 24.2;114.0,  0.0, 22.3;328.0, 89.0,  3.0)

 mb = 4.4 ( 10)  ML = 4.2 (  5)  mblg = 3.6 (  4)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 GNI  ePn     08:03:59.54  -1.6    3.1 351 L:9.0-1 1.0 4.0  g:1.3-1 .95 3.5  GNI 
 KIV  ePn     08:04:55.96  -1.0    7.2 344 L:2.0-2 3.1 3.6                   KIV 
 RAYN ePn     08:06:22.47   0.0   13.5 180                                   RAYN
      eSn     08:08:47.26  S res =  -5.0X
 IDI  ePn     08:07:05.18   0.3   16.7 270 b:7.0+0 1.0 3.8                   IDI 
 KKAR eP      08:07:47.18   2.0   20.1  65                                   KKAR
 KWP  eP      08:07:50.76  -0.4   20.7 315 b:8.7+1 1.1 5.0                   KWP 
 ARSB eP      08:08:05.19   2.1   21.8  70 b:7.6+0 1.0 4.0                   ARSB
 OJC  eP      08:08:11.46  -0.5   22.6 314 b:9.0+0 .60 4.4                   OJC 
 AQU  eP      08:08:36.89   0.8   25.1 292 b:1.8+1 .40 5.1                   AQU 
 GRA1 eP      08:08:58.86  -0.1   27.6 308 b:1.4+1 1.1 4.6                   GRA1
 SENINeP      08:09:16.03  -1.5   29.7 300 b:3.0+0 .85 4.1                   SENI
 BNI  eP      08:09:19.62  -1.0   30.1 298 b:9.7+0 1.0 4.6                   BNI 
 JNU  eP      08:14:11.48   2.4X  67.7  65 b:5.5+0 .90 4.8                   JNU 



 Generated 2013 FEB 25 at 08:40 UTC

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