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

     7.8 km   W of Vancouver, WA. VA Hospital Bldg. #4 (VA)
     8.5 km WSW of ROSS -  Ross
    14.3 km  NE of KEEL -  Keeler
    14.5 km NNW of CSO  -  Canyon (USGS, OR)
    15.1 km NNW of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS)
    16.4 km NNW of HAO  -  Harrison (USGS, OR)
    17.3 km NNW of Portland, OR. VA Hospital, Steam Plant (USGS)
    18.7 km  NW of RBO  -  Rocky Butte (USGS, OR)
    22.9 km NNW of Portland, OR. Clackamas Highway Bridge (ODOT)
    22.9 km NNW of Portland, OR. Terwilliger Interchange (ODOT)
    22.9 km NNW of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT)
    56.5 km SSE of ALST -  Alston
    81.3 km   S of Toutle River Dam, WA. (ACOE)
   103.2 km SSW of Mossy Rock Dam, WA., Cowlitz R. (ACOE)
   110.0 km NNW of Detroit Dam, OR. (ACOE)
   126.6 km   W of The Dalles Dam, OR. (ACOE)
   132.5 km   N of Green Peter Dam, OR. (ACOE)
   143.6 km SSW of PCMD -  Mountain Detachment, Eatonville
   152.4 km   S of PCFR -  Pierce Co. Training Center, Roy
   156.1 km   S of Olympia, WA. WA DNR, 1110 Washington St. (USGS)