Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 MAY 2008  (123)

     ot  = 07:36:06.66   +/-   0.56              ANDREANOF ISLANDS, ALEUTIAN IS. 
     lat =      51.680   +/-    8.6
     lon =    -177.584   +/-    5.3              MAGNITUDE 4.2 (GS)       
     dep =        10.0  (geophysicist)

     45 km (25 miles) ESE of Tanaga Volcano, Alaska (pop N/A)
     65 km (40 miles) WSW of Adak, Alaska (pop 500)
     1995 km (1240 miles) WSW of Anchorage, Alaska
     2805 km (1740 miles) W of JUNEAU, Alaska
 
     ML 4.0 (AEIC).

     nph =   47 of  52    se = 1.19    FE=007                            A   

     error ellipse = (170.9,  0.0, 11.4; 80.9,  0.0,  6.8;  0.0,  0.0,  0.0)

 mb = 4.2 ( 19)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.3 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ADK  P       07:36:16.98  -1.2    0.6  70                                   ADK 
      S       07:36:25.38  S res =  -0.6X
 GSTR ePg     07:36:24.43  -2.1    1.0  66 d:3.0+2     4.3                   GSTR
 ATKA P       07:36:41.54  -1.1    2.2  75                                   ATKA
      S       07:37:10.05  S res =   0.6X
 SMY  P       07:37:25.26   0.5    5.2 285                                   SMY 
 NIKO P       07:37:29.64   1.0    5.5  73                                   NIKO
      S       07:38:32.43  S res =   0.5X
 OKFG P       07:37:37.65   0.2    6.2  70                                   OKFG
 SPIA P       07:37:46.72  -2.0    7.0  35                                   SPIA
 UNV  P       07:37:50.31   0.3    7.1  68                                   UNV 
 AKGG P       07:37:54.84  -0.4    7.4  66                                   AKGG
 OHAK eP      07:39:41.73   1.5   15.1  59 b:1.1+2 1.3 5.1                   OHAK
 KDAK Pn      07:39:46.47  -0.2   15.6  57                                   KDAK
 SVW2 eP      07:39:46.59   3.8X  15.3  44                                   SVW2
 TTA  eP      07:39:55.71   2.7   16.1  37                                   TTA 
 RSO  eP      07:39:56.60   0.7   16.3  48                                   RSO 
 PPLA eP      07:40:14.16   2.4   17.6  41 b:2.7+1 .94 4.4                   PPLA
 CHUM eP      07:40:18.13   1.2   18.0  38 b:1.3+1 .86 4.1                   CHUM
 BILL eP      07:40:19.53   0.6   18.2 340 b:1.8+0 .65 3.4                   BILL
 KTH  eP      07:40:21.50  -0.2   18.4  40 b:2.5+1 .88 4.4                   KTH 
 BPAW eP      07:40:23.86  -0.4   18.6  38 b:1.9+3 .64 6.4X                  BPAW
 TRF  eP      07:40:24.20   0.1   18.6  40 b:9.4+0 .85 4.0                   TRF 
 MCK  eP      07:40:32.15   0.9   19.3  40 b:9.7+0 .86 4.1                   MCK 
 DIV  eP      07:40:37.45   0.6   19.8  49 b:8.4+0 .69 4.2                   DIV 
 COLA eP      07:40:40.38  -0.9   20.2  38 b:6.4+0 .85 4.0                   COLA
 COLD eP      07:40:47.42   1.8   20.6  31 b:1.1+1 .88 4.2                   COLD
 MENT eP      07:40:51.98  -0.1   21.2  45                                   MENT
 EGAK eP      07:41:08.45  -0.9   22.8  41 b:8.1+0 .78 4.3                   EGAK
 DAWY eP      07:41:15.05  -0.1   23.4  43                                   DAWY
 INK  eP      07:41:45.84  -0.4   26.8  35 b:4.7+0 .98 4.1                   INK 
 YKA  P       07:42:52.99  -1.2   34.5  47                                   YKA 
 HAWA eP      07:43:21.13   0.4   37.5  75                                   HAWA
 RES  eP      07:43:33.38  -0.5   39.2  25 b:1.3+0 .87 3.6                   RES 
 WVOR eP      07:43:43.05  -0.1   40.2  79 b:2.8+0 .68 4.1                   WVOR
 HLID eP      07:43:59.75   0.7   42.1  75 b:2.1+0 1.0 3.8                   HLID
 MCMT eP      07:44:00.67  -0.4   42.4  73                                   MCMT
 NVAR P       07:44:05.20   0.9   42.8  84                                   NVAR
 KWAJ eP      07:44:17.60  -0.1   44.4 201 b:8.0+1 .59 5.8X                  KWAJ
 BW06 eP      07:44:25.38  -0.8   45.5  73 b:3.0+0 .73 4.3                   BW06
 PDAR P       07:44:25.85  -0.4   45.5  73                                   PDAR
 WUAZ eP      07:44:53.65   0.9   48.9  82 b:3.0+0 .60 4.5                   WUAZ
 SPITSP       07:45:00.29  -1.1   50.1 356                                   SPIT
 SDCO eP      07:45:08.37  -0.7   51.0  76 b:1.6+0 .81 4.0                   SDCO
 ARCESP       07:45:56.90  -1.4   57.9 351                                   ARCE
 TXAR P       07:45:59.88   1.3   57.9  82                                   TXAR
 BVAR P       07:46:19.97  -0.8   61.1 320                                   BVAR
 ARU  eP      07:46:33.87   2.4   62.7 329 b:5.2+0 .60 4.9                   ARU 
 FINESP       07:46:48.00  -2.5   65.7 348                                   FINE
 AKTK P       07:47:03.20  -1.6   67.9 325                                   AKTK
 WRA  P       07:48:31.14   0.5   82.8 225                                   WRA 
 ASAR P       07:48:51.65   3.5X  86.2 223                                   ASAR



 Generated 2008 MAY 17 at 06:32 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