Peak Ground Motion Data (Distance Order) for Cobb Earthquake of 28 Jun 2022, 04:57:40 PDT, 4.2MW 38.8302N 122.7472W, 0.5 km depth Event Id: 73752031 CESMD Engineering Strong Motion Data Center Table Last Updated: 2022-07-11 09:45:05 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 4.9( -- ) .131 .131 3.23 .1 .082 .009 .001 - - NC NCSN GBG Boggs Mountain 38.814 122.683 5.9( -- ) .047 .047 1.60 .1 .051 .008 .001 - - NC NCSN GGPC Geyser Peak 38.769 122.847 11.0( -- ) .011 .011 .54 .1 .009 .002 .000 - - NC NCSN GAXB Alexander Valley 38.711 122.757 13.3( -- ) .009 .009 .23 .0 .015 .001 .000 - - NC NCSN GRT Round Top Mountain 38.939 122.671 13.7( -- ) .002 .002 .23 .0 .005 .004 .000 - - NC NCSN GPM Pine Mountain 38.845 122.946 17.4( -- ) .004 .004 .20 .0 .013 .002 .000 - - NC NCSN NLB Lake Bordeaux 38.743 122.553 19.5( -- ) .002 .002 .13 .0 .002 .001 .000 - - NC NCSN GSX Six Sigma Ranch 38.850 122.523 19.6( -- ) .004 .004 .13 .0 .002 .001 .000 - - NC NCSN NHS Mt. St. Helena South 38.657 122.614 22.5( -- ) .002 .002 .09 .0 .005 .001 .000 - - NP NSMP 1744 Healdsburg; Fire Station 38.616 122.872 26.1( -- ) .001 .001 .05 .0 .002 .001 .000 - - NC NCSN NWS Weeks Lake 38.630 122.401 37.4( -- ) .002 .002 .05 .0 .001 .000 .000 - - NP NSMP 1835 Santa Rosa Firestation 7 38.442 122.607 44.8( -- ) .002 .002 .05 .0 .002 .000 .000 - -