Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


      9 APR 2009  ( 99)

     ot  = 08:18:37.16   +/-   0.38              SUMBA REGION, INDONESIA         
     lat =      -9.968   +/-    6.4
     lon =     120.567   +/-    9.1              MAGNITUDE 4.8 (GS)       
     dep =        35.0  (geophysicist)

     175 km (105 miles) SW of Ende, Flores, Indonesia
     260 km (160 miles) SE of Raba, Sumbawa, Indonesia
     1155 km (720 miles) WNW of DARWIN, Northern Territory, Australia
     1575 km (980 miles) ESE of JAKARTA, Java, Indonesia

     nph =   22 of  28    se = 1.05    FE=287                            A   

     error ellipse = ( 61.4,  0.0, 13.3;151.4,  0.0,  6.2;  0.0,  0.0,  0.0)

 mb = 4.8 ( 11)  ML = 4.3 (  1)  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
 KAPI ePn     08:19:49.23  -0.4    5.0 351 L:2.6-1 1.0 4.3                   KAPI
      eSn     08:20:46.36  S res =   0.3X
 FITZ ePn     08:20:49.99  -1.1    9.5 149                                   FITZ
      eSn     08:22:26.72  S res =  -9.6X
 UGM  ePn     08:21:01.30   1.0   10.1 281                                   UGM 
 MBWA ePn     08:21:12.93  -1.3   11.2 184                                   MBWA
 KSM  qPn     08:22:10.98   0.6   15.3 318 b:1.9+1 1.0 4.3                   KSM 
 WRAB ePn     08:22:26.43  -0.7   16.6 128 b:5.9+1 .70 4.8                   WRAB
 KKM  qPn     08:22:26.85   0.8   16.5 345 b:8.6+1 1.6 4.6                   KKM 
 AS31 eP      08:22:53.25   1.1   18.6 139                                   AS31
      eS      08:26:06.83  S res = -13.4X
 FORT eP      08:23:27.78   1.0   21.9 162 b:6.4+1 .80 5.1                   FORT
 COEN eP      08:23:34.23   0.7   22.5 102 b:1.2+2 .65 5.5                   COEN
      eS      08:27:39.58  S res =   0.9X
 NWAO eP      08:23:39.28  -0.3   23.1 187 b:2.3+1 .60 4.9                   NWAO
 BBOO eP      08:24:15.39   0.8   26.9 150 b:5.1+2 .80 6.2X                  BBOO
      ePcP    08:27:37.81   1.2X
 STKA eP      08:24:35.11  -0.7   29.2 141 b:6.9+0 1.0 4.3                   STKA
      ePcP    08:27:43.43   0.9X
 ULN  eP      08:28:31.43  -0.8   58.8 349 b:5.8+0 .45 5.0                   ULN 
 TLY  eP      08:29:00.42  -0.7   63.1 348 b:1.3+1 1.1 5.0                   TLY 
 MK31 eP      08:29:19.06  -1.2   66.0 332                                   MK31
 KURK eP      08:29:47.36  -1.1   70.5 333 b:9.2+0 1.1 4.7                   KURK
 ABKAReP      08:30:37.60  -1.2   79.2 324 b:2.0+0 .68 4.2                   ABKA
 TZTN ePKPbc  08:38:12.84   0.0  145.7  36                                   TZTN
 LRAL ePKPbc  08:38:13.69   0.5  145.8  44                                   LRAL
 TKL  ePKPbc  08:38:14.62   0.3  146.2  37                                   TKL 
 LPAZ ePKPbc  08:38:34.01   2.4  152.5 162                                   LPAZ



 Generated 2009 APR  9 at 12:33 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