Distance and direction of nearest 20 strong motion seismographs from earthquake. Such seismographs are of interest to structural engineers. Earthquake is 160.4 km NE of Klamath Falls, OR. Klamath R. Overcrossing (ODOT) 176.7 km ESE of Oakridge, OR. Hills Creek Dam (ACOE) 183.7 km SE of Cougar Dam, OR. (ACOE) 192.3 km SE of Blue River Dam, OR. (ACOE) 195.0 km ENE of Lost Creek Dam, OR. (ACOE) 208.5 km ESE of Lowell, OR. Lookout Point Dam (ACOE) 224.1 km SE of Green Peter Dam, OR. (ACOE) 228.1 km SE of Detroit Dam, OR. (ACOE) 251.6 km SSW of Willow Creek Dam, OR.(ACOE) 256.1 km ENE of Applegate Dam, OR. (ACOE) 278.3 km SSE of The Dalles Dam, OR. (ACOE) 284.1 km S of John Day Dam, OR. (ACOE) 310.9 km SE of Portland, OR. Clackamas Highway Bridge (ODOT) 310.9 km SE of Portland, OR. Terwilliger Interchange (ODOT) 310.9 km SE of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT) 315.8 km SE of RBO - SMO Rocky Butte, OR (USGS) 316.7 km SE of Portland, OR. VA Hospital, Steam Plant (USGS) 317.0 km SE of HAO - SMO Harrison Substation (USGS) 318.6 km SE of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS) 318.7 km SSW of McNary Dam, OR. (ACOE)