Distance and direction of nearest 20 strong motion seismographs (accelerometers) from earthquake. Such seismographs are of interest to structural engineers (data from ~seis/sites.dat). Earthquake is 68.2 km W of 200 West (H2W) 71.0 km W of 100-K Area (H1K) 76.0 km W of 200 East (H2E) 91.7 km WNW of 400 Area (H4O) 99.9 km WNW of 300 Area (H3O) 100.8 km N of John Day Dam, OR. (ACOE) 121.0 km SE of Howard Hanson Dam, WA. (ACOE) 121.1 km NNE of The Dalles Dam, OR. (ACOE) 121.7 km NW of McNary Dam, OR. (ACOE) 122.2 km ESE of Mud Mountain Dam, WA. (ACOE) 132.9 km WNW of Ice Harbor Dam, WA. Snake R. (ACOE) 133.9 km SE of RAW - Raver 139.2 km ESE of PCMD - Mountain Detachment, Eatonville 141.6 km SE of ELW - Echo Lake 145.6 km ESE of PCEP - Pierce Co. East Sheriff Precinct 146.2 km E of Mossy Rock Dam, WA., Cowlitz R. (ACOE) 148.7 km SE of Tolt River Dam, WA. (SWD) 152.3 km ESE of PCFR - Pierce Co. Training Center, Roy 155.8 km SE of RBEN - Benson Hill Elementary, Renton 156.4 km SE of Bonneville Dam, OR. (ACOE)