Distance and direction of nearest 20 strong motion seismographs
from earthquake. Such seismographs are of interest to structural
engineers.

     Earthquake is

    52.0 km  SW of The Dalles Dam, OR. (ACOE)
    75.4 km ESE of RBO - SMO Rocky Butte, OR (USGS)
    78.6 km   E of Portland, OR. Clackamas Highway Bridge (ODOT)
    78.6 km   E of Portland, OR. Terwilliger Interchange (ODOT)
    78.6 km   E of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT)
    81.3 km ESE of HAO - SMO Harrison Substation (USGS)
    81.8 km  NE of Detroit Dam, OR. (ACOE)
    83.0 km ESE of Portland, OR. VA Hospital, Steam Plant (USGS)
    83.4 km ESE of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS)
    84.0 km ESE of CSO - SMO Canyon Substation (USGS)
    86.4 km ESE of Vancouver, WA. VA Hospital Bldg. #4 (VA)
    87.7 km WSW of John Day Dam, OR. (ACOE)
   118.0 km  NE of Green Peter Dam, OR. (ACOE)
   135.0 km SSE of Toutle River Dam, WA. (ACOE)
   138.5 km NNE of Blue River Dam, OR. (ACOE)
   141.0 km NNE of Cougar Dam, OR. (ACOE)
   147.9 km SSE of Mossy Rock Dam, WA., Cowlitz R. (ACOE)
   165.4 km   W of Willow Creek Dam, OR.(ACOE)
   179.0 km NNE of Lowell, OR. Lookout Point Dam (ACOE)
   189.2 km NNE of Oakridge, OR. Hills Creek Dam (ACOE)