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

   100.8 km WNW of Green Peter Dam, OR. (ACOE)
   109.8 km  SW of KEEL -  Keeler
   115.1 km  SW of Portland, OR. Clackamas Highway Bridge (ODOT)
   115.1 km  SW of Portland, OR. Terwilliger Interchange (ODOT)
   115.1 km  SW of Portland, OR. Stark St&Water Ave, Morrison Ramp (ODOT)
   115.6 km  SW of Portland, OR. VA Hospital, Steam Plant (USGS)
   116.8 km   W of Detroit Dam, OR. (ACOE)
   117.4 km  SW of CSO  -  Canyon (USGS, OR)
   117.5 km  SW of Portland, OR. State Univ, Bsmt. Cramer Hall (USGS)
   118.6 km  SW of HAO  -  Harrison (USGS, OR)
   121.7 km  NW of Lowell, OR. Lookout Point Dam (ACOE)
   126.3 km  SW of RBO  -  Rocky Butte (USGS, OR)
   128.8 km WNW of Blue River Dam, OR. (ACOE)
   129.1 km  SW of Vancouver, WA. VA Hospital Bldg. #4 (VA)
   131.1 km  SW of ROSS -  Ross
   137.3 km WNW of Cougar Dam, OR. (ACOE)
   155.2 km  NW of Oakridge, OR. Hills Creek Dam (ACOE)
   159.9 km SSW of ALST -  Alston
   199.8 km SSW of Toutle River Dam, WA. (ACOE)
   222.4 km SSW of Mossy Rock Dam, WA., Cowlitz R. (ACOE)