Peak Ground Motion Data (Distance Order) for Cobb Earthquake of 11 Apr 2023, 22:39:51 PDT, 4.4MW 38.8352N 122.8068W, 2.5 km depth Event Id: 73871215 CESMD Engineering Strong Motion Data Center Table Last Updated: 2023-04-11 23:24:22 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 3.2( -- ) .138 .132 3.48 .1 .148 .009 .001 - - NC NCSN GGPC Geyser Peak 38.769 122.847 8.1( -- ) .029 .029 .92 .1 .044 .009 .001 - - CE CGS 68035 Kelseyville - Red Hills Fire Sta 38.912 122.766 9.3( -- ) .009 .009 .63 .1 .013 .007 .001 - - NC NCSN GBG Boggs Mountain 38.814 122.683 11.0( -- ) .040 .040 1.13 .1 .051 .006 .001 - - NC NCSN GPM Pine Mountain 38.845 122.946 12.2( -- ) .012 .012 .48 .1 .025 .005 .000 - - NC NCSN GAXB Alexander Valley 38.711 122.757 14.5( -- ) .042 .040 1.23 .1 .068 .003 .001 - - NC NCSN GRT Round Top Mountain 38.939 122.671 16.4( -- ) .004 .004 .25 .0 .009 .003 .000 - - NC NCSN GCVB Cloverdale 38.769 123.015 19.5( -- ) .002 .002 .15 .0 .003 .004 .000 - - NC NCSN GSX Six Sigma Ranch 38.850 122.523 24.7( -- ) .002 .002 .15 .0 .006 .002 .000 - - NC NCSN NHS Mt. St. Helena South 38.657 122.614 25.9( -- ) .002 .002 .23 .1 .004 .002 .001 - - NC NCSN NWS Weeks Lake 38.630 122.401 42.0( -- ) .003 .003 .09 .0 .005 .001 .000 - - NP NSMP 1767 Santa Rosa; Fire Station No. 1 38.441 122.705 44.7( -- ) .001 .001 .08 .0 .003 .001 .000 - - NP NSMP 1835 Santa Rosa Firestation 7 38.442 122.607 47.0( -- ) .004 .004 .09 .0 .004 .001 .000 - - NP NSMP 1829 Sonoma; New Fire Station No. 1 38.290 122.461 67.6( -- ) .002 .002 .05 .0 .004 .001 .000 - - NP NSMP 1765 Napa; Fire Station No. 3 38.330 122.318 70.4( -- ) .001 .001 .05 .0 .002 .000 .000 - -