Peak Ground Motion Data (Distance Order) for
Ridgemark Earthquake of 21 Dec 2025, 12:40:49 PST, 3.5ML
36.7862N 121.4098W, 7.2 km depth Event Id: 75284286
CESMD Engineering Strong Motion Data Center
Table Last Updated: 2025-12-22 15:12:14
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)
BK BDSN SAO San Andreas Geophysical Obs. 36.764 121.447 4.1( -- ) .004 .004 .11 .0 .003 .000 .000 - -
NC NCSN HHP San Benito Historical Park 36.774 121.312 8.9( -- ) .002 .002 .11 .0 .004 .000 .000 - -
NC NCSN BCGB Cienega Road 36.707 121.347 10.4( -- ) .015 .015 .20 .0 .004 .000 .000 - -
NC NCSN BPV Pinnacle Vineyards 36.705 121.259 16.2( -- ) .002 .002 .09 .0 .004 .001 .000 - -
NC NCSN BSR Salinas Radio Site 36.667 121.520 16.5( -- ) .008 .008 .28 .0 .012 .000 .000 - -
BK BDSN SCZ Chualar Canyon, Santa Cruz, CA, USA 36.598 121.403 20.9( -- ) .001 .001 .04 .0 .001 .000 .000 - -
NC NCSN BJOB Mount Johnson 36.611 121.315 21.2( -- ) .014 .014 .29 .0 .010 .000 .000 - -
BK BDSN STRA Strathearn Ranch; UC Natural Reserve 36.823 121.157 22.9( -- ) .001 .001 .03 .0 .002 .000 .000 - -
NC NCSN BBGB Big Mountain 36.578 121.040 40.3( -- ) .001 .001 .03 .0 .001 .000 .000 - -
NC NCSN BSG Shirttail Gulch 36.414 121.255 43.5( -- ) .002 .002 .03 .0 .001 .000 .000 - -
NC NCSN BJF Juan Fiesta 36.293 121.403 54.7( -- ) .001 .001 .02 .0 .001 .000 .000 - -
NC NCSN PCC Crazy Canyon 36.090 121.164 80.3( -- ) .003 .003 .12 .0 .007 .000 .000 - -