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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     22 JUL 2007  (203)

     ot  = 23:02:13.95   +/-   2.48              UTTARANCHAL, INDIA              
     lat =      30.947   +/-    5.0
     lon =      78.278   +/-    3.6              MAGNITUDE 4.9 (GS)       
     dep =        11.2   +/-   15.6   

     75 km (45 miles) NNE of Dehra Dun, Uttaranchal, India (pop 447,000)
     105 km (65 miles) E of Simla, Himachal Pradesh, India (pop 142,000)
     145 km (90 miles) E of Chandigarh, Chandigarh, India (pop 808,000)
     280 km (175 miles) NNE of NEW DELHI, Delhi, India
 
     Houses damaged at Uttarkashi. Felt at Chamoli, Chandigarh, Dehra
     Dun, Haridwar, New Delhi, Pithoragarh and Uttarkashi.

     nph =   59 of  71    se = 0.63    FE=308                            A   

     error ellipse = (248.8, 89.1, 23.8; 23.7,  0.6,  8.2;113.7,  0.6,  4.8)

 mb = 5.0 ( 28)  ML = 0.0 (  0)  mblg = 4.2 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KBL  ePn     23:04:18.56   0.5    8.6 297 L:2.6-1 .50 4.9X g:2.5-1 1.0 4.2  KBL 
      eSn     23:05:52.41  S res =  -2.3X  b:3.2+0 .18 5.3X
 LSA  ePn     23:04:54.41   0.1   11.2  93 g:1.2-1 .90 4.2  b:6.2+1 .70 6.0X LSA 
      eSn     23:06:57.12  S res =  -2.6X
 KURK eP      23:06:42.22  -1.4   19.8   1 b:7.9+1 1.0 5.0                   KURK
 CM31 eP      23:07:07.20  -6.1X  22.5 119                                   CM31
 CHTO eP      23:07:09.57  -1.4   22.3 118 b:4.1+1 .90 4.9                   CHTO
 BRVK eP      23:07:17.01   0.0   22.9 348                                   BRVK
 PALK eP      23:07:26.25   0.5   23.7 174                                   PALK
 TLY  eP      23:08:05.38   1.6   27.9  35 b:5.1+1 2.1 4.9                   TLY 
 GNI  ePn     23:08:10.68  -0.1   28.7 298                                   GNI 
 ARU  eP      23:08:13.36   0.1   29.0 337 b:1.5+1 .80 4.8                   ARU 
 KIV  eP      23:08:31.26   1.1   30.8 305                                   KIV 
 MALT eP      23:08:48.16  -4.5X  33.4 294                                   MALT
 OBN  eP      23:09:32.60   0.3   38.1 322                                   OBN 
 YHNB eP      23:09:36.25   0.2   38.5  88                                   YHNB
 NACB eP      23:09:40.17   1.3   38.8  89 b:2.4+1 .85 4.9                   NACB
 KIEV eP      23:09:57.27  -0.9   41.2 313 b:1.8+1 .65 4.9                   KIEV
      epP     23:10:08.03  depth =  37.6X
      ePP     23:11:33.12   0.1X
 TIRR eP      23:09:57.44  -0.1   41.1 304 b:2.6+0 1.1 3.9X                  TIRR
      qPcP    23:11:55.52  -1.6X
 AKBB eP      23:09:57.53  -0.5   41.2 313                                   AKBB
      ePP     23:11:33.74   0.8X
 KS15 eP      23:09:58.72   0.4   41.2  67                                   KS15
 KWP  eP      23:10:30.96   0.1   45.2 311 b:3.4+1 1.4 5.1                   KWP 
      epP     23:10:40.90  depth =  33.2X
 PSZ  eP      23:10:45.59   0.2   47.0 308 b:3.8+0 .80 4.5                   PSZ 
 KEV  eP      23:10:54.71   0.9   48.2 339 b:1.5+1 .75 5.1                   KEV 
 MORC eP      23:10:56.61  -0.5   48.6 311 b:5.9+0 .70 4.8                   MORC
 ARE0 eP      23:10:57.30   0.5   48.6 338                                   ARE0
 TIXI eP      23:10:58.03  -0.9   48.8  19                                   TIXI
 TIP  eP      23:11:09.55  -0.2   50.2 297 b:1.7+1 1.2 4.9                   TIP 
      epP     23:11:19.63  depth =  33.8X
 CUC  eP      23:11:14.17   0.2   50.7 298 b:1.3+1 .80 4.9                   CUC 
 CEL  eP      23:11:15.84  -0.2   51.0 296 b:1.3+1 1.0 4.8                   CEL 
 YSS  eP      23:11:17.23  -0.1   51.2  52 b:1.6+1 .35 5.3                   YSS 
 KONO eP      23:11:32.14   0.5   53.2 324 b:4.6+1 1.3 5.3                   KONO
 STU  eP      23:11:38.69   0.1   54.1 310 b:1.2+1 .95 4.9                   STU 
 WLF  eP      23:11:51.49  -0.4   55.9 312                                   WLF 
 BNI  eP      23:11:55.09  -0.5   56.4 306 b:2.2+1 1.2 5.1                   BNI 
      epP     23:12:05.68  depth =  35.1X
 SSB  eP      23:12:05.19  -0.4   57.8 307                                   SSB 
 MBWA qP      23:12:55.44  -0.8   65.3 137                                   MBWA
 SUMG eP      23:13:14.41   0.0   68.2 343 b:1.3+1 1.3 4.9                   SUMG
 AMKA eP      23:13:41.73  -0.6   72.8  40                                   AMKA
 NWAO qP      23:13:46.63   0.4   73.4 147                                   NWAO
 WB2  eP      23:13:48.64  -0.5   73.9 126                                   WB2 
 IMA2 eP      23:13:57.36  -0.4   75.4  19                                   IMA2
 TTA  eP      23:14:06.53   0.2   77.0  22 b:2.7+1 1.4 5.1                   TTA 
 TSUM eP      23:14:08.42   2.9X  76.7 238 b:8.5+0 1.0 4.8                   TSUM
 KTH  eP      23:14:12.41  -0.3   78.1  20 b:2.6+1 1.3 5.1                   KTH 
 INK  eP      23:14:13.37   0.1   78.3  12 b:8.7+2 .85 6.9X                  INK 
 MCK  eP      23:14:14.54  -0.6   78.5  19 b:6.8+0 .80 4.8                   MCK 
 SVW2 eP      23:14:15.47   1.2   78.4  24                                   SVW2
 EGAK eP      23:14:21.59   0.0   79.7  16 b:3.4+1 1.3 5.2                   EGAK
 RC01 eP      23:14:24.55  -0.3   80.3  21                                   RC01
 SLKM eP      23:14:25.97  -0.5   80.6  22                                   SLKM
 DAWY eP      23:14:26.80  -0.4   80.8  16                                   DAWY
 SEW  eP      23:14:29.15  -0.2   81.2  22                                   SEW 
 KDAK eP      23:14:33.11   0.1   81.9  25 b:5.9+1 1.2 5.5                   KDAK
 BMRM eP      23:14:33.96   0.3   82.0  20                                   BMRM
 EYAK eP      23:14:34.13   0.6   82.0  20 b:2.7+1 .92 5.3                   EYAK
 OHAK eP      23:14:34.17   0.4   82.0  25 b:2.2+1 .64 5.4                   OHAK
 PNL  eP      23:14:47.48   0.8   84.5  18 b:2.5+3 .74 7.5X                  PNL 
 SKAG eP      23:14:52.23  -0.5   85.7  16 b:2.9+1 .82 5.5                   SKAG
 DLBC eP      23:15:02.69  -0.6   87.9  14                                   DLBC
 WRAK eP      23:15:10.02  -0.1   89.3  16 b:2.2+1 1.2 5.3                   WRAK
 EDM  eP      23:15:39.23   0.1   95.6   7                                   EDM 
 LPAZ ePKPdf  23:21:54.16  -0.4  146.1 288                                   LPAZ
 TRQA ePKP    23:21:55.32   1.1  146.7 247                                   TRQA



 Generated 2007 JUL 25 at 21:42 UTC

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

 


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