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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     11 JUL 2007  (192)

     ot  = 17:56:43.26   +/-   0.22              MAUG ISLANDS REG, N. MARIANA IS.
     lat =      19.083   +/-    4.1
     lon =     145.505   +/-    6.2                                       
     dep =       219.0  (depth phases)

     40 km (25 miles) NNW of Agrihan, Northern Mariana Islands (pop < 10)
     110 km (70 miles) NNW of Pagan, Northern Mariana Islands (pop < 10)
     430 km (265 miles) N of SAIPAN, Northern Mariana Islands
     625 km (390 miles) N of HAGATNA, Guam

     nph =   60 of  78    se = 0.98    FE=216                            A   

     error ellipse = ( 91.7,  0.0,  8.1;181.7,  0.0,  5.3;  0.0,  0.0,  0.0)

 mb = 4.6 ( 24)  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
 GUMO P       17:58:06.45   1.9    5.5 186                                   GUMO
      S       17:59:09.52  S res =   0.7X
 JOW  P       18:00:36.55   2.7   17.6 299                                   JOW 
 MJAR P       18:00:44.72   1.1   18.5 341                                   MJAR
      S       18:04:02.65  S res =  -0.8X
 YHNB eP      18:01:30.18   0.5   23.1 288 g:1.6-2 .75 3.9X b:1.5+1 .60 4.8  YHNB
 YSS  eP      18:02:13.25   0.5   27.9 356                                   YSS 
 HNR  P       18:02:47.65   0.9   31.7 152                                   HNR 
 KAKA eP      18:03:08.42   0.8   34.1 203 b:6.1+1 .63 5.4                   KAKA
 KAPI P       18:03:14.05  -0.1   34.9 229                                   KAPI
 KSM  eP      18:03:46.02   0.0   38.7 247                                   KSM 
 CTAO eP      18:03:48.09  -0.1   38.9 179 b:3.0+1 1.0 4.8                   CTAO
 CTA  eP      18:03:48.20   0.0   38.9 179 b:1.5+1 .80 4.6                   CTA 
 WRAB eP      18:03:59.87   0.5   40.3 196 b:6.1+1 .80 5.1                   WRAB
 WB2  eP      18:03:59.89   0.5   40.3 196                                   WB2 
      e       18:05:58.00  -0.6X
      eS      18:09:46.60  S res =  -3.8X
 WRA  P       18:03:59.98   0.5   40.3 196                                   WRA 
      PcP     18:05:57.78  -0.8X
 FITZ iPc     18:04:12.10   0.5   41.8 209 b:4.8+1 .40 5.3                   FITZ
 SONM P       18:04:18.68  -0.4   42.7 321                                   SONM
      pP      18:05:05.84  depth = 221.4 
 ASAR P       18:04:29.35   0.3   44.0 195                                   ASAR
      PcP     18:06:09.30  -1.5X
 CM31 eP      18:04:30.35   1.0   44.0 277                                   CM31
 CMAR P       18:04:30.40   1.0   44.0 277                                   CMAR
      PcP     18:06:09.25  -1.8X
 YAK  eP      18:04:30.62  -0.6   44.3 349 b:2.9+1 .65 4.9                   YAK 
 MBWA eP      18:04:54.83  -0.2   47.3 214 b:3.2+1 .93 4.7                   MBWA
 ARMA eP      18:05:11.40  -0.9   49.6 173                                   ARMA
 LSA  eP      18:05:19.43   1.5   50.2 293 b:4.4+0 .60 4.1                   LSA 
 STKA eP      18:05:20.90  -0.6   50.8 184 b:3.8+0 .30 4.4                   STKA
 FORT iPc     18:05:33.10   0.3   52.3 199 b:2.5+1 .50 5.0                   FORT
 TOO  eP      18:06:01.70   0.1   56.3 180 b:6.5+1 .60 5.5                   TOO 
 KLBR eP      18:06:05.60  -0.6   57.0 208 b:1.9+1 .70 4.9                   KLBR
 ZAA0 eP      18:06:09.36  -0.8   57.6 322                                   ZAA0
 ZALV P       18:06:09.57  -0.6   57.6 322                                   ZALV
      PcP     18:06:58.97  -1.9X
 MUN  eP      18:06:10.60  -2.8   58.0 209                                   MUN 
 MKAR P       18:06:13.10  -0.5   58.1 314                                   MKAR
      pP      18:07:02.35  depth = 217.0 
 NWAO P       18:06:15.52  -0.1   58.4 208                                   NWAO
 KDAK P       18:06:21.15   0.4   59.1  33                                   KDAK
 KURK eP      18:06:31.41  -1.2   60.9 318 b:4.4+0 .65 4.3                   KURK
 SLKM eP      18:06:33.38   0.3   61.0  31                                   SLKM
 IMA2 eP      18:06:34.64   1.3   61.0  24                                   IMA2
 TKM2 eP      18:06:44.00  -1.1   62.7 309 b:2.3+0 .60 4.1                   TKM2
 URZ  P       18:06:54.63  -0.7   64.3 153                                   URZ 
 BRVK eP      18:07:06.04  -1.0   66.1 320 b:1.0+1 .95 4.5                   BRVK
      epP     18:07:57.65  depth = 221.5 
 RPZ  P       18:07:09.69  -1.2   66.7 160                                   RPZ 
 KBL  eP      18:07:22.10  -0.5   68.5 300 b:7.9+0 1.0 4.4                   KBL 
 INK  P       18:07:25.58   0.4   69.1  23                                   INK 
      pP      18:08:16.73  depth = 217.5 
 ARU  eP      18:07:45.90  -0.9   72.6 324 b:4.1+0 .25 4.7                   ARU 
 YKA  P       18:08:15.69   0.0   77.7  28                                   YKA 
 WVOR eP      18:08:36.80   0.0   81.5  48 b:2.7+0 .45 4.3                   WVOR
 CMB  eP      18:08:37.76   0.6   81.6  53 b:9.5+0 .93 4.5                   CMB 
 ARCESP       18:08:38.03  -0.8   82.1 342                                   ARCE
 NVAR P       18:08:45.85   1.1   83.0  52                                   NVAR
      pP      18:09:38.70  depth = 217.5 
 MCMT eP      18:08:53.39   0.4   84.7  44                                   MCMT
 TPNV eP      18:08:55.29   0.4   85.1  53 b:8.1+0 .78 4.6                   TPNV
 BOZ  eP      18:08:55.49   0.2   85.2  43 b:2.0+0 .55 4.1                   BOZ 
 DUG  eP      18:09:02.10   0.6   86.4  49 b:3.1+0 .55 4.3                   DUG 
 FLWY eP      18:09:02.51   1.1   86.4  45 b:3.6+0 .70 4.3                   FLWY
 NOA  P       18:09:25.77  -2.0   92.2 340                                   NOA 
 BOSA PKP     18:15:18.00  -0.1  125.0 248                                   BOSA
 TORD PKP     18:15:30.08  -2.0  132.1 309                                   TORD
 SDV  ePKPdf  18:15:36.36  -0.8  134.8  55                                   SDV 
 DBIC PKP     18:15:44.70  -3.9X 141.2 308                                   DBIC
      pPKP    18:16:43.42  -1.6X
 PLCA PKP     18:15:46.67  -3.4X 142.4 133                                   PLCA
 LCO  ePKPbc  18:15:56.88  -0.1  145.6 114                                   LCO 
 LPAZ ePKPdf  18:15:59.26  -1.5  147.9  90                                   LPAZ
      ePKPbc  18:16:04.10   0.0X
      PKPbc   18:16:04.72   0.7X
 LVC  ePKPbc  18:16:03.61   0.6  147.7 102                                   LVC 



 Generated 2007 JUL 26 at 16:38 UTC

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

 


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