Distance and direction of nearest 20 strong motion seismographs from earthquake. Such seismographs are of interest to structural engineers. Earthquake is 8.8 km W of Vancouver, WA. VA Hospital Bldg. #4 (VA) 16.0 km NNW of CSO - SMO Canyon Substation (USGS) 16.6 km NNW of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS) 17.9 km NNW of HAO - SMO Harrison Substation (USGS) 18.8 km NNW of Portland, OR. VA Hospital, Steam Plant (USGS) 20.2 km NW of RBO - SMO Rocky Butte, OR (USGS) 24.3 km NNW of Portland, OR. Clackamas Highway Bridge (ODOT) 24.3 km NNW of Portland, OR. Terwilliger Interchange (ODOT) 24.3 km NNW of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT) 80.3 km SSW of Toutle River Dam, WA. (ACOE) 102.4 km SSW of Mossy Rock Dam, WA., Cowlitz R. (ACOE) 111.4 km NNW of Detroit Dam, OR. (ACOE) 127.6 km W of The Dalles Dam, OR. (ACOE) 133.8 km N of Green Peter Dam, OR. (ACOE) 154.9 km S of Olympia, WA. WA DNR, 1110 Washington St. (USGS) 155.9 km S of Olympia, WA. DOT Hwy. Test Lab 318 State Ave. (USGS) 162.9 km W of John Day Dam, OR. (ACOE) 164.7 km S of Olympia, WA. Halverson Residence, 2220 Dublin Dr NW (USGS) 165.6 km S of Tacoma, WA. VA Hospital Bldg. 81 (VA) 167.2 km S of McChord AFB, WA. Passenger Term. (USGS)