Peak Ground Motion Data (Distance Order) for Geysers Area Earthquake of 04 Jan 2009, 09:27:10 PST, 4.2ML 38.78N 122.77W, 4.3 km depth Event Id: 51214595NC CESMD Engineering Strong Motion Data Center Table Last Updated: 2021-02-03 14:11:42 Network Statn Distance PGAv1 PGAv2 PGV PGD ---- Sa (g) ----- Struct Id Name Nmbr Station Name N.Lat W.Long Epic Fault (g) (g) (cm/s) (cm) .3sec 1sec 3sec Apk(g) NC NCSN GDXB Geysers 38.808 122.795 3.5( -- ) .168 .167 4.70 .3 .236 .016 .002 - - NP NSMP ADSP Anderson Springs 38.774 122.706 5.8( -- ) .147 .149 2.90 .2 .084 .009 .001 - - NP NSMP COB COBB 38.839 122.753 6.4( -- ) .057 .057 2.01 .2 .089 .017 .001 - -