Peak Ground Motion Data (Distance Order) for Geysers Earthquake of 24 Apr 2007, 14:08:28 PDT, 4.4Mw 38.80N 122.79W, 1.7 km depth Event Id: 51181154NC CESMD Engineering Strong Motion Data Center Table Last Updated: 2021-02-03 14:13:28 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 1.3( -- ) .388 .378 9.60 .4 .452 .021 .002 - - NP NSMP COB COBB 38.839 122.753 5.9( -- ) .114 .112 3.80 .3 .203 .011 .002 - - NP NSMP ADSP Anderson Springs 38.774 122.706 8.1( -- ) .057 .055 1.01 .0 .034 .003 .000 - - NP NSMP 1764 St. Helena; Fire Station No. 17 38.507 122.471 42.7( -- ) .005 .005 .20 .0 .011 .001 .000 - - NP NSMP 1765 Napa; Fire Station No. 3 38.330 122.318 66.2( -- ) .002 .002 .09 .0 .005 .001 .000 - -