Peak Ground Motion Data (Distance Order) for The Geysers Earthquake of 23 Aug 2015, 10:41:18 AM PDT, 3.8MW 38.78N 122.74W, 4.4 km depth Event Id: 72511186NC CESMD Engineering Strong Motion Data Center Table Last Updated: 2021-02-03 14:33:24 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) NP NSMP ADSP Anderson Springs 38.774 122.706 3.5( -- ) .147 .147 1.16 .0 .024 .003 .000 - - NP NSMP ADS2 CA: Anderson Springs; Town Pool 38.774 122.700 4.0( -- ) .118 .118 .79 .0 .011 .002 .000 - - NC NCSN GDXB Geysers 38.808 122.795 5.2( -- ) .071 .071 1.70 .1 .076 .006 .001 - - NP NSMP COB COBB 38.839 122.753 6.1( -- ) .039 .039 .78 .0 .043 .004 .000 - - NC NCSN GAXB Alexander Valley 38.711 122.757 8.3( -- ) .070 .071 1.74 .1 .032 .003 .000 - -