Peak Ground Motion Data (Distance Order) for Petrolia Earthquake of 20 Dec 2021, 13:53:46 PST, 3.9MW 40.3585N 124.2258W, 26.9 km depth Event Id: 73666511 CESMD Engineering Strong Motion Data Center Table Last Updated: 2021-12-23 11:09:18 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) CE CGS 89101 Petrolia - Fire Station 40.325 124.288 8.3( -- ) .021 .021 .53 .0 .023 .001 .000 - - NC NCSN KMPB Mount Pierce 40.417 124.121 9.3( -- ) .020 .021 .37 .0 .016 .001 .000 - - NC NCSN KCO Cooskie Peak 40.257 124.266 13.9( -- ) .004 .004 .14 .0 .012 .001 .000 - - BK BDSN PETL Petrolia, CA USA 40.288 124.343 14.6( -- ) .006 .006 .17 .0 .002 .000 .000 - - NP NSMP 1584 Ferndale; Bunker Hill, FAA Transmitter 40.498 124.294 15.1( -- ) .004 .004 .12 .0 .007 .001 .000 - - NC NCSN KCT Cape Town 40.476 124.337 15.2( -- ) .003 .003 .19 .0 .009 .001 .000 - - CE CGS 89462 Rio Dell - 101/Painter St Overpass Grnds40.504 124.101 17.2( -- ) .012 .012 .35 .0 .019 .001 .000 - - NC NCSN KPR Pringle Ridge 40.220 124.057 22.0( -- ) .004 .004 .14 .0 .001 .000 .000 - - NP NSMP 1586 Loleta; Fire Station 40.644 124.221 29.8( -- ) .002 .002 .03 .0 .001 .000 .000 - - NP NSMP 1582 Eureka; College of the Redwoods 40.698 124.192 35.9( -- ) .002 .002 .07 .0 .003 .000 .000 - - NP NSMP 1591 CA:Garberville;FS; Ground 40.105 123.790 47.1( -- ) .001 .001 .07 .0 .004 .001 .000 - -