Earthquake 51127591: 04/21/2003 15:46:45 GMT, M=3.51, N36.57 W120.71, 13.31km depth Seismic Stations 1780: San Jose, FS 9 (National_Strong-Motion_Program) Coordinates: N37.26 W121.92 HNE 0.0009 cm/s 0.0045 %g HNN 0.0010 cm/s 0.0041 %g 1779: San Jose, FS 13 (National_Strong-Motion_Program) Coordinates: N37.27 W121.87 HNE 0.0010 cm/s 0.0029 %g HNN 0.0011 cm/s 0.0038 %g 1778: San Jose, FS 14 (National_Strong-Motion_Program) Coordinates: N37.30 W121.98 HNE 0.0017 cm/s 0.0113 %g HNN 0.0013 cm/s 0.0104 %g 1777: San Mateo, FS 1 (National_Strong-Motion_Program) Coordinates: N37.54 W122.30 HNE 0.0007 cm/s 0.0017 %g HNN 0.0006 cm/s 0.0016 %g 1776: Redwood City FS 10 (National_Strong-Motion_Program) Coordinates: N37.47 W122.24 HNE 0.0012 cm/s 0.0082 %g HNN 0.0008 cm/s 0.0076 %g 1775: Mtn View Firesta 3 (National_Strong-Motion_Program) Coordinates: N37.41 W122.10 HNE 0.0013 cm/s 0.0089 %g HNN 0.0015 cm/s 0.0095 %g 1774: SF, Fire Stn 23 (National_Strong-Motion_Program) Coordinates: N37.76 W122.50 HNE 0.0009 cm/s 0.0034 %g HNN 0.0009 cm/s 0.0062 %g 1773: SF Firesta 22 GG PK (National_Strong-Motion_Program) Coordinates: N37.76 W122.47 HNE 0.0016 cm/s 0.0105 %g HNN 0.0014 cm/s 0.0092 %g 1772: SF, Fire Stn 18 (National_Strong-Motion_Program) Coordinates: N37.75 W122.49 HNE 0.0011 cm/s 0.0056 %g HNN 0.0010 cm/s 0.0070 %g 1771: SF, FIre Stn 8 (National_Strong-Motion_Program) Coordinates: N37.78 W122.40 HNE 0.0014 cm/s 0.0086 %g HNN 0.0013 cm/s 0.0102 %g 1770: SF, Fire Stn 7 (National_Strong-Motion_Program) Coordinates: N37.76 W122.42 HNE 0.0011 cm/s 0.0044 %g HNN 0.0014 cm/s 0.0050 %g 1768: Petaluma Fire Stn (National_Strong-Motion_Program) Coordinates: N38.23 W122.64 HNE 0.0023 cm/s 0.0132 %g HNN 0.0020 cm/s 0.0107 %g 1767: Santa Rosa Fire S (National_Strong-Motion_Program) Coordinates: N38.44 W122.70 HNE 0.0009 cm/s 0.0065 %g HNN 0.0007 cm/s 0.0053 %g 1781: San Jose, FS 6 (National_Strong-Motion_Program) Coordinates: N37.30 W121.90 HNE 0.0010 cm/s 0.0063 %g HNN 0.0012 cm/s 0.0056 %g CDOB: (Northern_California_Seismic_Network) Coordinates: N37.73 W121.83 HNE 0.0010 cm/s 0.0018 %g HNN 0.0008 cm/s 0.0012 %g CBP: (Northern_California_Seismic_Network) Coordinates: N37.75 W121.71 HNE 0.0005 cm/s 0.0016 %g HNN 0.0006 cm/s 0.0019 %g CAO: Arnold Ranch (Northern_California_Seismic_Network) Coordinates: N37.35 W121.53 VLE 0.0013 cm/s 0.0013 %g VLN 0.0013 cm/s 0.0017 %g CAL: Calaveras Reserv (Northern_California_Seismic_Network) Coordinates: N37.45 W121.80 HNE 0.0004 cm/s 0.0007 %g HNN 0.0004 cm/s 0.0007 %g CAG: (Northern_California_Seismic_Network) Coordinates: N37.86 W122.42 HNE 0.0006 cm/s 0.0011 %g HNN 0.0005 cm/s 0.0010 %g CADB: (Northern_California_Seismic_Network) Coordinates: N37.16 W121.63 HNE 0.0005 cm/s 0.0011 %g HNN 0.0007 cm/s 0.0013 %g BSR: Salinas Radio (Northern_California_Seismic_Network) Coordinates: N36.67 W121.52 VLE 0.0000 cm/s (T) 0.0002 %g (T) VLN 0.0069 cm/s 0.0103 %g BSG: Shirttail Gulch (Northern_California_Seismic_Network) Coordinates: N36.41 W121.26 VLE 0.0036 cm/s 0.0081 %g VLN 0.0032 cm/s 0.0117 %g BPO: Post Ranch (Northern_California_Seismic_Network) Coordinates: N36.23 W121.77 VLE 0.0108 cm/s 0.0149 %g VLN 0.0079 cm/s 0.0126 %g BAV: Antelope Valley (Northern_California_Seismic_Network) Coordinates: N36.65 W121.03 VLE 0.0047 cm/s 0.0073 %g VLN 0.0045 cm/s 0.0078 %g 1786: Livermore, F.S (National_Strong-Motion_Program) Coordinates: N37.68 W121.74 HNE 0.0006 cm/s 0.0019 %g HNN 0.0007 cm/s 0.0016 %g 1785: Pleasanton, FS 1 (National_Strong-Motion_Program) Coordinates: N37.66 W121.87 HNE 0.0009 cm/s 0.0022 %g HNN 0.0006 cm/s 0.0030 %g 1783: San Jose, FS 26 (National_Strong-Motion_Program) Coordinates: N37.31 W121.85 HNE 0.0030 cm/s 0.0141 %g HNN 0.0023 cm/s 0.0115 %g 1782: San Jose, FS 10 (National_Strong-Motion_Program) Coordinates: N37.32 W121.94 HNE 0.0019 cm/s 0.0073 %g HNN 0.0030 cm/s 0.0090 %g CDV: Description (Northern_California_Seismic_Network) Coordinates: N37.57 W121.68 VLE 0.0006 cm/s 0.0006 %g VLN 0.0005 cm/s 0.0005 %g JJO: (Northern_California_Seismic_Network) Coordinates: N37.21 W121.98 HNE 0.0010 cm/s 0.0018 %g HNN 0.0009 cm/s 0.0016 %g JGR: (Northern_California_Seismic_Network) Coordinates: N37.51 W122.46 HNE 0.0003 cm/s 0.0009 %g HNN 0.0003 cm/s 0.0010 %g JBR: (Northern_California_Seismic_Network) Coordinates: N37.17 W122.01 HNE 0.0022 cm/s 0.0050 %g HNN 0.0016 cm/s 0.0045 %g JBMB: (Northern_California_Seismic_Network) Coordinates: N37.32 W122.15 HNE 0.0004 cm/s 0.0008 %g HNN 0.0005 cm/s 0.0008 %g JBG: (Northern_California_Seismic_Network) Coordinates: N37.34 W122.34 HNE 0.0014 cm/s 0.0024 %g HNN 0.0010 cm/s 0.0020 %g HPC: Pacheco Lake (Northern_California_Seismic_Network) Coordinates: N37.06 W121.28 VLE 0.0032 cm/s 0.0060 %g VLN 0.0037 cm/s 0.0054 %g HBT: Bautista (Northern_California_Seismic_Network) Coordinates: N36.85 W121.55 VLN 0.0026 cm/s 0.0023 %g CYB: Yerba Buena Island (Northern_California_Seismic_Network) Coordinates: N37.81 W122.36 ADE 0.0011 cm/s 0.0043 %g CVP: Vollmer Peak (Northern_California_Seismic_Network) Coordinates: N37.88 W122.22 VLE 0.0005 cm/s 0.0005 %g VLN 0.0003 cm/s 0.0003 %g CTA: Taylor (Northern_California_Seismic_Network) Coordinates: N38.03 W122.02 HNE 0.0005 cm/s 0.0021 %g HNN 0.0005 cm/s 0.0013 %g CSL: San Leandro Hills (Northern_California_Seismic_Network) Coordinates: N37.72 W122.12 ADE 0.0026 cm/s 0.0050 %g ADN 0.0025 cm/s 0.0091 %g CRPB: (Northern_California_Seismic_Network) Coordinates: N37.91 W121.91 HNE 0.0003 cm/s 0.0007 %g HNN 0.0004 cm/s 0.0006 %g CRH: (Northern_California_Seismic_Network) Coordinates: N37.86 W121.99 HNE 0.0004 cm/s 0.0015 %g HNN 0.0005 cm/s 0.0024 %g JLAB: (Northern_California_Seismic_Network) Coordinates: N37.15 W121.73 HNE 0.0020 cm/s 0.0039 %g HNN 0.0018 cm/s 0.0035 %g MMLB: (Northern_California_Seismic_Network) Coordinates: N37.66 W118.98 HHE 0.0128 cm/s (T) 0.0242 %g (T) HHN 0.0145 cm/s (T) 0.0210 %g (T) HNE 0.0127 cm/s (T) 0.0239 %g (T) HNN 0.0152 cm/s (T) 0.0248 %g (T) MMI: Miami Mountain (Northern_California_Seismic_Network) Coordinates: N37.42 W119.74 VLN 0.0018 cm/s 0.0042 %g MEM: East Mammoth (Northern_California_Seismic_Network) Coordinates: N37.67 W118.94 VLE 0.0088 cm/s 0.0087 %g VLN 0.0057 cm/s 0.0105 %g MDR: (Northern_California_Seismic_Network) Coordinates: N37.64 W118.84 VLE 0.0055 cm/s 0.0079 %g VLN 0.0037 cm/s 0.0051 %g MDP: Devil's Postpile (Northern_California_Seismic_Network) Coordinates: N37.63 W119.08 VLN 0.0050 cm/s 0.0072 %g MCB: (Northern_California_Seismic_Network) Coordinates: N37.64 W118.90 HHE 0.0089 cm/s 0.0152 %g HHN 0.0116 cm/s (T) 0.0170 %g (T) HNE 0.0099 cm/s (T) 0.0174 %g (T) HNN 0.0112 cm/s (T) 0.0171 %g (T) JUM: Mount Umunhum (Northern_California_Seismic_Network) Coordinates: N37.16 W121.90 ADE 0.0020 cm/s 0.0054 %g ADN 0.0029 cm/s 0.0061 %g JSP: San Pedro Valley (Northern_California_Seismic_Network) Coordinates: N37.59 W122.50 HNE 0.0005 cm/s 0.0009 %g HNN 0.0004 cm/s 0.0009 %g JSGB: Saratoga Golf Crs (Northern_California_Seismic_Network) Coordinates: N37.28 W122.05 HNE 0.0006 cm/s 0.0011 %g HNN 0.0008 cm/s 0.0015 %g JSFB: (Northern_California_Seismic_Network) Coordinates: N37.40 W122.18 HNE 0.0006 cm/s 0.0013 %g HNN 0.0010 cm/s 0.0017 %g JSA: San Andreas Res (Northern_California_Seismic_Network) Coordinates: N37.58 W122.42 HNE 0.0004 cm/s 0.0008 %g HNN 0.0004 cm/s 0.0009 %g JPSB: (Northern_California_Seismic_Network) Coordinates: N37.20 W122.35 HNE 0.0008 cm/s 0.0015 %g HNN 0.0010 cm/s 0.0020 %g JPC: (Northern_California_Seismic_Network) Coordinates: N37.27 W122.21 HNE 0.0016 cm/s 0.0020 %g HNN 0.0011 cm/s 0.0015 %g JMGB: (Northern_California_Seismic_Network) Coordinates: N37.64 W122.47 HNE 0.0002 cm/s 0.0006 %g HNN 0.0002 cm/s 0.0006 %g MRH: Rocky Hill (Northern_California_Seismic_Network) Coordinates: N36.29 W119.09 VLE 0.0009 cm/s 0.0022 %g VLN 0.0008 cm/s 0.0022 %g NSM: (Northern_California_Seismic_Network) Coordinates: N38.35 W122.58 HNE 0.0004 cm/s 0.0019 %g HNN 0.0006 cm/s 0.0028 %g NRL: Rodeo Lagoon (Northern_California_Seismic_Network) Coordinates: N37.84 W122.54 VLE 0.0007 cm/s 0.0010 %g VLN 0.0006 cm/s 0.0006 %g NPRB: (Northern_California_Seismic_Network) Coordinates: N38.00 W123.02 HNE 0.0005 cm/s 0.0022 %g HNN 0.0007 cm/s 0.0029 %g NOLB: (Northern_California_Seismic_Network) Coordinates: N38.04 W122.80 HNE 0.0003 cm/s 0.0018 %g HNN 0.0003 cm/s 0.0010 %g NMI: (Northern_California_Seismic_Network) Coordinates: N38.08 W122.26 HNE 0.0005 cm/s 0.0007 %g HNN 0.0003 cm/s 0.0007 %g NMH: Mt St Helena (Northern_California_Seismic_Network) Coordinates: N38.67 W122.63 HNE 0.0001 cm/s 0.0001 %g HNN 0.0001 cm/s 0.0002 %g NMH: Mt St Helena (Northern_California_Seismic_Network) Coordinates: N38.67 W122.63 VLN 0.0001 cm/s 0.0006 %g NHV: (Northern_California_Seismic_Network) Coordinates: N38.16 W122.71 HNE 0.0003 cm/s 0.0007 %g HNN 0.0003 cm/s 0.0006 %g NGVB: Green Valley Rd (Northern_California_Seismic_Network) Coordinates: N38.28 W122.22 HNE 0.0002 cm/s 0.0006 %g HNN 0.0002 cm/s 0.0006 %g NFV: (Northern_California_Seismic_Network) Coordinates: N38.47 W122.90 HNE 0.0003 cm/s 0.0007 %g HNN 0.0003 cm/s 0.0007 %g NEH: (Northern_California_Seismic_Network) Coordinates: N38.34 W122.81 HNE 0.0004 cm/s 0.0011 %g HNN 0.0003 cm/s 0.0009 %g NBP: Berryessa Peak (Northern_California_Seismic_Network) Coordinates: N38.67 W122.19 VLN 0.0001 cm/s (T) 0.0002 %g (T) NAD: Allendale (Northern_California_Seismic_Network) Coordinates: N38.46 W121.97 VLN 0.0003 cm/s 0.0005 %g NTAB: Tamalpais Peak (Northern_California_Seismic_Network) Coordinates: N37.92 W122.60 HNE 0.0004 cm/s 0.0031 %g HNN 0.0003 cm/s 0.0034 %g 1793: (National_Strong-Motion_Program) Coordinates: N37.35 W121.81 HNE 0.0011 cm/s 0.0017 %g HNN 0.0007 cm/s 0.0010 %g 1792: SF FIRESTA 40 (National_Strong-Motion_Program) Coordinates: N37.75 W122.43 HNE 0.0014 cm/s 0.0112 %g HNN 0.0012 cm/s 0.0111 %g 1790: Burlingame FS #36 (National_Strong-Motion_Program) Coordinates: N37.59 W122.37 HNE 0.0010 cm/s 0.0024 %g HNN 0.0014 cm/s 0.0027 %g 1788: Milpitas Firesta 4 (National_Strong-Motion_Program) Coordinates: N37.42 W121.92 HNE 0.0016 cm/s 0.0123 %g HNN 0.0014 cm/s 0.0081 %g PVC: Vineyard Canyon (Northern_California_Seismic_Network) Coordinates: N35.92 W120.53 VLE 0.0042 cm/s 0.0080 %g VLN 0.0030 cm/s 0.0067 %g PPC: Portuguese Canyon (Northern_California_Seismic_Network) Coordinates: N35.95 W120.60 VLE 0.0031 cm/s 0.0055 %g VLN 0.0017 cm/s 0.0043 %g PMP: Monarch Peak (Northern_California_Seismic_Network) Coordinates: N36.22 W120.80 VLN 0.0067 cm/s 0.0126 %g PMM: Middle Mountain (Northern_California_Seismic_Network) Coordinates: N35.96 W120.50 VLE 0.0027 cm/s 0.0031 %g VLN 0.0022 cm/s 0.0035 %g PMC: McMillan Canyon (Northern_California_Seismic_Network) Coordinates: N35.73 W120.37 VLE 0.0020 cm/s 0.0037 %g VLN 0.0030 cm/s 0.0052 %g PHP: Hope Ranch (Northern_California_Seismic_Network) Coordinates: N35.98 W120.61 VLE 0.0059 cm/s 0.0141 %g VLN 0.0058 cm/s 0.0132 %g PHO: Hog Canyon (Northern_California_Seismic_Network) Coordinates: N35.87 W120.48 VLE 0.0039 cm/s 0.0069 %g VLN 0.0052 cm/s 0.0064 %g PHF: Heflinger Ranch (Northern_California_Seismic_Network) Coordinates: N35.88 W120.40 VLE 0.0014 cm/s 0.0016 %g VLN 0.0004 cm/s 0.0020 %g PCC: Crazy Canyon (Northern_California_Seismic_Network) Coordinates: N36.09 W121.16 VLN 0.0122 cm/s 0.0278 %g NTYB: Taylor Mntn (Northern_California_Seismic_Network) Coordinates: N38.39 W122.66 HNE 0.0003 cm/s 0.0007 %g HNN 0.0003 cm/s 0.0006 %g 1794: Sunnyvale (National_Strong-Motion_Program) Coordinates: N37.41 W122.00 HNE 0.0010 cm/s 0.0028 %g HNN 0.0007 cm/s 0.0024 %g HOPS: Hopland Fld Sta UCD (Berkeley_Digital_Seismic_Network) Coordinates: N38.99 W123.07 HLE 0.0009 cm/s 0.0023 %g HLZ 0.0007 cm/s 0.0025 %g HLN 0.0009 cm/s 0.0022 %g CVS: Sonoma Vineyard (Berkeley_Digital_Seismic_Network) Coordinates: N38.39 W122.46 HLE 0.0011 cm/s 0.0011 %g HLZ 0.0008 cm/s 0.0007 %g HLN 0.0009 cm/s 0.0010 %g BKS: UC Berkeley -Byerly (Berkeley_Digital_Seismic_Network) Coordinates: N37.88 W122.24 HLE 0.0010 cm/s 0.0005 %g HLZ 0.0014 cm/s 0.0005 %g HLN 0.0007 cm/s 0.0006 %g 1813: Rodeo Firesta 75 (National_Strong-Motion_Program) Coordinates: N38.03 W122.27 HNE 0.0004 cm/s 0.0011 %g HNN 0.0003 cm/s 0.0009 %g 1807: Albany Firesta 1 (National_Strong-Motion_Program) Coordinates: N37.89 W122.30 HNE 0.1416 cm/s (T) 1.4732 %g (T) HNN 0.0012 cm/s 0.0073 %g 1806: Mill Valley GC (National_Strong-Motion_Program) Coordinates: N37.91 W122.54 HNE 0.0004 cm/s 0.0012 %g HNN 0.0005 cm/s 0.0014 %g 1804: Daly City FS 3 (National_Strong-Motion_Program) Coordinates: N37.68 W122.48 HNE 0.0008 cm/s 0.0025 %g HNN 0.0010 cm/s 0.0024 %g 1803: Livermore FS 8 (National_Strong-Motion_Program) Coordinates: N37.72 W121.73 HNE 0.0010 cm/s 0.0027 %g HNN 0.0011 cm/s 0.0033 %g 1802: Union City FS 2 (National_Strong-Motion_Program) Coordinates: N37.59 W122.07 HNE 0.0008 cm/s 0.0026 %g HNN 0.0010 cm/s 0.0024 %g 1801: Half Moon Bay FS 40 (National_Strong-Motion_Program) Coordinates: N37.45 W122.43 HNE 0.0007 cm/s 0.0018 %g HNN 0.0006 cm/s 0.0015 %g 1799: Westmont HS Campbel (National_Strong-Motion_Program) Coordinates: N37.27 W121.99 HNE 0.0010 cm/s 0.0016 %g HNN 0.0009 cm/s 0.0014 %g 1798: (National_Strong-Motion_Program) Coordinates: N37.38 W121.84 HNE 0.0006 cm/s 0.0013 %g HNN 0.0008 cm/s 0.0015 %g 1796: Mountn View FS #4 (National_Strong-Motion_Program) Coordinates: N37.39 W122.06 HNE 0.0008 cm/s 0.0028 %g HNN 0.0009 cm/s 0.0027 %g 1795: SF Firesta 25 Bayvw (National_Strong-Motion_Program) Coordinates: N37.75 W122.39 HNE 0.0054 cm/s 0.0176 %g HNN 0.0132 cm/s (T) 0.0363 %g (T) JRSC: Jasper Ridge -Stnfd (Berkeley_Digital_Seismic_Network) Coordinates: N37.40 W122.24 HLE 0.0033 cm/s 0.0015 %g HLN 0.0012 cm/s 0.0007 %g 1818: (National_Strong-Motion_Program) Coordinates: N37.72 W122.43 HNE 0.0010 cm/s 0.0056 %g HNN 0.0011 cm/s 0.0066 %g 1816: (National_Strong-Motion_Program) Coordinates: N37.74 W122.40 HNE 0.0043 cm/s 0.0130 %g HNN 0.0032 cm/s 0.0135 %g NHM: (Northern_California_Seismic_Network) Coordinates: N38.15 W121.80 HNE 0.0004 cm/s 0.0010 %g HNN 0.0004 cm/s 0.0009 %g NBRB: (Northern_California_Seismic_Network) Coordinates: N38.26 W122.55 HNE 0.0101 cm/s (T) 0.0145 %g (T) HNN 0.0003 cm/s 0.0007 %g NAPC: (Northern_California_Seismic_Network) Coordinates: N38.44 W122.25 HNE 0.0004 cm/s 0.0008 %g HNN 0.0003 cm/s 0.0007 %g CMB: Columbia Col BB (Berkeley_Digital_Seismic_Network) Coordinates: N38.03 W120.39 HLZ 0.0006 cm/s 0.0015 %g HLN 0.0009 cm/s 0.0025 %g BDM: Black Diamond Mines (Berkeley_Digital_Seismic_Network) Coordinates: N37.95 W121.87 HLE 0.0013 cm/s 0.0015 %g HLZ 0.0013 cm/s 0.0013 %g HLN 0.0012 cm/s 0.0015 %g OMM: () Coordinates: N37.61 W119.00 HHE 0.0019 cm/s 0.0039 %g HHN 0.0016 cm/s 0.0039 %g WENL: Wente Vineyards (Berkeley_Digital_Seismic_Network) Coordinates: N37.62 W121.76 HLE 0.0014 cm/s 0.0013 %g HLN 0.0012 cm/s 0.0010 %g WDC: Whiskeytwn Dam NRA (Berkeley_Digital_Seismic_Network) Coordinates: N40.58 W122.54 HLE 0.0014 cm/s 0.0009 %g HLZ 0.0006 cm/s 0.0005 %g HLN 0.0009 cm/s 0.0006 %g SAO: San Andreas Geo Obs (Berkeley_Digital_Seismic_Network) Coordinates: N36.76 W121.44 HLE 0.0032 cm/s 0.0080 %g HLZ 0.0024 cm/s 0.0066 %g HLN 0.0027 cm/s 0.0071 %g PKD: Pkfld - Bear Valley (Berkeley_Digital_Seismic_Network) Coordinates: N35.95 W120.54 HLE 0.0038 cm/s 0.0048 %g HLZ 0.0015 cm/s 0.0032 %g HLN 0.0020 cm/s 0.0081 %g ORV: Oroville Dam - DWR (Berkeley_Digital_Seismic_Network) Coordinates: N39.56 W121.50 HLE 0.0012 cm/s 0.0013 %g HLN 0.0025 cm/s 0.0019 %g MHC: Mnt Hamilton - Lick (Berkeley_Digital_Seismic_Network) Coordinates: N37.34 W121.64 HLE 0.0021 cm/s 0.0027 %g HLZ 0.0015 cm/s 0.0016 %g HLN 0.0018 cm/s 0.0018 %g Explanation of Flags M - Manually flagged T - Outlier G - Glitch N - Not in list of known stations