Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 JUL 2007  (183)

     ot  = 19:58:53.00   +/-   0.00          CENTRAL CALIFORNIA              
     lat =      36.882   +/-    0.0
     lon =    -121.622   +/-    0.0              MAGNITUDE 4.3 (BRK)      
     dep =         8.5   +/-    0.0   

     15 km (10 miles) SSW of Gilroy, California (pop 41,000)
     20 km (10 miles) W of Hollister, California (pop 34,000)
     25 km (15 miles) N of Salinas, California (pop 151,000)
     190 km (115 miles) S of SACRAMENTO, California
 
     MW 4.3 (BRK). Felt (IV) at Aromas, Hollister, Salinas and San
     Juan Bautista; (III) at Aptos, Big Sur, Capitola, Carmel, Carmel
     Valley, Castroville, Gilroy, Gonzales, Greenfield, Los Banos,
     Marina, Monterey, Morgan Hill, Moss Landing, Paicines, Pebble
     Beach, Redwood City, San Francisco, San Jose, San Ramon, Santa
     Cruz, Seaside, Soledad, Sunnyvale and Watsonville; (II) at Boulder
     Creek, Felton, King City, Los Gatos, Mountain View, Pacific Grove,
     Paso Robles, Santa Clara, Scotts Valley, Soquel and Stanford. Felt
     at Ben Lomond, Cupertino, Danville, Dublin, Freedom, Livermore,
     Menlo Park, Merced, Mineral, Pleasanton, San Ardo and San Carlos.

     nph =   43 of  48    se = 0.00    FE=039                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 4.1 (  5)  ML = 4.1 (  9)  mblg = 0.0 (  0)  md = 4.4 (  3)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MCCM ePn     19:59:19.13  -2.4    1.6 322 d:2.0+2     4.4  L:3.8+0 1.1 4.0  MCCM
 CMB  ePn     19:59:19.37  -1.0    1.5  40 d:2.7+2     4.6  L:3.2+0 .58 3.9  CMB 
 NSHM ePn     19:59:22.23  -2.2    1.8 335 d:1.8+2     4.3                   NSHM
 OHCM ePn     19:59:31.95  -1.3    2.5   3 d:2.7+2     4.9X                  OHCM
 MTUM ePn     19:59:34.76   0.8    2.5  78 d:2.8+2     5.0X                  MTUM
 NVAR Pn      19:59:41.92   0.2    3.1  59                                   NVAR
      Lg      20:00:31.88
 KCPM ePn     19:59:42.12  -1.5    3.2 332 d:1.9+2     5.0X                  KCPM
 KIPM ePn     19:59:44.08  -0.5    3.3 334 d:2.2+2     5.1X                  KIPM
 PAHR ePn     19:59:46.79   1.4    3.3  31 d:2.4+2     5.2X L:7.8-1 1.0 4.2  PAHR
 MWC  ePn     19:59:52.24  -1.6    3.9 131 d:2.2+2     5.3X L:3.5-1 .75 4.1  MWC 
 GSC  ePn     19:59:56.46  -1.0    4.2 111 d:2.7+2     5.6X L:5.1-1 .85 4.3  GSC 
 TPNV ePn     19:59:59.39   0.5    4.3  88 d:3.4+2     5.9X L:6.0-1 .63 4.5  TPNV
 YBH  ePn     20:00:07.89   0.7    4.9 350 d:2.2+2     5.7X L:4.9-2 1.0 3.5  YBH 
 KRMB ePn     20:00:08.48   0.6    5.0 340 d:2.2+2     5.7X                  KRMB
 PFO  ePn     20:00:11.44  -1.7    5.3 126 d:2.2+2     5.9X L:1.3-1 .80 4.0  PFO 
                                           b:9.0+1 .80 5.5X
 MOD  qPn     20:00:12.01   2.0    5.1  11 d:2.1+2     5.8X L:1.3-1 .95 4.0  MOD 
      ePg     20:00:24.10  -6.9X           b:6.5+1 .78 5.3X
 LDFC qPn     20:00:14.96  -1.4    5.6 107 d:1.5+2     5.7X L:2.6-1 .55 4.4X LDFC
                                           b:1.4+2 .55 5.8X
 KBO  ePn     20:00:17.78  -0.1    5.7 340 d:4.4+1     4.6X                  KBO 
 BAR  ePn     20:00:18.23  -1.7    5.8 134 d:2.0+2     6.0X L:6.2-2 .45 3.8X BAR 
                                           b:3.1+1 .45 5.3X
 HUMO ePn     20:00:21.72   2.4    5.8 350 d:2.1+2     6.0X L:2.9-2 1.2 3.5X HUMO
                                           b:9.5+0 .70 4.6X
 WVOR ePn     20:00:23.11   0.9    6.0  22 d:2.4+2     6.2X L:6.6-2 1.3 3.9X WVOR
                                           b:4.6+1 1.1 5.1X
 ELK  ePn     20:00:27.68   1.3    6.3  50 d:2.3+2     6.3X L:9.6-2 .53 4.1X ELK 
                                           b:3.1+1 .93 5.1X
 KEBM ePn     20:00:28.35   1.7    6.3 342 d:3.8+1     4.8X                  KEBM
 GLA  ePn     20:00:30.31  -2.2    6.8 122 d:2.5+2     6.6X L:7.3-2 .70 4.0X GLA 
                                           b:4.4+1 .70 5.6X
 ARUT ePn     20:00:31.84   1.7    6.6  80 d:2.3+2     6.4X                  ARUT
      ePg     20:00:56.00  -3.0X
 CCUT ePn     20:00:32.01   1.2    6.6  82 d:2.6+2     6.5X                  CCUT
      eSg     20:02:23.58  S res =  -2.1X
 DUG  qPn     20:00:44.61  -0.2    7.7  62 d:2.4+2     6.9X L:5.9-2 .85 4.1X DUG 
                                           b:7.6+0 .73 5.0X
 MSU  ePn     20:00:46.04   0.9    7.7  75                                   MSU 
 WUAZ ePn     20:00:55.50   0.4    8.4  96 d:2.4+2     7.1X L:4.0-2 1.1 4.1X WUAZ
                                           b:1.8+1 .75 5.4X
 DAU  ePn     20:01:01.15  -0.2    8.8  63 d:1.0+2     6.6X                  DAU 
 HLID qPn     20:01:02.30   3.7    8.7  37 d:2.7+2     7.3X L:2.2-2 .93 3.8X HLID
                                           b:8.0+0 .88 5.0X
 SRU  ePn     20:01:07.42   3.5    9.0  72 d:2.3+2     7.4X L:4.1-2 .96 4.2X SRU 
                                           b:3.4+1 .96 5.7X
 PV10 ePn     20:01:20.84   2.4   10.1  78                                   PV10
 BOZ  ePn     20:01:40.37   2.4   11.5  38 b:2.2+0 .88 4.5X                  BOZ 
 RSSD eP      20:02:33.84   5.9   15.2  56 b:3.1+0 .80 3.8                   RSSD
 AMTX eP      20:02:45.48   3.4   16.3  91 b:1.9+1 .88 4.2                   AMTX
 TXAR Pn      20:02:51.03   2.3   16.8 111                                   TXAR
      LR      20:08:38.35                                  
 EDM  qP      20:02:55.94   0.8   17.3  17                                   EDM 
 ECSD eP      20:03:29.07   0.8   20.2  62 b:8.3+0 .73 4.2                   ECSD
 AGMN qP      20:03:47.34  -0.3   22.0  51 b:1.2+1 1.3 4.2                   AGMN
 FFC  eP      20:03:52.67   1.5   22.4  31 b:4.0+0 .85 3.9                   FFC 
 ULM  P       20:03:55.67  -0.3   22.8  46                                   ULM 
 LPAZ P       20:10:24.42   0.1   73.0 126                                   LPAZ



 Generated 2007 JUL 24 at 13:54 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